Skip to site navigation

RHS Nursery Finder

Advertise here

Join the RHS

Join the RHS for personal gardening advice and tips plus much more

Join now
Buy as a gift

Larch Cottage Nurseries | plant list

6435 plants listed

Abelia engleriana

Abelia floribunda

Abelia × grandiflora

Abelia × grandiflora [Confetti] = 'Conti' (PBR) (v)

Abelia × grandiflora 'Francis Mason' (v)

Abelia × grandiflora 'Gold Spot' (v)

Abelia × grandiflora 'Hopleys' (PBR) (v)

Abelia × grandiflora 'Kaleidoscope' (PBR) (v)

Abelia × grandiflora 'Prostrate White'

Abelia × grandiflora 'Sunrise' (v)

Abelia mosanensis

Abelia schumannii

Abelia triflora

Abies alba 'Bystricka'

Abies alba 'Green Spiral'

Abies alba 'MĂŒnsterland'

Abies alba 'Pyramidalis'

Abies balsamea 'Jamie'

Abies balsamea 'Piccolo'

Abies balsamea 'Tyler Blue'

Abies cephalonica 'Meyer's Dwarf'

Abies concolor 'Archer's Dwarf'

Abies concolor 'Aurea'

Abies concolor 'Compacta'

Abies concolor (Lowiana Group) 'Creamy'

Abies concolor 'Scooter'

Abies concolor Violacea Group prostrate

Abies concolor 'Wintergold'

Abies fraseri 'Blue Bonnet'

Abies grandis 'Van Dedem's Dwarf'

Abies koreana 'Alpin Star'

Abies koreana 'Blue Magic'

Abies koreana 'Brevifolia'

Abies koreana 'Brilliant'

Abies koreana 'Cis'

Abies koreana 'Dark Hill'

Abies koreana 'Festival'

Abies koreana 'Gait'

Abies koreana 'Golden Glow'

Abies koreana 'Goldener Traum'

Abies koreana 'Kleiner Prinz'

Abies koreana 'Kristallkugel'

Abies koreana 'Ry'

Abies koreana 'Schneestern'

Abies koreana 'Shorty'

Abies koreana 'Silberkugel'

Abies koreana 'Silberlocke'

Abies koreana 'Silberperl'

Abies koreana 'Silberzwerg'

Abies koreana 'Silver Show'

Abies koreana 'Threave'

Abies koreana 'Tundra'

Abies koreana 'Verdener Dom'

Abies lasiocarpa 'Alpine Beauty'

Abies lasiocarpa var. arizonica 'Compacta' Hornibr.

Abies lasiocarpa 'Day Creek'

Abies lasiocarpa 'Green Globe'

Abies lasiocarpa 'Prickly Pete'

Abies lasiocarpa 'Stevens Blue'

Abies nebrodensis 'Sicilian Gold'

Abies nordmanniana 'Barabits' Compact'

Abies nordmanniana subsp. equi-trojani 'Franke'

Abies nordmanniana 'Golden Spreader'

Abies pinsapo 'Fastigiata'

Abies pinsapo 'Glauca'

Abies procera 'Bizarro'

Abies procera Glauca Group

Abies procera 'La Graciosa'

Abies procera 'Obrighofen'

Abies procera 'Prostrata'

Abies procera 'Rat Tail'

Abies veitchii 'Heine'

Abies veitchii var. sikokiana

Acaena buchananii

Acaena inermis 'Purpurea'

Acaena microphylla

Acaena microphylla 'Kupferteppich'

Acanthus dioscoridis var. perringii

Acanthus hungaricus

Acanthus mollis

Acanthus mollis 'Hollard's Gold'

Acanthus 'Morning's Candle'

Acanthus 'Whitewater' (v)

Acer buergerianum

Acer buergerianum 'Himcode'

Acer campestre

Acer campestre 'Carnival' (v)

Acer cappadocicum 'Aureum'

Acer carpinifolium

Acer circinatum

Acer cissifolium

Acer × conspicuum 'Candy Stripe'

Acer × conspicuum 'Elephant's Ear'

Acer × conspicuum 'Mozart'

Acer × conspicuum 'Phoenix'

Acer × conspicuum 'Silver Vein'

Acer crataegifolium 'Veitchii' (v)

Acer davidii 'Ernest Wilson'

Acer davidii 'George Forrest'

Acer davidii 'Rosalie'

Acer davidii 'Serpentine'

Acer forrestii 'Sparkling'

Acer × freemanii [Autumn Blaze] = 'Jeffersred'

Acer × freemanii 'Morgan'

Acer griseum

Acer grosseri var. hersii

Acer henryi

Acer japonicum 'Aconitifolium'

Acer japonicum 'Aki-hi'

Acer japonicum 'Attaryi'

Acer japonicum 'Fairy Lights'

Acer japonicum 'Green Cascade'

Acer japonicum 'Vitifolium'

Acer micranthum

Acer negundo 'Flamingo' (v)

Acer negundo 'Kelly's Gold'

Acer negundo 'Sensation'

Acer negundo 'Winter Lightning'

Acer [Pacific Sunset] = 'Warrenred'

Acer palmatum 'Aka-shigitatsu-sawa'

Acer palmatum 'Akegarasu'

Acer palmatum 'Ao-kanzashi' (v)

Acer palmatum 'Aoyagi'

Acer palmatum 'Arakawa-ukon'

Acer palmatum 'Ariadne' (v)

Acer palmatum 'Asahi-zuru' (v)

Acer palmatum 'Atrolineare'

Acer palmatum 'Atropurpureum'

Acer palmatum 'Atropurpureum Novum'

Acer palmatum 'Aureum'

Acer palmatum 'Azuma-murasaki'

Acer palmatum 'Beni-kagami'

Acer palmatum 'Beni-komachi'

Acer palmatum 'Beni-maiko'

Acer palmatum 'Beni-otake'

Acer palmatum 'Beni-schichi-henge' (v)

Acer palmatum 'Beni-shidare'

Acer palmatum 'Beni-shi-en'

Acer palmatum 'Beni-tsukasa' (v)

Acer palmatum 'Beni-ubi-gohon'

Acer palmatum 'Berry Broom'

Acer palmatum 'Bi Ho'

Acer palmatum 'Bloodgood'

Acer palmatum 'Brandt's Dwarf'

Acer palmatum 'Butterfly' (v)

Acer palmatum 'Chikuma-no'

Acer palmatum 'Chishio Improved'

Acer palmatum 'Chitose-yama'

Acer palmatum 'Chiyo-hime'

Acer palmatum 'Corallinum'

Acer palmatum 'Deshojo'

Acer palmatum 'Diana'

Acer palmatum var. dissectum

Acer palmatum var. dissectum 'Baldsmith'

Acer palmatum var. dissectum 'Crimson Queen'

Acer palmatum var. dissectum 'Dissectum Nigrum'

Acer palmatum var. dissectum 'Ellen'

Acer palmatum var. dissectum 'Emerald Lace'

Acer palmatum var. dissectum 'Filigree' (v)

Acer palmatum var. dissectum 'Firecracker' (PBR)

Acer palmatum var. dissectum 'Garnet'

Acer palmatum var. dissectum 'Inaba-shidare'

Acer palmatum var. dissectum 'Kiri-nishiki'

Acer palmatum var. dissectum 'Lionheart'

Acer palmatum var. dissectum 'Octopus'

Acer palmatum var. dissectum 'Orangeola'

Acer palmatum var. dissectum 'Ornatum'

Acer palmatum var. dissectum 'Pink Ballerina' (v)

Acer palmatum var. dissectum 'Pink Filigree'

Acer palmatum var. dissectum 'Red Dragon'

Acer palmatum var. dissectum 'Seiryu'

Acer palmatum var. dissectum 'Shojo-shidare'

Acer palmatum var. dissectum 'Spring Delight'

Acer palmatum var. dissectum 'Tamukeyama'

Acer palmatum var. dissectum 'Toyama-nishiki' (v)

Acer palmatum 'Eddisbury'

Acer palmatum 'Elegans'

Acer palmatum 'Englishtown'

Acer palmatum 'Enkan'

Acer palmatum 'Fall's Fire'

Acer palmatum 'Fior d'Arancio'

Acer palmatum 'Fireglow'

Acer palmatum 'Goshiki-kotohime' (v)

Acer palmatum 'Goten-nomura'

Acer palmatum 'Green Trompenburg'

Acer palmatum 'Harusame' (v)

Acer palmatum 'Hessei'

Acer palmatum 'Higa-sayama' (v)

Acer palmatum 'Hino-tori-nishiki'

Acer palmatum 'Hondoshi'

Acer palmatum 'Hupp's Red Willow'

Acer palmatum 'Ichigyoji'

Acer palmatum 'Inazuma'

Acer palmatum 'Jerre Schwartz'

Acer palmatum 'Jiro-shidare'

Acer palmatum 'Kagiri-nishiki' (v)

Acer palmatum 'Kamagata'

Acer palmatum 'Karaori-nishiki' (v)

Acer palmatum 'Kasagiyama'

Acer palmatum 'Kashima'

Acer palmatum 'Katsura'

Acer palmatum 'Ki-hachijo'

Acer palmatum 'Kinshii'

Acer palmatum 'Kogane-nishiki'

Acer palmatum 'Koriba'

Acer palmatum 'Kotohime'

Acer palmatum 'Koto-maru'

Acer palmatum 'Koto-no-ito'

Acer palmatum 'Koya-san'

Acer palmatum 'Linearilobum'

Acer palmatum 'Lozita'

Acer palmatum 'Margaret Bee'

Acer palmatum 'Marlo' (PBR)

Acer palmatum 'Masukagami' (v)

Acer palmatum 'Matsuyoi'

Acer palmatum 'Mikawa-yatsubusa'

Acer palmatum 'Mirte'

Acer palmatum 'Mizuho-beni'

Acer palmatum 'Mizu-kuguri'

Acer palmatum 'Momoiro-koya-san'

Acer palmatum 'Mon Papa'

Acer palmatum 'Nakata'

Acer palmatum 'Nicholsonii'

Acer palmatum 'Nishiki-yamato'

Acer palmatum 'Ogi-nagashi' (v)

Acer palmatum 'O-kagami'

Acer palmatum 'Okina'

Acer palmatum 'Okushimo'

Acer palmatum 'Omure yama'

Acer palmatum 'Orange Dream'

Acer palmatum 'Oregon Sunset'

Acer palmatum 'Oridono-nishiki' (v)

Acer palmatum 'Osakazuki'

Acer palmatum 'Peaches and Cream' (v)

Acer palmatum 'Peve Dave'

Acer palmatum 'Peve Multicolor'

Acer palmatum 'Peve Stanley'

Acer palmatum 'Phoenix'

Acer palmatum 'Pink Passion' (v)

Acer palmatum 'Pixie'

Acer palmatum 'Princetown Gold'

Acer palmatum 'Purple Ghost'

Acer palmatum 'Red Emperor'

Acer palmatum 'Red Flame'

Acer palmatum 'Red Pygmy'

Acer palmatum 'Rising Sun'

Acer palmatum 'Ryusen'

Acer palmatum 'Samidare'

Acer palmatum 'Sango-kaku'

Acer palmatum 'Saoshika'

Acer palmatum 'Sazanami'

Acer palmatum 'Seiun-kaku'

Acer palmatum 'Sekimori'

Acer palmatum 'Sekka-yatsubusa'

Acer palmatum 'Semi-no-hane'

Acer palmatum 'Shaina'

Acer palmatum 'Sherwood Flame'

Acer palmatum 'Shichihenge'

Acer palmatum 'Shigi-tatsu-sawa' (v)

Acer palmatum 'Shigurezome'

Acer palmatum 'Shindeshojo'

Acer palmatum 'Shinonome'

Acer palmatum 'Shirazz' (v)

Acer palmatum 'Shishi-gashira'

Acer palmatum 'Shojo'

Acer palmatum 'Shojo-nomura'

Acer palmatum 'Skeeter's Broom'

Acer palmatum 'Sode-nishiki'

Acer palmatum 'Stella Rossa'

Acer palmatum 'Sumi-nagashi'

Acer palmatum 'Summer Gold'

Acer palmatum 'Tama-hime'

Acer palmatum 'Tana'

Acer palmatum 'Taylor' (PBR) (v)

Acer palmatum 'Tennyo-no-hoshi'

Acer palmatum 'Trompenburg'

Acer palmatum 'Tsuchigumo'

Acer palmatum 'Tsuma-gaki'

Acer palmatum 'Ueno-yama'

Acer palmatum 'Uki-gumo' (v)

Acer palmatum 'Villa Taranto'

Acer palmatum 'Wendy'

Acer palmatum 'Wilson's Pink Dwarf'

Acer palmatum 'Yasemin'

Acer palmatum 'Yezo-nishiki' (v)

Acer palmatum 'Yuba-e'

Acer pensylvanicum 'Erythrocladum'

Acer platanoides 'Crimson King'

Acer platanoides 'Drummondii' (v)

Acer platanoides 'Globosum'

Acer platanoides 'Royal Red'

Acer pseudoplatanus 'Brilliantissimum'

Acer pseudoplatanus 'Prinz Handjéry'

Acer pseudoplatanus f. variegatum 'Esk Sunset' (v)

Acer pseudoplatanus f. variegatum 'Simon-Louis FrĂšres' (v)

Acer 'Red Flamingo' (v)

Acer rubrum 'Brandywine'

Acer rubrum 'Embers'

Acer rubrum 'Joseph'

Acer rubrum 'October Glory'

Acer rubrum [Red Sunset] = 'Franksred'

Acer rufinerve

Acer rufinerve 'Winter Gold'

Acer saccharinum

Acer saccharinum f. laciniatum 'Laciniatum Wieri'

Acer shirasawanum 'Aureum'

Acer shirasawanum 'Autumn Moon'

Acer 'Silver Cardinal' (v)

Acer spicatum

Acer sterculiaceum subsp. franchetii

Acer tataricum subsp. ginnala

Acer tataricum subsp. ginnala 'Flame'

Acer tegmentosum

Acer triflorum

Achillea [Anthea] = 'Anblo' (PBR)

Achillea clypeolata Sibth. & Sm.

Achillea 'Credo'

Achillea 'Fanal'

Achillea filipendulina 'Cloth of Gold'

Achillea 'Lachsschönheit' (Galaxy Series)

Achillea 'Marie Ann'

Achillea millefolium 'Cassis'

Achillea millefolium 'Cerise Queen'

Achillea millefolium 'Lilac Beauty'

Achillea millefolium 'Pomegranate' (Tutti Frutti Series)

Achillea millefolium 'Red Velvet'

Achillea millefolium 'Rose Madder'

Achillea millefolium 'Wonderful Wampee'

Achillea 'Moonshine'

Achillea 'Paprika' (Galaxy Series)

Achillea 'Pink Grapefruit' (Tutti Frutti Series)

Achillea 'Pretty Belinda'

Achillea ptarmica 'Ballerina'

Achillea ptarmica (The Pearl Group) 'The Pearl' (clonal) (d)

Achillea salicifolia 'Silver Spray'

Achillea 'Saucy Seduction' (Tutti Frutti Series)

Achillea sibirica subsp. camschatica 'Love Parade'

Achillea Summer Pastels Group

Achillea 'Terracotta'

Achillea 'Walther Funcke'

Aconitum anthora

Aconitum 'Blue Sceptre'

Aconitum 'Bressingham Spire'

Aconitum × cammarum 'Eleanora'

Aconitum × cammarum 'Pink Sensation' (PBR)

Aconitum carmichaelii (Arendsii Group) 'Arendsii'

Aconitum carmichaelii (Arendsii Group) 'Cloudy' (PBR)

Aconitum carmichaelii 'Royal Flush' (PBR)

Aconitum carmichaelii (Wilsonii Group) 'Barker's Variety'

Aconitum carmichaelii (Wilsonii Group) 'SpÀtlese'

Aconitum fischeri Rchb.

Aconitum grossedentatum

Aconitum 'Ivorine'

Aconitum japonicum

Aconitum lycoctonum

Aconitum lycoctonum subsp. neapolitanum

Aconitum napellus 'Rubellum'

Aconitum napellus subsp. vulgare 'Albidum'

Aconitum 'Newry Blue'

Aconitum sachalinense subsp. yezoense

Aconitum 'Spark's Variety'

Aconitum 'Stainless Steel'

Aconitum uchiyamae

Actaea arizonica

Actaea cordifolia

Actaea japonica

Actaea matsumurae 'White Pearl'

Actaea pachypoda

Actaea pachypoda 'Misty Blue'

Actaea racemosa

Actaea rubra

Actaea simplex Atropurpurea Group

Actaea simplex (Atropurpurea Group) 'Black Negligee'

Actaea simplex (Atropurpurea Group) 'Brunette'

Actaea simplex (Atropurpurea Group) 'James Compton'

Actaea simplex 'Pink Spike'

Actaea simplex 'Prichard's Giant'

Actaea spicata

Actinidia arguta (f/F)

Actinidia arguta 'Ambrosia Grande'

Actinidia arguta 'Honigbeere'

Actinidia arguta 'Issai' (s-p/F)

Actinidia arguta 'Purpurna Sadowa' (f/F)

Actinidia deliciosa 'Atlas' (m)

Actinidia deliciosa 'Hayward' (f/F)

Actinidia deliciosa 'Solo' (s-p/F)

Actinidia deliciosa 'Tomuri' (m)

Actinidia kolomikta

Actinidia tetramera var. maloides

Adenophora bulleyana

Adenophora khasiana

Adenophora liliifolia

Adenophora polyantha

Adiantum aleuticum

Adiantum aleuticum 'Imbricatum'

Adiantum aleuticum 'Miss Sharples'

Adina rubella

Adonis vernalis

Aesculus × arnoldiana

Aesculus × bushii

Aesculus × carnea 'Briotii'

Aesculus flava f. vestita

Aesculus glabra var. arguta

Aesculus hippocastanum

Aesculus hippocastanum 'Gimborn's Pride'

Aesculus hippocastanum f. laciniata

Aesculus indica 'Sydney Pearce'

Aesculus × neglecta

Aesculus parviflora

Aesculus pavia var. discolor 'Koehnei'

Agapanthus 'Arctic Star'

Agapanthus 'Blue Moon'

Agapanthus 'Enigma'

Agapanthus 'Glen Avon'

Agapanthus Headbourne hybrids

Agapanthus 'Jack's Blue'

Agapanthus 'Liam's Lilac'

Agapanthus 'Purple Cloud'

Agapanthus 'Regal Beauty'

Agapanthus 'Rosewarne'

Agapanthus 'Sea Foam'

Agapanthus 'Snow Cloud'

Agapanthus 'Sunfield'

Agapanthus 'Tarka'

Agapanthus 'Thumbelina'

Agapanthus 'Timaru'

Agapanthus 'Windsor Grey'

Agastache 'Blackadder'

Agastache 'Blue Fortune'

Agastache foeniculum 'Alabaster'

Agastache mexicana 'Red Fortune' (PBR)

Agastache 'Pink Beauty'

Agastache 'Raspberry Summer' (PBR)

Agastache rugosa f. albiflora 'Liquorice White'

Agastache rugosa 'Golden Jubilee'

Agastache 'Summer Love' (PBR)

Ageratina altissima 'Braunlaub'

Ageratina altissima 'Chocolate'

Agrimonia eupatoria var. alba

Ajuga incisa 'Blue Enigma'

Ajuga pyramidalis 'Metallica Crispa'

Ajuga reptans [Black Scallop] = 'Binblasca' (PBR)

Ajuga reptans 'Braunherz'

Ajuga reptans 'Dixie Chip'

Ajuga reptans 'Purple Torch'

Ajuga reptans 'Valfredda'

Akebia × pentaphylla

Akebia quinata

Akebia quinata 'Alba'

Akebia quinata 'Amethyst Glow'

Akebia quinata 'White Chocolate'

Alangium platanifolium var. platanifolium

× Alcalthaea suffrutescens 'Parkallee' (d)

Alchemilla epipsila

Alchemilla erythropoda

Alchemilla mollis

Alchemilla plicatula

Alchemilla saxatilis

Alchemilla xanthochlora

Allium 'Beau Regard'

Allium caeruleum

Allium cristophii

Allium giganteum

Allium 'Globemaster'

Allium hollandicum 'Purple Sensation'

Allium karataviense

Allium karataviense 'Ivory Queen'

Allium 'Lucy Ball'

Allium 'Mont Blanc'

Allium senescens subsp. glaucum

Allium sphaerocephalon

Alnus cordata

Alnus glutinosa 'Imperialis'

Alnus glutinosa 'Laciniata'

Alnus incana

Alnus incana 'Aurea'

Alnus incana 'Laciniata'

Alstroemeria aurea 'Lutea'

Alstroemeria aurea 'Orange King'

Alstroemeria brasiliensis 'Cally Star' (v)

Alstroemeria 'Dandy Candy'

Alstroemeria 'Davina' (PBR)

Alstroemeria 'Freedom'

Alstroemeria 'Glory of the Andes' (v)

Alstroemeria [Inca Devotion] = 'Konevotio' (PBR)

Alstroemeria [Inca Glow] = 'Koglow'

Alstroemeria [Inca Ice] = 'Koice' (Inca Series)

Alstroemeria [Inca Pulse] = 'Konpulse' (PBR)

Alstroemeria ligtu hybrids

Alstroemeria 'Mathilde' (Midi Series)

Alstroemeria 'Mauve Majesty'

Alstroemeria 'Pink Perfection'

Alstroemeria [Princess Angela] = 'Staprilan'

Alstroemeria [Princess Anouska] = 'Zaprinous' (PBR)

Alstroemeria [Princess Ella] = 'Staprirange'

Alstroemeria [Princess Fabiana] = 'Zaprifabi' (PBR)

Alstroemeria [Princess Isabella] = 'Zapribel' (PBR)

Alstroemeria [Princess Ivana] = 'Staprivane' (PBR)

Alstroemeria [Princess Julieta] = 'Zaprijul' (PBR)

Alstroemeria [Princess Margaret]

Alstroemeria [Princess Mary] = 'Zaprimary' (PBR)

Alstroemeria [Princess Oxana] = 'Staprioxa' (PBR)

Alstroemeria [Princess Stephanie] = 'Stapirag'

Alstroemeria [Princess Susana] = 'Staprisusa'

Alstroemeria [Princess Theresa] = 'Zapriteres' (PBR)

Alstroemeria [Princess Zavina] = 'Staprivina' (PBR)

Alstroemeria 'Sweet Laura' (PBR)

Alstroemeria 'Tara' (PBR)

Alstroemeria 'Yellow Friendship'

Althaea armeniaca

Althaea officinalis

Althaea officinalis alba

Amelanchier alnifolia 'Forestburg'

Amelanchier alnifolia 'Obelisk' (PBR)

Amelanchier alnifolia pink-fruited

Amelanchier alnifolia var. semi-integrifolia

Amelanchier arborea [Tradition]

Amelanchier 'Autumn Glory'

Amelanchier bartramiana 'Eskimo'

Amelanchier canadensis ambig.

Amelanchier canadensis 'Glenn Form'

Amelanchier × grandiflora 'Ballerina'

Amelanchier × grandiflora 'Forest Prince'

Amelanchier × grandiflora 'Princess Diana'

Amelanchier × grandiflora 'Robin Hill'

Amelanchier × grandiflora 'Rubescens'

Amelanchier laevis

Amelanchier laevis 'Cumulus'

Amelanchier laevis 'Prince Charles'

Amelanchier laevis 'R.J. Hilton'

Amelanchier laevis 'Snowflakes'

Amelanchier lamarckii

Amelanchier ovalis 'Edelweiss'

Amelanchier sanguinea 'Chimney Rock'

Amelanchier sinica

Amorpha fruticosa

Amorpha herbacea

Amorpha paniculata

Ampelopsis aconitifolia

Ampelopsis aconitifolia 'Chinese Lace'

Ampelopsis megalophylla

Amsonia ciliata

Amsonia illustris

Amsonia orientalis

Amsonia tabernaemontana

Anaphalis margaritacea 'Neuschnee'

Anaphalis triplinervis

Anaphalis triplinervis 'Sommerschnee'

Anchusa azurea

Anchusa azurea 'Dropmore'

Anchusa azurea 'Loddon Royalist'

Andromeda polifolia 'Blue Ice'

Andromeda polifolia 'Blue Lagoon'

Andromeda polifolia 'Compacta'

Anemone altaica

Anemone barbulata

Anemone blanda

Anemone blanda 'White Splendour'

Anemone canadensis

Anemone crinita

Anemone cylindrica

Anemone hupehensis var. japonica 'Prinz Heinrich'

Anemone hupehensis var. japonica 'RotkÀppchen'

Anemone hupehensis var. japonica 'Splendens'

Anemone × hybrida 'Andrea Atkinson'

Anemone × hybrida 'Honorine Jobert'

Anemone × hybrida 'Königin Charlotte'

Anemone × hybrida 'Loreley'

Anemone × hybrida 'Montrose'

Anemone × hybrida 'Richard Ahrens'

Anemone × hybrida 'Robustissima'

Anemone × hybrida 'September Charm'

Anemone × hybrida 'Serenade'

Anemone × hybrida 'Whirlwind'

Anemone leveillei

Anemone × lipsiensis

Anemone × lipsiensis 'Pallida'

Anemone multifida 'Rubra'

Anemone nemorosa

Anemone nemorosa 'Alba Plena' (d)

Anemone nemorosa 'Atrocaerulea'

Anemone nemorosa 'FrĂŒhlingsfee'

Anemone nemorosa 'Robinsoniana'

Anemone nemorosa 'Rosea'

Anemone nemorosa 'Royal Blue'

Anemone nemorosa 'Vestal' (d)

Anemone ranunculoides

Anemone ranunculoides 'Pleniflora' (d)

Anemone rivularis

Anemone rivularis 'Glacier'

Anemone sylvestris

Anemone trifolia L.

Anemone virginiana var. alba

Anemonella thalictroides

Anemonella thalictroides 'Green Hurricane' (d)

Anemonella thalictroides f. rosea

Anemonella thalictroides f. rosea semi-double pink-flowered (d)

Anemonopsis macrophylla

Anemopsis californica

Angelica gigas

Angelica pachycarpa

Angelica sylvestris 'Ebony'

Angelica sylvestris 'Vicar's Mead'

Angelica taiwaniana

Anthemis cretica subsp. pontica

Anthemis punctata subsp. cupaniana

Anthemis tinctoria 'Alba'

Anthemis tinctoria 'Charme' (PBR)

Anthemis tinctoria 'E.C. Buxton'

Anthemis tinctoria 'Kelwayi'

Anthemis tinctoria 'Sauce Hollandaise'

Anthemis 'Tinpenny Sparkle'

Anthericum liliago

Anthericum ramosum

Aquilegia buergeriana 'Calimero'

Aquilegia canadensis 'Corbett'

Aquilegia canadensis 'Little Lanterns'

Aquilegia 'Milk and Honey'

Aquilegia vulgaris var. stellata 'Black Barlow' (Barlow Series) (d)

Aquilegia vulgaris var. stellata 'Christa Barlow' (Barlow Series) (d)

Aquilegia vulgaris var. stellata 'Nora Barlow' (Barlow Series) (d)

Aquilegia vulgaris var. stellata 'Ruby Port' (d)

Aquilegia vulgaris 'William Guiness'

Aralia cachemirica

Aralia californica

Aralia continentalis

Aralia cordata var. sachalinensis

Aralia cordata 'Sun King'

Aralia elata 'Aureovariegata' (v)

Aralia elata 'Golden Umbrella' (v)

Aralia elata 'Variegata' (v)

Aralia racemosa

Araucaria araucana

Arbutus unedo

Arbutus unedo 'Compacta'

Arbutus unedo 'Elfin King'

Arbutus unedo 'Quercifolia'

Arctanthemum arcticum

Arctostaphylos uva-ursi

Arctostaphylos uva-ursi 'Massachusetts'

Arenaria alfacariensis

Arenaria kansuensis

Arenaria ledebouriana

Arenaria purpurascens

Argyrocytisus battandieri

Arisaema candidissimum

Arisaema ciliatum

Arisaema consanguineum

Arisaema griffithii

Arisaema jacquemontii

Arisaema kiushianum

Arisaema nepenthoides

Arisaema propinquum

Arisaema sikokianum

Arisaema speciosum var. magnificum

Arisaema tortuosum

Arisaema triphyllum

Armeria juniperifolia 'Bevan's Variety'

Armeria maritima 'Pink Lusitanica'

Armeria maritima 'Rubrifolia'

Arnica chamissonis Less.

Aronia arbutifolia 'Erecta'

Aronia melanocarpa 'Autumn Magic'

Aronia melanocarpa 'Hugin'

Aronia × prunifolia 'Brilliant'

Aronia × prunifolia 'KarhumĂ€ki' (F)

Aronia × prunifolia 'Nero' (F)

Aronia × prunifolia 'Serina' (F)

Aronia × prunifolia 'Viking' (F)

Artemisia abrotanum

Artemisia absinthium

Artemisia arborescens 'Faith Raven'

Artemisia lactiflora Guizhou Group

Artemisia ludoviciana

Artemisia ludoviciana 'Silver Queen'

Artemisia ludoviciana 'Valerie Finnis'

Artemisia pontica

Artemisia 'Powis Castle'

Artemisia schmidtiana 'Nana'

Artemisia schmidtiana 'Nana Attraction'

Artemisia stelleriana

Artemisia stelleriana

Artemisia stelleriana 'Boughton Silver'

Artemisia vulgaris [Oriental Limelight] = 'Janlim' (v)

Arum italicum

Arum italicum subsp. italicum 'Marmoratum'

Arum maculatum

Aruncus aethusifolius

Aruncus dioicus

Aruncus dioicus var. kamtschaticus

Aruncus dioicus 'Zweiweltenkind'

Aruncus 'Guinea Fowl'

Aruncus 'Horatio'

Aruncus 'Misty Lace'

Aruncus 'Noble Spirit'

Asarum canadense

Asarum caudatum

Asarum delavayi

Asarum europaeum

Asarum splendens

Asclepias incarnata 'Ice Ballet'

Asimina triloba (F)

Asperula taurina subsp. caucasica

Asplenium scolopendrium

Asplenium scolopendrium 'Angustatum'

Asplenium scolopendrium Cristatum Group

Asplenium scolopendrium 'Furcatum'

Asplenium scolopendrium Undulatum Group

Asplenium trichomanes

Aster alpinus var. albus

Aster alpinus 'Goliath'

Aster alpinus 'Happy End'

Aster alpinus 'Pinkie'

Aster amellus 'King George'

Aster 'Coombe Fishacre'

Aster cordifolius 'Ideal'

Aster diplostephioides

Aster divaricatus

Aster dumosus 'Biteliness'

Aster ericoides 'Blue Star'

Aster ericoides 'Erlkönig'

Aster ericoides 'Golden Spray'

Aster ericoides f. prostratus 'Snow Flurry'

Aster ericoides 'Rosy Veil'

Aster ericoides 'White Heather'

Aster × frikartii 'Flora's Delight'

Aster × frikartii 'Jungfrau'

Aster × frikartii 'Mönch'

Aster × frikartii 'Wunder von StĂ€fa'

Aster 'Glow in the Dark'

Aster × herveyi

Aster laevis

Aster laevis 'Calliope'

Aster laevis 'Cally Compact'

Aster lateriflorus 'Buck's Fizz'

Aster lateriflorus 'Lady in Black'

Aster linosyris

Aster 'Little Carlow' (cordifolius hybrid)

Aster macrophyllus

Aster novae-angliae 'Andenken an Alma Pötschke'

Aster novae-angliae 'Barr's Blue'

Aster novae-angliae 'Barr's Pink'

Aster novae-angliae 'Herbstschnee'

Aster novae-angliae 'Lachsglut'

Aster novae-angliae 'Marina Wolkonsky'

Aster novae-angliae 'Miss K.E. Mash'

Aster novae-angliae 'Purple Dome'

Aster novae-angliae 'Rosa Sieger'

Aster novae-angliae 'Vibrant Dome' (PBR)

Aster novi-belgii 'Alice Haslam'

Aster novi-belgii 'Anneke'

Aster novi-belgii 'Apollo'

Aster novi-belgii 'Bahamas' (Island Series)

Aster novi-belgii 'Barbados' (Island Series)

Aster novi-belgii 'Brigitte'

Aster novi-belgii 'Chatterbox'

Aster novi-belgii 'Coombe Rosemary'

Aster novi-belgii 'Crimson Brocade'

Aster novi-belgii 'Herbstgruss vom Bresserhof'

Aster novi-belgii 'Marie Ballard'

Aster novi-belgii 'Patricia Ballard'

Aster novi-belgii 'Peter Pan'

Aster novi-belgii 'Porzellan'

Aster novi-belgii 'Professor Anton Kippenberg'

Aster novi-belgii 'Rosenquartz'

Aster novi-belgii 'Rosenwichtel'

Aster novi-belgii 'Royal Ruby'

Aster novi-belgii 'Samoa' (Island Series)

Aster novi-belgii 'Sarah Ballard'

Aster novi-belgii 'Snowsprite'

Aster novi-belgii 'Starlight'

Aster novi-belgii 'White Ladies'

Aster 'Ochtendgloren' (pringlei hybrid)

Aster oolentangiensis

Aster puniceus

Aster pyrenaeus 'Lutetia'

Aster radula

Aster sedifolius 'Nanus'

Aster sibiricus

Aster [Tonga] = 'Dasfour'

Aster turbinellus Lindl.

Aster umbellatus

Astilbe 'Anita Pfeifer' (× arendsii)

Astilbe 'Bonn' (japonica hybrid)

Astilbe 'Brautschleier' (× arendsii)

Astilbe 'Bronce Elegans' (simplicifolia hybrid)

Astilbe 'Burgunderrot' (× arendsii)

Astilbe 'Cattleya' (× arendsii)

Astilbe chinensis 'Intermezzo'

Astilbe chinensis var. pumila

Astilbe chinensis var. taquetii 'Purpurlanze'

Astilbe chinensis 'Veronika Klose'

Astilbe chinensis 'Vision in Red' (PBR)

Astilbe × crispa 'Lilliput'

Astilbe × crispa 'Perkeo'

Astilbe 'Darwin's Dream'

Astilbe 'Deutschland' (japonica hybrid)

Astilbe 'Drum and Bass' (PBR)

Astilbe 'Ellie' (× arendsii)

Astilbe 'Erica' (× arendsii)

Astilbe 'Etna' (japonica hybrid)

Astilbe 'Europa' (japonica hybrid)

Astilbe 'Fanal' (× arendsii)

Astilbe 'Feuer' (× arendsii)

Astilbe 'Fireberry' (PBR) (Short 'n' Sweet Series)

Astilbe 'Granat' (× arendsii)

Astilbe grandis

Astilbe 'Hennie Graafland' (simplicifolia hybrid)

Astilbe 'Inshriach Pink' (simplicifolia hybrid)

Astilbe 'Jo Ophorst' (davidii hybrid)

Astilbe 'Moerheim Glory' (× arendsii)

Astilbe 'Montgomery' (japonica hybrid)

Astilbe 'Nikki'

Astilbe 'Peaches and Cream'

Astilbe 'Pink Lightning' (PBR) (simplicifolia hybrid)

Astilbe 'Professor van der Wielen' (thunbergii hybrid)

Astilbe 'Radius'

Astilbe 'Red Sentinel' (japonica hybrid)

Astilbe 'Rheinland' (japonica hybrid)

Astilbe 'Rhythm and Blues' (PBR)

Astilbe 'Rotlicht' (× arendsii)

Astilbe simplicifolia 'Darwin's Snow Sprite'

Astilbe simplicifolia 'White Sensation' (PBR)

Astilbe 'Sprite' (simplicifolia hybrid)

Astilbe 'Straussenfeder' (thunbergii hybrid)

Astilbe 'Sugarberry' (PBR) (Short 'n' Sweet Series)

Astilbe 'Vesuvius' (japonica hybrid)

Astilbe 'White Wings' (PBR) (simplicifolia hybrid)

Astilboides tabularis

Astrantia 'Bloody Mary'

Astrantia 'Buckland'

Astrantia 'Dark Shiny Eyes'

Astrantia 'Hadspen Blood'

Astrantia 'Helen'

Astrantia 'Larch Cottage Clear Pink'

Astrantia major 'Abbey Road' (PBR)

Astrantia major 'Bo-Ann'

Astrantia major 'Claret'

Astrantia major 'Florence' (PBR)

Astrantia major subsp. involucrata 'Barrister'

Astrantia major subsp. involucrata 'Canneman'

Astrantia major subsp. involucrata 'Shaggy'

Astrantia major 'Lars'

Astrantia major 'Lola'

Astrantia major 'Primadonna'

Astrantia major 'Star of Beauty' (PBR)

Astrantia major 'Sunningdale Variegated' (v)

Astrantia major 'Venice' (PBR)

Astrantia 'Moulin Rouge' (PBR)

Astrantia 'Rainbow'

Astrantia 'Roma' (PBR)

Astrantia 'Ruby Star' (PBR)

Astrantia 'Snow Star' (PBR)

Astrantia 'Star of Heaven'

Astrantia 'Star of Passion'

Astrantia 'Star of Treasure'

Astrantia 'Superstar' (PBR)

Astrantia 'Warren Hills'

Athyrium 'Branford Beauty'

Athyrium filix-femina subsp. angustum f. rubellum 'Lady in Red'

Athyrium filix-femina 'Frizelliae'

Athyrium filix-femina 'Plumosum Axminster'

Athyrium filix-femina 'Vernoniae'

Athyrium filix-femina 'Victoriae'

Athyrium 'Ghost'

Athyrium niponicum var. pictum

Athyrium niponicum var. pictum 'Apple Court'

Athyrium niponicum var. pictum 'Burgundy Lace'

Athyrium niponicum var. pictum 'Pewter Lace'

Athyrium niponicum var. pictum 'Red Beauty'

Athyrium niponicum var. pictum 'Ursula's Red'

Athyrium otophorum var. okanum

Athyrium vidalii

Atriplex canescens

Atriplex halimus

Aubrieta 'Blue Beauty'

Aubrieta 'Doctor Mules Variegata' (v)

Aubrieta 'Gloria'

Aubrieta 'Kitte'

Aubrieta 'Royal Blue' (Royal Series)

Aubrieta 'Swan Red' (v)

Aucuba japonica 'Golden King' (m/v)

Aucuba japonica 'Golden Spangles' (f/v)

Aucuba japonica f. longifolia

Aucuba japonica f. longifolia 'Salicifolia' (f)

Aucuba japonica 'Picturata' (m/v)

Aucuba japonica 'Rozannie' (f/m)

Aucuba japonica 'Sulphurea Marginata' (f/v)

Azara microphylla 'Variegata' (v)

Azara serrata

Baptisia australis

Begonia 'Benitochiba' (R)

Berberidopsis corallina

Berberis candidula C.K. Schneid.

Berberis darwinii

Berberis darwinii 'Compacta'

Berberis dictyophylla

Berberis × frikartii 'Amstelveen'

Berberis × frikartii 'Telstar'

Berberis koreana

Berberis × lologensis 'Apricot Queen'

Berberis × lologensis 'Mystery Fire'

Berberis × media 'Dual Jewel'

Berberis mitifolia

Berberis ottawensis f. purpurea 'Silver Miles' (v)

Berberis × ottawensis f. purpurea 'Superba'

Berberis 'Red Tears'

Berberis × stenophylla 'Claret Cascade'

Berberis × stenophylla 'Crawley Gem'

Berberis temolaica

Berberis thunbergii

Berberis thunbergii f. atropurpurea

Berberis thunbergii f. atropurpurea 'Admiration' (PBR)

Berberis thunbergii f. atropurpurea 'Atropurpurea Nana'

Berberis thunbergii f. atropurpurea 'Bagatelle'

Berberis thunbergii f. atropurpurea 'Dart's Red Lady'

Berberis thunbergii f. atropurpurea 'Harlequin' (v)

Berberis thunbergii f. atropurpurea 'Helmond Pillar'

Berberis thunbergii f. atropurpurea 'Pink Queen' (v)

Berberis thunbergii f. atropurpurea 'Red Rocket'

Berberis thunbergii f. atropurpurea 'Rose Glow' (v)

Berberis thunbergii 'Aurea'

Berberis thunbergii [Bonanza Gold] = 'Bogozam' (PBR)

Berberis thunbergii 'Green Carpet'

Berberis thunbergii 'Kelleriis' (v)

Berberis thunbergii 'Kobold'

Berberis thunbergii 'Maria' (PBR)

Berberis thunbergii 'Pink Attraction' (v)

Berberis thunbergii 'Pow-wow'

Berberis thunbergii 'Tiny Gold' (PBR)

Berberis trigona 'Orange King'

Berberis verruculosa

Berberis verruculosa 'Hard's Rob'

Berberis wilsoniae

Berchemia racemosa

Bergenia 'Abendglut'

Bergenia 'Baby Doll'

Bergenia 'Bach'

Bergenia 'BartĂłk'

Bergenia 'Bressingham Salmon'

Bergenia 'Bressingham White'

Bergenia ciliata

Bergenia 'Claire Maxine'

Bergenia cordifolia

Bergenia cordifolia 'Lunar Glow'

Bergenia cordifolia 'Tubby Andrews' (v)

Bergenia cordifolia 'Vinterglöd'

Bergenia 'Eden's Dark Margin'

Bergenia 'Eden's Magic Giant'

Bergenia 'Eroica'

Bergenia 'Morgenröte'

Bergenia 'Overture'

Bergenia 'Pink Dragonfly'

Bergenia purpurascens var. delavayi

Bergenia × schmidtii

Bergenia 'Silberlicht'

Bergenia stracheyi

Betula albosinensis 'Fascination'

Betula albosinensis 'Red Panda'

Betula albosinensis var. septentrionalis 'Kansu'

Betula alleghaniensis

Betula ermanii

Betula ermanii 'Holland'

Betula ermanii 'Polar Bear'

Betula 'Fetisowii'

Betula luminifera

Betula maximowicziana

Betula medwediewii

Betula michauxii

Betula nana 'Glengarry'

Betula nigra

Betula nigra [Dura-Heat] = 'Bnmtf'

Betula pendula

Betula pendula 'Golden Beauty'

Betula pendula 'Purpurea'

Betula pendula 'Tristis'

Betula pendula 'Youngii'

Betula pendula 'Zwitsers Glorie'

Betula pendulata 'Spider Alley' (PBR)

Betula platyphylla Sukaczev [Dakota Pinnacle] = 'Fargo'

Betula 'Royal Frost'

Betula utilis var. jacquemontii

Betula utilis var. jacquemontii 'Doorenbos'

Betula utilis var. jacquemontii 'Grayswood Ghost'

Betula utilis var. jacquemontii 'Silver Shadow'

Billardiera longiflora

Billardiera longiflora 'Cherry Berry'

Billardiera longiflora 'Fructu-albo'

Blepharocalyx cruckshanksii

Boltonia asteroides var. latisquama

Borinda scabrida 'Asian Wonder'

Boykinia aconitifolia

Boykinia lycoctonifolia

Brachyelytrum japonicum

Briza media

Briza media 'Golden Bee'

Bromus inermis 'Skinner's Gold' (v)

Broussonetia papyrifera 'Billardii'

Brunnera macrophylla 'Betty Bowring'

Brunnera macrophylla 'Dawson's White' (v)

Brunnera macrophylla 'Diane's Gold' (PBR)

Brunnera macrophylla 'Emerald Mist' (PBR) (v)

Brunnera macrophylla 'Green Gold' (v)

Brunnera macrophylla 'Hadspen Cream' (v)

Brunnera macrophylla 'Jack Frost' (PBR)

Brunnera macrophylla 'King's Ransom' (PBR) (v)

Brunnera macrophylla 'Looking Glass' (PBR)

Brunnera macrophylla 'Marley's White'

Brunnera macrophylla 'Mister Morse' (PBR) (v)

Brunnera macrophylla 'Silver Wings'

Brunnera macrophylla 'Spring Yellow'

Buddleja alternifolia

Buddleja alternifolia 'Argentea'

Buddleja colvilei 'Kewensis'

Buddleja davidii 'Black Knight'

Buddleja davidii 'Blue Horizon'

Buddleja davidii 'Dartmoor'

Buddleja davidii 'Florence'

Buddleja davidii 'Glasnevin Hybrid'

Buddleja davidii 'Gulliver' (PBR)

Buddleja davidii 'Harlequin' (v)

Buddleja davidii 'Île de France'

Buddleja davidii [Nanho Blue] = 'Mongo'

Buddleja davidii [Nanho Purple] = 'Monum'

Buddleja davidii 'Peace'

Buddleja davidii 'Pixie Blue'

Buddleja davidii 'Pixie Red'

Buddleja davidii 'Pixie White'

Buddleja davidii 'Royal Red'

Buddleja davidii 'Santana' (v)

Buddleja davidii 'White Ball'

Buddleja davidii 'White Profusion'

Buddleja fallowiana var. alba

Buddleja lindleyana

Buddleja 'Lochinch'

Buddleja madagascariensis

Buddleja 'Morning Mist' (PBR)

Buddleja 'Pink Delight'

Buddleja salviifolia

Buddleja × weyeriana 'Bicolor'

Buddleja × weyeriana 'Golden Glow'

Buddleja × weyeriana 'Honeycomb'

Buddleja × weyeriana 'Sungold'

Buddleja yunnanensis

Buphthalmum salicifolium 'Alpengold'

Butomus umbellatus 'Schneeweisschen'

Buxus microphylla [Golden Dream] = 'Peergold' (PBR)

Buxus microphylla var. japonica 'National'

Buxus microphylla var. japonica 'Winter Gem'

Buxus sempervirens

Buxus sempervirens 'Aureovariegata' (v)

Buxus sempervirens clipped ball

Buxus sempervirens clipped pyramid

Buxus sempervirens 'Elegantissima' (v)

Buxus sempervirens 'Handsworthensis'

Buxus sempervirens 'Newport Blue'

Buxus sempervirens 'Suffruticosa'

Calamintha menthifolia

Callicarpa americana

Callicarpa bodinieri var. giraldii

Callicarpa bodinieri var. giraldii 'Profusion'

Callicarpa cathayana

Callicarpa dichotoma

Callicarpa dichotoma 'Issai'

Callicarpa japonica

Callicarpa japonica 'Heavy Berry'

Callicarpa japonica 'Koshima-no-homate'

Callicarpa japonica 'Leucocarpa'

Callicarpa kwangtungensis

Callicarpa shikokiana

Callicarpa × shirasawana

Callicarpa Van den Broek selection

Callicarpa yunnanensis

Callistemon rigidus

Callistemon salignus

Callistemon sieberi DC.

Callistemon speciosus

Callistemon subulatus 'Crimson Tail'

Callistemon viminalis 'Captain Cook'

Calocedrus decurrens 'Berrima Gold'

Calocedrus decurrens 'Maupin Glow' (v)

Calocedrus decurrens 'Pillar'

Caltha leptosepala

Caltha palustris

Caltha palustris var. alba

Caltha palustris 'Flore Pleno' (d)

Calycanthus floridus

Calycanthus floridus 'Athens'

Calycanthus floridus var. glaucus 'Purpureus'

Calycanthus floridus 'Michael Lindsay'

Calycanthus mohrii

Camassia cusickii

Camassia leichtlinii subsp. leichtlinii

Camassia leichtlinii subsp. suksdorfii Caerulea Group

Camellia 'Cornish Snow' (cuspidata × saluenensis)

Camellia 'Inspiration' (reticulata × saluenensis)

Camellia japonica 'Adolphe Audusson'

Camellia japonica 'Bob's Tinsie'

Camellia japonica 'Bonomiana'

Camellia japonica 'Brushfield's Yellow'

Camellia japonica 'Desire'

Camellia japonica 'Grand Prix'

Camellia japonica 'Hakugan'

Camellia japonica 'Joseph Pfingstl'

Camellia japonica 'Mathotiana Rosea'

Camellia japonica 'Nobilissima'

Camellia japonica 'Rosa Baroveira Nella'

Camellia japonica 'Silver Anniversary'

Camellia 'Leonard Messel' (reticulata × (× williamsii))

Camellia oleifera

Camellia reticulata 'Mary Williams'

Camellia sinensis

Camellia × williamsii 'Anticipation'

Camellia × williamsii 'Debbie'

Camellia × williamsii 'Donation'

Camellia × williamsii 'E.G. Waterhouse'

Camellia × williamsii 'E.T.R. Carlyon'

Camellia × williamsii 'Elegant Beauty'

Camellia × williamsii 'Elsie Jury'

Camellia × williamsii 'Glenn's Orbit'

Camellia × williamsii 'Jury's Yellow'

Camellia × williamsii 'Les Jury'

Camellia × williamsii 'Mary Phoebe Taylor'

Camellia × williamsii 'Ruby Wedding' (d)

Camellia × williamsii 'Senorita'

Camellia × williamsii 'Water Lily'

Campanula 'Burghaltii'

Campanula garganica 'Blue Diamond'

Campanula garganica 'Dickson's Gold'

Campanula garganica 'Mrs Resholt'

Campanula garganica 'W.H. Paine'

Campanula glomerata var. acaulis hort.

Campanula glomerata 'Caroline'

Campanula glomerata var. dahurica

Campanula glomerata 'Emerald'

Campanula 'Kent Belle'

Campanula lactiflora 'Avalanche'

Campanula lactiflora 'Loddon Anna'

Campanula lactiflora 'Pouffe'

Campanula lactiflora 'Prichard's Variety'

Campanula lactiflora 'White Pouffe'

Campanula latifolia 'Brantwood'

Campanula latifolia var. macrantha 'Alba'

Campanula latiloba 'Alba'

Campanula latiloba 'Hidcote Amethyst'

Campanula latiloba 'Highcliffe Variety'

Campanula latiloba 'Percy Piper'

Campanula makaschvilii

Campanula odontosepala from Iran

Campanula patula

Campanula patula subsp. abietina

Campanula persicifolia 'Azure Beauty'

Campanula persicifolia 'Beau Belle'

Campanula persicifolia 'Blue-eyed Blonde' (PBR) (v)

Campanula persicifolia 'Chettle Charm' (PBR)

Campanula persicifolia 'Cornish Mist'

Campanula persicifolia 'Coronata' (d)

Campanula persicifolia 'Grandiflora Alba'

Campanula persicifolia 'Hampstead White' (d)

Campanula persicifolia 'Kelly's Gold'

Campanula persicifolia 'La Belle' (d)

Campanula persicifolia 'La Bonne Amie' (d)

Campanula persicifolia 'Pride of Exmouth' (d)

Campanula persicifolia L. 'Telham Beauty' D. Thurston

Campanula 'Pink Octopus' (PBR)

Campanula poscharskyana

Campanula poscharskyana 'Lisduggan Variety'

Campanula × pulloides hort. 'G.F. Wilson'

Campanula × pulloides 'Jelly Bells' (PBR)

Campanula punctata 'Alina's Double' (d)

Campanula punctata 'Pantaloons' (d)

Campanula punctata 'Pink Chimes'

Campanula punctata f. rubriflora 'Beetroot'

Campanula punctata f. rubriflora 'Bowl of Cherries'

Campanula punctata f. rubriflora 'Vienna Festival'

Campanula punctata 'Wedding Bells'

Campanula 'Purple Sensation' (PBR)

Campanula 'Royal Wave'

Campanula 'Sarastro'

Campanula sarmatica 'Hemelstraling'

Campanula 'Summertime Blues' (PBR)

Campanula takesimana 'Elizabeth'

Campanula trachelium f. alba

Campanula trachelium 'Bernice' (d)

Campsis radicans 'Flamenco'

Campsis radicans f. flava

Campsis radicans 'Indian Summer'

Campsis × tagliabuana 'Madame Galen'

Caragana arborescens

Caragana arborescens 'Lorbergii'

Caragana arborescens 'Pendula'

Caragana arborescens 'Walker'

Caragana aurantiaca

Caragana pygmaea

Cardamine heptaphylla from the Pyrenees

Cardamine kitaibelii

Cardamine pratensis 'Flore Pleno' (d)

Cardamine quinquefolia

Cardiocrinum giganteum

Carex comans 'Frosted Curls'

Carex comans red-leaved

Carex conica 'Snowline' (v)

Carex elata 'Aurea'

Carex elata 'Knightshayes'

Carex grayi

Carex morrowii 'Fisher's Form' (v)

Carex muskingumensis 'Silberstreif' (v)

Carex oshimensis 'Evergold' (v)

Carex pendula

Carex siderosticha 'Variegata' (v)

Carex testacea

Carpinus betulus

Carpinus betulus 'Frans Fontaine'

Carpinus betulus 'Purpurea'

Carpinus japonica

Carpinus turczaninowii

Carya tomentosa

Caryopteris × clandonensis 'Ferndown'

Caryopteris × clandonensis [Grand Bleu] = 'Inoveris' (PBR)

Caryopteris × clandonensis 'Kew Blue'

Caryopteris × clandonensis 'Summer Sorbet' (PBR) (v)

Caryopteris × clandonensis 'Worcester Gold'

Caryopteris incana 'Blue Cascade'

Caryopteris incana 'Jason' (PBR)

Cassiope lycopodioides 'Beatrice Lilley'

Cassiope mertensiana var. californica

Cassiope mertensiana var. gracilis

Cassiope 'Muirhead'

Catalpa bignonioides 'Aurea'

Catalpa × erubescens 'Purpurea'

Catalpa ovata 'Slender Silhouette'

Catalpa speciosa 'Frederik'

Ceanothus 'Autumnal Blue'

Ceanothus 'Blue Diamond' (PBR)

Ceanothus 'Blue Jeans'

Ceanothus 'Blue Mound'

Ceanothus 'Blue Sapphire' (PBR)

Ceanothus 'Concha'

Ceanothus 'Cynthia Postan'

Ceanothus × delileanus 'Gloire de Versailles'

Ceanothus × delileanus 'Henri DesfossĂ©'

Ceanothus × delileanus 'Topaze'

Ceanothus gloriosus 'Emily Brown'

Ceanothus griseus var. horizontalis 'Silver Surprise' (PBR) (v)

Ceanothus griseus var. horizontalis 'Yankee Point'

Ceanothus 'Italian Skies'

Ceanothus 'Joan Mirov'

Ceanothus × pallidus 'Perle Rose'

Ceanothus 'Pershore Zanzibar' (PBR) (v)

Ceanothus 'Ray Hartman'

Ceanothus 'Skylark'

Ceanothus thyrsiflorus 'Millerton Point'

Ceanothus thyrsiflorus var. repens

Ceanothus 'Victoria'

Cedrus atlantica 'Aurea'

Cedrus atlantica 'Fastigiata'

Cedrus atlantica Glauca Group

Cedrus atlantica (Glauca Group) 'Glauca Pendula'

Cedrus atlantica (Glauca Group) 'Silberspitz'

Cedrus atlantica 'Sahara Frost'

Cedrus atlantica 'Saphir Nymph'

Cedrus brevifolia

Cedrus brevifolia 'Epstein'

Cedrus brevifolia 'Hillier Compact'

Cedrus brevifolia 'Kenwith'

Cedrus deodara 'Aurea'

Cedrus deodara 'Bush's Electra'

Cedrus deodara 'Feelin' Blue'

Cedrus deodara 'Karl Fuchs'

Cedrus deodara 'Silver Spring'

Cedrus libani

Cedrus libani 'Blue Angel'

Cedrus libani 'Comte de Dijon'

Cedrus libani 'Fontaine'

Cedrus libani 'May'

Cedrus libani 'Sargentii'

Cedrus libani 'Taurus'

Celtis biondii

Celtis bungeana

Centaurea alpestris

Centaurea atropurpurea

Centaurea dealbata

Centaurea jacea

Centaurea jacea var. nemoralis

Centaurea 'John Coutts'

Centaurea 'Jordy'

Centaurea macrocephala

Centaurea montana

Centaurea montana 'Alba'

Centaurea montana 'Amethyst Dream' (PBR)

Centaurea montana 'Amethyst in Snow'

Centaurea montana 'Black Sprite'

Centaurea montana 'Carnea'

Centaurea montana 'Gold Bullion'

Centaurea montana 'Joyce'

Centaurea montana 'Purple Heart'

Centaurea nervosa

Centaurea nigra

Centaurea orientalis

Centaurea scabiosa

Cephalanthus occidentalis

Cephalaria gigantea

Cephalaria leucantha

Cephalaria tchihatchewii

Cephalotaxus harringtonia 'Fastigiata'

Cephalotaxus harringtonia 'Gimborn's Pillow'

Ceratostigma griffithii

Ceratostigma plumbaginoides

Ceratostigma willmottianum

Ceratostigma willmottianum [Desert Skies] = 'Palmgold' (PBR)

Ceratostigma willmottianum [Forest Blue] = 'Lice' (PBR)

Cercidiphyllum japonicum

Cercidiphyllum japonicum 'Boyd's Dwarf'

Cercidiphyllum japonicum 'Chameleon' (v)

Cercidiphyllum japonicum 'Herkenrode Dwarf'

Cercidiphyllum japonicum 'Heronswood Globe'

Cercidiphyllum japonicum 'Kreukenberg Dwarf'

Cercidiphyllum japonicum f. miquelianum

Cercidiphyllum japonicum 'Morioka Weeping'

Cercidiphyllum japonicum 'Peach'

Cercidiphyllum japonicum f. pendulum

Cercidiphyllum japonicum f. pendulum 'Amazing Grace'

Cercidiphyllum japonicum 'Raspberry'

Cercidiphyllum japonicum 'Rotfuchs'

Cercidiphyllum japonicum 'Ruby'

Cercidiphyllum japonicum 'Strawberry'

Cercidiphyllum japonicum 'Tidal Wave'

Cercidiphyllum japonicum 'Titania'

Cercidiphyllum magnificum

Cercis canadensis

Cercis canadensis 'Ace of Hearts' (PBR)

Cercis canadensis 'Cascading Hearts'

Cercis canadensis 'Flame'

Cercis canadensis 'Forest Pansy'

Cercis canadensis 'Hearts of Gold' (PBR)

Cercis canadensis [Lavender Twist] = 'Covey'

Cercis canadensis [Little Woody] = 'Litwo' (PBR)

Cercis canadensis 'Melon Beauty'

Cercis canadensis 'Pauline Lily'

Cercis canadensis 'Ruby Falls'

Cercis canadensis 'Rubye Atkinson'

Cercis canadensis 'Tennessee Pink'

Cercis canadensis var. texensis 'Oklahoma'

Cercis canadensis var. texensis 'Texas White'

Cercis canadensis var. texensis 'Traveller'

Cercis chinensis

Cercis chinensis 'Avondale'

Cercis chinensis 'Don Egolf'

Cercis chinensis 'Shirobana'

Cercis gigantea

Cercis griffithii

Cercis siliquastrum

Cercis siliquastrum 'Bodnant'

Cercis yunnanensis

Chaenomeles cathayensis

Chaenomeles japonica 'Sargentii'

Chaenomeles speciosa 'Grayshott Salmon'

Chaenomeles speciosa 'Kinshiden'

Chaenomeles speciosa 'Moerloosei'

Chaenomeles speciosa 'Nivalis'

Chaenomeles speciosa 'Yukigotan' (d)

Chaenomeles × superba 'Cameo' (d)

Chaenomeles × superba 'Coquelicot'

Chaenomeles × superba 'Crimson and Gold'

Chaenomeles × superba 'Elly Mossel'

Chaenomeles × superba 'Ernst Finken'

Chaenomeles × superba 'Fascination'

Chaenomeles × superba 'Fire Dance'

Chaenomeles × superba 'Issai White'

Chaenomeles × superba 'Jet Trail'

Chaenomeles × superba 'Lemon and Lime'

Chaenomeles × superba 'Pink Lady'

Chaenomeles × superba 'Pink Trail'

Chaenomeles × superba 'Red Joy'

Chaenomeles × superba 'Salmon Horizon'

Chaenomeles × superba 'Tortuosa'

Chaerophyllum hirsutum 'Roseum'

Chamaecyparis lawsoniana 'Brégéon'

Chamaecyparis lawsoniana 'Caudata'

Chamaecyparis lawsoniana 'Columnaris Glauca'

Chamaecyparis lawsoniana 'Dik's Weeping'

Chamaecyparis lawsoniana [Ellwood's Pillar] = 'Flolar'

Chamaecyparis lawsoniana 'Forsteckensis'

Chamaecyparis lawsoniana 'Forsteckensis Aurea'

Chamaecyparis lawsoniana 'Golden Wonder'

Chamaecyparis lawsoniana 'Goldfinger'

Chamaecyparis lawsoniana 'Imbricata Pendula'

Chamaecyparis lawsoniana 'Kilworth Column'

Chamaecyparis lawsoniana 'Little Spire'

Chamaecyparis lawsoniana 'Lutea Nana'

Chamaecyparis lawsoniana 'Moonsprite'

Chamaecyparis lawsoniana 'Pearly Swirls' (v)

Chamaecyparis lawsoniana 'Pelt's Blue'

Chamaecyparis lawsoniana 'Pembury Blue'

Chamaecyparis lawsoniana 'Pygmy'

Chamaecyparis lawsoniana 'Wisselii'

Chamaecyparis lawsoniana 'Wissel's Saguaro'

Chamaecyparis lawsoniana 'Witzeliana'

Chamaecyparis lawsoniana 'Yvonne'

Chamaecyparis obtusa 'Chabo-yadori'

Chamaecyparis obtusa 'Chirimen'

Chamaecyparis obtusa 'Corley Gold'

Chamaecyparis obtusa 'Dainty Doll'

Chamaecyparis obtusa 'Draht'

Chamaecyparis obtusa 'Erika'

Chamaecyparis obtusa 'Fernspray Gold'

Chamaecyparis obtusa 'Golden Fairy'

Chamaecyparis obtusa 'Hannah'

Chamaecyparis obtusa 'Kamarachiba'

Chamaecyparis obtusa 'Kerdalo'

Chamaecyparis obtusa 'Lucas' (PBR)

Chamaecyparis obtusa 'Marian'

Chamaecyparis obtusa 'Meroke'

Chamaecyparis obtusa 'Split Rock'

Chamaecyparis obtusa 'Tempelhof'

Chamaecyparis obtusa 'Tsatsumi'

Chamaecyparis obtusa 'Tsatsumi Gold'

Chamaecyparis pisifera 'Golden Mop'

Chamaecyparis pisifera 'Pygmaea Tsukumo'

Chamaecyparis pisifera 'Teddy Bear'

Chelone glabra

Chelone lyonii

Chelone obliqua

Chimonanthus nitens

Chimonanthus praecox

Chimonanthus praecox 'Brockhill Goldleaf'

Chionanthus retusus

Chionanthus retusus 'Arnold's Pride'

Chionanthus virginicus

Choisya × dewitteana 'Aztec Pearl'

Choisya × dewitteana [Goldfingers] = 'Limo' (PBR)

Choisya × dewitteana [White Dazzler] = 'Londaz' (PBR)

Choisya ternata

Choisya ternata [Moonshine] = 'Walcho' (PBR)

Choisya ternata [Sundance] = 'Lich' (PBR)

Chrysanthemum 'Branroyal' (PBR)

Chrysanthemum 'Clara Curtis' (21d)

Chrysanthemum 'Foxtrot' (PBR)

Chrysanthemum 'Gala Burgundy'

Chrysanthemum 'Mary Stoker' (21d)

Chrysanthemum 'Mrs Jessie Cooper' (21d)

Chrysanthemum 'Paul Boissier' (30Rub)

Chrysanthemum weyrichii

Chrysosplenium davidianum

Chrysosplenium macrophyllum

Cirsium heterophyllum

Cirsium oleraceum

Cirsium rivulare 'Atropurpureum'

Cistus × aguilarii 'Maculatus'

Cistus × argenteus 'Blushing Peggy Sammons'

Cistus × argenteus 'Paper Moon'

Cistus × argenteus 'Peggy Sammons'

Cistus × bornetianus 'Jester'

Cistus clusii

Cistus × cyprius var. ellipticus 'Elma'

Cistus × dansereaui

Cistus × dansereaui 'Decumbens'

Cistus × dansereaui 'Jenkyn Place'

Cistus × fernandesiae 'Anne Palmer'

Cistus 'Gordon Cooper'

Cistus × heterocalyx 'Chelsea Bonnet'

Cistus × hybridus 'Gold Prize' (v)

Cistus × hybridus [Little Miss Sunshine] = 'Dunnecis' (PBR) (v)

Cistus ladanifer 'Blanche'

Cistus ladanifer 'Pat'

Cistus laurifolius

Cistus × laxus 'Snow White'

Cistus × lenis 'Grayswood Pink'

Cistus populifolius

Cistus × pulverulentus 'Sunset'

Cistus × purpureus

Cistus × purpureus 'Alan Fradd'

Cistus × rodiaei 'Jessabel'

Cistus × rodiaei 'Jessica'

Cistus 'Ruby Cluster'

Cistus salviifolius 'Gold Star'

Cistus × skanbergii

Cistus 'Snow Fire'

Citrus × aurantium (Sweet Orange Group) 'Newhall' (F/S)

Citrus hystrix

Citrus × limon 'Garey's Eureka' (F)

Citrus × limon 'Meyer' (F)

Citrus 'Lipo' (F)

Citrus × microcarpa (F)

Cladrastis kentukea

Clematis 'Alionushka' (I)

Clematis 'Apple Blossom' (Ar)

Clematis 'Arabella' (I)

Clematis armandii

Clematis armandii 'Snowdrift'

Clematis 'Bees' Jubilee' (EL)

Clematis 'Black Prince' (Vt)

Clematis 'Blekitny Aniol' (LL)

Clematis 'Blue Dancer' (A)

Clematis 'Blue Light' (PBR) (EL/d)

Clematis [Blue Moon] = 'Evirin' (PBR) (EL)

Clematis 'Blue Ravine' (EL)

Clematis [Bonanza] = 'Evipo031' (PBR) (Vt)

Clematis 'Brunette' (A)

Clematis 'Burford White' (A)

Clematis × cartmanii hort. 'Avalanche' (PBR) (Fo/m)

Clematis × cartmanii hort. 'White Abundance' (PBR) (Fo/f)

Clematis 'Charissima' (EL)

Clematis cirrhosa 'Jingle Bells' (C)

Clematis cirrhosa 'Ourika Valley'

Clematis cirrhosa var. purpurascens 'Freckles'

Clematis cirrhosa var. purpurascens 'Lansdowne Gem'

Clematis cirrhosa 'Wisley Cream'

Clematis 'Columella' (A)

Clematis 'Constance' (A)

Clematis 'Crimson King' (LL)

Clematis 'Edith' (EL)

Clematis 'Elvan' (Vt)

Clematis 'Fair Rosamond' (EL)

Clematis 'Fireworks' (EL)

Clematis florida var. normalis [Pistachio] = 'Evirida' (PBR) (LL)

Clematis 'Floris V' (I)

Clematis 'Fond Memories' (EL)

Clematis 'Forget-me-not NLP1'

Clematis 'Foxy' (A)

Clematis 'Fragrant Spring' (M)

Clematis 'Frances Rivis' (A)

Clematis 'Fryderyk Chopin' (EL)

Clematis [Giant Star] = 'Gistar' (PBR) (M)

Clematis 'Golden Harvest' (Ta)

Clematis [Golden Tiara] = 'Kugotia' (PBR) (Ta)

Clematis 'Grace' (Ta)

Clematis 'Guernsey Cream' (EL)

Clematis 'H.F. Young' (EL)

Clematis 'Hagley Hybrid' (LL)

Clematis 'Hakuokan' (EL)

Clematis 'Happy Anniversary' (EL)

Clematis heracleifolia

Clematis heracleifolia 'China Purple'

Clematis heracleifolia 'Pink Dwarf' (H)

Clematis [Inspiration] = 'Zoin' (PBR) (I)

Clematis integrifolia

Clematis 'Jan Lindmark' (A/d)

Clematis 'John Treasure' (Vt)

Clematis [Josephine] = 'Evijohill' (PBR) (EL)

Clematis 'Kiri Te Kanawa' (EL)

Clematis 'Königskind' (EL)

Clematis 'Lambton Park' (Ta)

Clematis [Liberation] = 'Evifive' (PBR) (EL)

Clematis 'Little Bas' (Vt)

Clematis mandschurica

Clematis 'Mrs George Jackman' (EL)

Clematis 'Mrs Robert Brydon' (H)

Clematis 'My Angel' (PBR) (Ta)

Clematis 'New Love' (PBR) (H)

Clematis 'Ocean Pearl' (A)

Clematis 'Paradise Queen' (EL)

Clematis 'Perrin's Pride' (Vt)

Clematis [Petit Faucon] = 'Evisix' (PBR) (I)

Clematis 'Piilu' (EL)

Clematis 'Pink Fantasy' (LL)

Clematis 'Pixie' (Fo/m)

Clematis 'PÔhjanael' (LL)

Clematis 'Prince Charles' (LL)

Clematis 'Princess of Wales' (1875) (EL)

Clematis 'Purple Spider' (A/d)

Clematis recta

Clematis recta 'Velvet Night' (F)

Clematis 'Rosy O'Grady' (A)

Clematis 'Rosy Pagoda' (A)

Clematis 'Shirayukihime' (EL)

Clematis 'Silver Moon' (EL)

Clematis 'Special Occasion' (EL)

Clematis stans

Clematis 'Star' (PBR) (M/d)

Clematis 'Sunrise' (M/d)

Clematis 'Sunset' (EL)

Clematis 'Sweet Scentsation' (F)

Clematis 'Tage Lundell' (A)

Clematis 'The Vagabond' (EL)

Clematis [Victor Hugo] = 'Evipo007' (PBR) (LL)

Clematis 'Vyvyan Pennell' (EL)

Clematis 'Warsaw' (Ta)

Clematis 'Wedding Day' (EL)

Clematis 'White Swan' (A/d)

Clematis 'Willy' (A)

Clematis [Wisley] = 'Evipo001' (PBR) (Vt)

Clerodendrum bungei

Clerodendrum bungei 'Pink Diamond' (v)

Clerodendrum trichotomum

Clerodendrum trichotomum var. fargesii

Clerodendrum trichotomum var. fargesii 'Carnival' (v)

Clerodendrum trichotomum 'Purple Haze'

Clethra acuminata

Clethra alnifolia 'Anne Bidwell'

Clethra alnifolia 'Creel's Calico' (v)

Clethra alnifolia 'Fern Valley Pink'

Clethra alnifolia 'Hokie Pink'

Clethra alnifolia 'Hummingbird'

Clethra alnifolia 'Pink Spires'

Clethra alnifolia 'Ruby Spice'

Clethra alnifolia 'September Beauty'

Clethra alnifolia 'Sixteen Candles'

Clethra alnifolia [Vanilla Spice] = 'Caleb'

Clethra arborea

Clethra barbinervis

Clethra delavayi Franch.

Clethra fargesii

Clethra monostachya

Clethra pringlei

Clethra tomentosa 'Cottondale'

Codonopsis cardiophylla

Codonopsis clematidea

Codonopsis dicentrifolia

Codonopsis ovata

Colletia hystrix

Colquhounia coccinea

Colutea × media 'Copper Beauty'

Convallaria majalis

Convallaria majalis 'Bordeaux'

Convallaria majalis 'Bridal Choice'

Convallaria majalis 'GĂ©ant de Fortin'

Convallaria majalis 'Prolificans'

Convallaria majalis var. rosea

Coreopsis 'Autumn Blush'

Coreopsis 'Cranberry Ice'

Coreopsis 'Full Moon' (PBR) (Big Bang Series)

Coreopsis grandiflora 'Bernwode' (v)

Coreopsis rosea 'American Dream'

Coreopsis verticillata

Coreopsis verticillata 'Moonbeam'

Coreopsis verticillata 'Zagreb'

Coriaria japonica

Coriaria myrtifolia

Coriaria nepalensis

Coriaria terminalis var. xanthocarpa

Cornus alba 'Aurea'

Cornus alba 'Elegantissima' (v)

Cornus alba 'Gouchaultii' (v)

Cornus alba [Ivory Halo] = 'Bailhalo' (PBR)

Cornus alba 'Kesselringii'

Cornus alba 'Siberian Pearls'

Cornus alba 'Sibirica'

Cornus alba 'Spaethii' (v)

Cornus alba 'Wintersun'

Cornus alternifolia 'Argentea' (v)

Cornus alternifolia 'Brunette'

Cornus alternifolia [Golden Shadows] = 'Wstackman' (PBR) (v)

Cornus alternifolia [Pinky Spot] = 'Minpinky'

Cornus alternifolia 'Silver Giant' (v)

Cornus alternifolia 'Yellow Spring'

Cornus amomum

Cornus amomum 'Lady Jane'

Cornus 'Ascona'

Cornus [Aurora] = 'Rutban' (Stellar Series)

Cornus canadensis

Cornus [Celestial] = 'Rutdan' (Stellar Series)

Cornus controversa 'Candlelight'

Cornus controversa 'Green Carpet'

Cornus controversa 'Laska'

Cornus controversa 'Lucia'

Cornus controversa 'Marginata Nord'

Cornus controversa 'Pagoda'

Cornus controversa 'Troya Dwarf'

Cornus controversa 'Variegata' (v)

Cornus controversa 'Winter Orange'

Cornus 'Dorothy'

Cornus 'Eddie's White Wonder'

Cornus florida 'G.H. Ford' (v)

Cornus florida f. pluribracteata (d)

Cornus florida 'Purple Glory'

Cornus florida 'Pygmaea'

Cornus florida 'Sunset' (v)

Cornus hongkongensis

Cornus kousa

Cornus kousa 'Angyo Issai'

Cornus kousa 'Autumn Rose'

Cornus kousa 'Beni-fuji'

Cornus kousa 'Big Apple'

Cornus kousa 'Blue Shadow'

Cornus kousa 'Bultinck's Beauty'

Cornus kousa 'Bultinck's Giant'

Cornus kousa var. chinensis

Cornus kousa var. chinensis 'Bodnant Form'

Cornus kousa var. chinensis 'China Girl'

Cornus kousa var. chinensis 'Claudia'

Cornus kousa var. chinensis 'White Dusted' (v)

Cornus kousa var. chinensis 'White Fountain'

Cornus kousa var. chinensis 'Wieting's Select'

Cornus kousa 'Ed Mezitt'

Cornus kousa 'Eline' (PBR)

Cornus kousa 'Eurostar'

Cornus kousa 'Fanfare'

Cornus kousa 'Gold Star' (v)

Cornus kousa 'Heart Throb'

Cornus kousa 'John Slocock'

Cornus kousa 'Kim'

Cornus kousa 'Kreutzdame'

Cornus kousa 'Lizzie P'

Cornus kousa 'Lustgarten Weeping'

Cornus kousa 'Madame Butterfly'

Cornus kousa 'Milky Way'

Cornus kousa 'Minuma'

Cornus kousa 'Miss Petty'

Cornus kousa 'Miss Satomi'

Cornus kousa 'Moonbeam'

Cornus kousa 'Mount Fuji'

Cornus kousa 'National'

Cornus kousa 'Nicole'

Cornus kousa 'Pevé Limbo' (v)

Cornus kousa 'Pevé Satomi Compact'

Cornus kousa 'Polywood'

Cornus kousa 'Radiant Rose'

Cornus kousa 'Rasen'

Cornus kousa 'Rel Whirlwind'

Cornus kousa 'Robert'

Cornus kousa 'Satomi Akatuki' (v)

Cornus kousa 'Schmetterling'

Cornus kousa 'Teutonia'

Cornus kousa 'Tsukubanomine'

Cornus kousa 'Vale Milky Way' (v)

Cornus kousa 'Weaver's Weeping'

Cornus kousa 'Weisse FontÀne'

Cornus kousa 'White Dream'

Cornus kousa 'Wolf Eyes' (v)

Cornus mas

Cornus mas 'Aurea' (v)

Cornus mas 'Aureoelegantissima' (v)

Cornus mas 'Devin' (F)

Cornus mas 'Golden Glory'

Cornus mas 'Happy Face'

Cornus mas 'Jolico' (F)

Cornus mas 'Kasanlaker' (F)

Cornus mas 'Pioneer' (F)

Cornus mas 'Spring Glow'

Cornus mas 'Titus' (F)

Cornus mas 'Variegata' (v)

Cornus mas 'Xanthocarpa'

Cornus 'Norman Hadden'

Cornus nuttallii 'North Star'

Cornus nuttallii 'Portlemouth'

Cornus nuttallii 'Zurico'

Cornus officinalis

Cornus officinalis 'Kintoki'

Cornus 'Ormonde'

Cornus 'Porlock'

Cornus pumila

Cornus racemosa

Cornus rugosa

Cornus [Ruth Ellen] = 'Rutlan' (Stellar Series)

Cornus sanguinea 'Compressa'

Cornus sanguinea 'Magic Flame'

Cornus sanguinea 'Midwinter Fire'

Cornus sanguinea 'Winter Beauty'

Cornus sericea 'Cardinal'

Cornus sericea 'Flaviramea'

Cornus sericea 'Kelseyi'

Cornus sericea subsp. occidentalis 'Sunshine'

Cornus sericea 'White Gold' (v)

Cornus [Stellar Pink] = 'Rutgan' (Stellar Series)

Corokia buddlejoides

Corokia cotoneaster

Corokia × virgata

Corokia × virgata 'Sunsplash' (v)

Corokia × virgata 'Yellow Wonder'

Correa backhouseana

Cortaderia selloana 'Pumila'

Cortaderia selloana 'Rosea'

Cortaderia selloana 'Splendid Star' (PBR) (v)

Cortusa matthioli 'Alba'

Cortusa matthioli subsp. pekinensis

Corydalis 'Blackberry Wine'

Corydalis buschii

Corydalis 'Canary Feathers' (PBR)

Corydalis flexuosa 'Blue Panda'

Corydalis flexuosa 'China Blue'

Corydalis flexuosa 'Golden Panda' (v)

Corydalis flexuosa 'Purple Leaf'

Corydalis 'Kingfisher'

Corydalis ochroleuca

Corydalis solida

Corydalis solida subsp. solida 'Beth Evans'

Corydalis solida subsp. solida 'Dieter Schacht'

Corydalis solida subsp. solida 'George Baker'

Corylopsis glabrescens var. gotoana

Corylopsis glabrescens var. gotoana 'Chollipo'

Corylopsis glabrescens 'Lemon Drop'

Corylopsis pauciflora

Corylopsis sinensis var. calvescens f. veitchiana

Corylopsis sinensis var. sinensis

Corylopsis sinensis var. sinensis 'Spring Purple'

Corylopsis sinensis 'Veitch's Purple'

Corylopsis spicata

Corylopsis spicata 'Red Eye'

Corylus avellana (F)

Corylus avellana 'Anny's Purple Dream' (PBR)

Corylus avellana 'Anny's Red Dwarf'

Corylus avellana 'Aurea'

Corylus avellana 'Contorta'

Corylus avellana 'Cosford' (F)

Corylus avellana 'Fuscorubra' (F)

Corylus avellana 'Heterophylla'

Corylus avellana 'Red Majestic' (PBR)

Corylus avellana 'Webb's Prize Cob' (F)

Corylus colurna

Corylus maxima 'Garibaldi' (F)

Corylus maxima 'Halle'sche Riesennuss' (F)

Corylus maxima 'Kentish Cob' (F)

Corylus maxima 'Purpurea' (F)

Corylus maxima 'Red Filbert' (F)

Corylus 'Nottingham Early' (F)

Cosmos atrosanguineus

Cosmos atrosanguineus [Chocamocha] = 'Thomocha' (PBR)

Cotinus coggygria

Cotinus coggygria [Golden Spirit] = 'Ancot' (PBR)

Cotinus coggygria 'Kanari'

Cotinus coggygria 'Pink Champagne'

Cotinus coggygria 'Red Beauty'

Cotinus coggygria 'Royal Purple'

Cotinus coggygria 'Velvet Cloak'

Cotinus coggygria 'Young Lady' (PBR)

Cotinus [Dusky Maiden] = 'Londus' (PBR)

Cotinus 'Flame'

Cotinus 'Grace'

Cotinus obovatus

Cotoneaster adpressus 'Little Gem'

Cotoneaster ambiguus

Cotoneaster amoenus

Cotoneaster apiculatus

Cotoneaster astrophoros

Cotoneaster atropurpureus

Cotoneaster atropurpureus 'Variegatus' (v)

Cotoneaster aurantiacus

Cotoneaster boisianus

Cotoneaster bullatus

Cotoneaster canescens

Cotoneaster chadwelli

Cotoneaster chungtiensis

Cotoneaster conspicuus 'Decorus'

Cotoneaster cordifolius

Cotoneaster crispii

Cotoneaster cuspidatus

Cotoneaster dielsianus

Cotoneaster divaricatus

Cotoneaster emeiensis

Cotoneaster encavei

Cotoneaster 'Exburiensis'

Cotoneaster franchetii

Cotoneaster frigidus 'Cornubia'

Cotoneaster glomerulatus

Cotoneaster granatensis

Cotoneaster harrovianus

Cotoneaster hjelmqvistii

Cotoneaster horizontalis

Cotoneaster 'Hybridus Pendulus'

Cotoneaster ignescens

Cotoneaster incanus

Cotoneaster insolitus

Cotoneaster integrifolius

Cotoneaster kingdonii

Cotoneaster kweitschoviensis

Cotoneaster lacteus

Cotoneaster lucidus

Cotoneaster mairei

Cotoneaster marquandii

Cotoneaster meiophyllus

Cotoneaster melanocarpus

Cotoneaster meuselii

Cotoneaster meyeri

Cotoneaster mucronatus

Cotoneaster nanshan

Cotoneaster naoujanensis

Cotoneaster nitens

Cotoneaster ogisui

Cotoneaster omissus

Cotoneaster parkeri

Cotoneaster pluriflorus

Cotoneaster poluninii

Cotoneaster raboutensis

Cotoneaster rehderi

Cotoneaster rokujodaisanensis

Cotoneaster 'Rothschildianus'

Cotoneaster salicifolius

Cotoneaster salicifolius 'Avonbank'

Cotoneaster schantungensis

Cotoneaster sherriffii

Cotoneaster simonsii

Cotoneaster × suecicus 'Coral Beauty'

Cotoneaster × suecicus 'Juliette' (v)

Cotoneaster turbinatus

Cotoneaster vandelaarii

Cotoneaster veitchii

Cotoneaster washanensis

Crambe cordifolia

Crambe maritima

+ Crataegomespilus 'Jules d'AsniĂšres'

Crataegus arnoldiana

Crataegus crus-galli L.

Crataegus laevigata 'Crimson Cloud'

Crataegus laevigata 'Paul's Scarlet' (d)

Crataegus laevigata 'Rosea Flore Pleno' (d)

Crataegus × lavalleei 'Aurora'

Crataegus monogyna 'Biflora'

Crataegus orientalis

Crataegus pinnatifida var. major 'Big Golden Star'

Crataegus schraderiana

Crepis incana 'Pink Mist'

Crinodendron hookerianum

Crinodendron hookerianum 'Ada Hoffmann'

Crinodendron patagua

Crocosmia × crocosmiiflora 'Babylon'

Crocosmia × crocosmiiflora 'Emily McKenzie'

Crocosmia × crocosmiiflora (Lemoine) N.E. Br. 'George Davison' Davison

Crocosmia × crocosmiiflora 'James Coey' J.E. Fitt

Crocosmia × crocosmiiflora 'Red King'

Crocosmia × crocosmiiflora 'Solfatare'

Crocosmia × crocosmiiflora 'Voyager'

Crocosmia × crocosmiiflora 'Zeal Tan'

Crocosmia × crocosmioides 'Castle Ward Late'

Crocosmia 'Ellenbank Goldcrest'

Crocosmia 'Emberglow'

Crocosmia 'Fire King' ambig.

Crocosmia 'John Boots'

Crocosmia 'Jupiter'

Crocosmia 'Limpopo'

Crocosmia 'Lucifer'

Crocosmia 'Mistral'

Crocosmia 'Okavango' (PBR)

Crocosmia pottsii 'Culzean Pink'

Crocosmia 'Severn Sunrise'

Cryptomeria japonica 'Bandai-sugi'

Cryptomeria japonica 'Dacrydioides'

Cryptomeria japonica 'Dinger'

Cryptomeria japonica Elegans Group

Cryptomeria japonica 'Elegans Compacta'

Cryptomeria japonica 'Jindai-sugi'

Cryptomeria japonica 'Kamasan'

Cryptomeria japonica 'Koshiji-yatsubusa'

Cryptomeria japonica 'Monstrosa'

Cryptomeria japonica 'Pygmaea'

Cryptomeria japonica 'Rasen-sugi'

Cryptomeria japonica 'Sekkan-sugi'

Cryptomeria japonica 'Spiralis'

Cryptomeria japonica 'Spiraliter Falcata'

Cryptomeria japonica 'Vilmoriniana'

Cucubalus baccifer

Cupressus sempervirens Stricta Group

Cydonia oblonga 'Bereczki' (F)

Cydonia oblonga 'Leskovac' (F)

Cydonia oblonga 'Lusitanica' (F)

Cydonia oblonga 'Meech's Prolific' (F)

Cydonia oblonga 'Rea's Mammoth' (F)

Cydonia oblonga 'Serbian Gold' (F)

Cydonia oblonga 'Smyrna' (F)

Cydonia oblonga 'Vranja' Nenadovic (F)

Cymbalaria pilosa

Cynara cardunculus 'Florist Cardy'

Cynara cardunculus (Scolymus Group) 'Large Green'

Cyrtomium fortunei var. clivicola

Cytisus 'Apricot Gem'

Cytisus × beanii

Cytisus 'Boskoop Glory'

Cytisus 'Dukaat'

Cytisus 'Goldfinch'

Cytisus × kewensis

Cytisus × kewensis 'Niki'

Cytisus 'Lena'

Cytisus 'Maria Burkwood'

Cytisus 'Mrs Norman Henry'

Cytisus 'Windlesham Ruby'

Dahlia 'Arabian Night' (SD)

Dahlia 'Bishop of Lancaster' (Misc)

Dahlia 'Bishop of Leicester' (Misc)

Dahlia 'Bishop of Llandaff' (P)

Dahlia 'Clair de Lune' (Col)

Dahlia [Dreamy Inspire] (Dreamy Series) (Misc)

Dahlia 'Dreamy Moonlight' (Dreamy Series) (Sin)

Dahlia 'Fascination' (P)

Dahlia 'Grenadier' (SD)

Daphne × burkwoodii 'Astrid' (v)

Daphne × burkwoodii 'Briggs Moonlight' (v)

Daphne × burkwoodii 'Somerset'

Daphne laureola

Daphne laureola 'Margaret Mathew'

Daphne laureola subsp. philippi

Daphne 'Leila Haines'

Daphne odora 'Aureomarginata' (v)

Daphne odora 'Mae-jima' (v)

Daphne odora [Marianni] = 'Rogbret' (v)

Daphne oleoides

Daphne pontica

Daphne × susannae 'Anton Fahndrich'

Daphne × susannae 'Cheriton'

Daphne tangutica

Daphne tangutica Retusa Group

Daphne × transatlantica [Eternal Fragrance] = 'Blafra' (PBR)

Daphniphyllum macropodum

Darmera peltata 'Nana'

Davidia involucrata

Davidia involucrata 'Sonoma'

Decumaria barbara

Decumaria barbara 'Vicki'

Deinanthe bifida

Deinanthe caerulea

Delphinium Astolat Group

Delphinium (Belladonna Group) 'Atlantis'

Delphinium (Belladonna Group) 'Casa Blanca'

Delphinium (Belladonna Group) 'Cliveden Beauty'

Delphinium (Belladonna Group) 'Piccolo'

Delphinium (Belladonna Group) 'Völkerfrieden'

Delphinium Black Knight Group

Delphinium Cameliard Group

Delphinium 'Cherry Blossom'

Delphinium 'Christel'

Delphinium elatum 'Sweet Sensation'

Delphinium 'La BohĂšme'

Delphinium maackianum

Delphinium 'Magic Fountains Dark Blue' (Magic Fountains Series)

Delphinium 'Magic Fountains Deep Blue' (Magic Fountains Series)

Delphinium 'Magic Fountains Lavender' (Magic Fountains Series)

Delphinium 'Moon Light' (Highlander Series) (d)

Delphinium 'Mrs Newton Lees'

Delphinium Pacific hybrids

Delphinium 'Plagu Blue' (PBR)

Delphinium × ruysii 'Pink Sensation'

Delphinium 'Strawberry Fair'

Delphinium 'Yvonne'

Desmodium canadense

Desmodium elegans

Deutzia compacta 'Lavender Time'

Deutzia crenata 'Pride of Rochester' (d)

Deutzia × elegantissima 'Fasciculata'

Deutzia gracilis 'Nikko'

Deutzia × hybrida 'Mont Rose'

Deutzia × hybrida 'Strawberry Fields'

Deutzia × kalmiiflora

Deutzia × magnifica

Deutzia ningpoensis

Deutzia 'Rosea Plena' (d)

Deutzia scabra 'Plena' (d)

Deutzia setchuenensis var. corymbiflora

Deutzia 'Tourbillon Rouge'

Dianella caerulea

Dianella tasmanica 'Variegata' (v)

Diascia barberae 'Blackthorn Apricot'

Diascia 'Denim Blue'

Diascia [Little Dancer] = 'Pendan' (PBR)

Diascia [Little Dreamer] = 'Pender' (PBR)

Diascia [Little Drifter] = 'Pendrif' (PBR)

Diascia [Little Maiden] = 'Penmaid' (PBR)

Diascia [Little Tango] = 'Pentang' (PBR)

Diascia [Pink Panther] = 'Penther'

Diascia rigescens

Dicentra 'Aurora'

Dicentra canadensis

Dicentra 'Candy Hearts' (PBR)

Dicentra cucullaria

Dicentra cucullaria 'Pink Punk'

Dicentra eximia (Ker Gawl.) Torr. 'Snowdrift'

Dicentra formosa 'Bacchanal'

Dicentra formosa 'Langtrees'

Dicentra formosa 'Spring Gold'

Dicentra formosa 'Spring Magic'

Dicentra 'Ivory Hearts' (PBR)

Dicentra 'King of Hearts'

Dicentra 'Pearl Drops'

Dicentra 'Red Fountain' (PBR)

Dicentra 'Stuart Boothman'

Dierama argyreum

Dierama 'Blackberry Bells'

Dierama dracomontanum

Dierama erectum

Dierama igneum

Dierama insigne

Dierama 'Miranda'

Dierama mossii

Dierama pulcherrimum

Dierama pulcherrimum 'Blackbird'

Diervilla rivularis 'Troja Black'

Diervilla sessilifolia 'Butterfly'

Diervilla × splendens

Digitalis ferruginea 'Gelber Herold'

Digitalis grandiflora

Digitalis grandiflora 'Carillon'

Digitalis lutea

Digitalis × mertonensis

Digitalis parviflora 'Milk Chocolate'

Digitalis purpurea f. albiflora

Digitalis purpurea 'Camelot Cream' (Camelot Series)

Digitalis purpurea 'Camelot Lavender' (Camelot Series)

Digitalis purpurea 'Camelot Rose' (Camelot Series)

Digitalis purpurea 'Camelot White' (Camelot Series)

Digitalis purpurea 'Pam's Choice'

Digitalis purpurea 'Primrose Carousel'

Digitalis purpurea 'Snow Thimble'

Digitalis purpurea 'Sutton's Apricot'

Digitalis 'Red Skin'

Digitalis 'Spice Island'

Diospyros hyrcanum

Diospyros kaki (F)

Diospyros lotus

Diospyros rhombifolia

Diospyros virginiana (F)

Dipelta floribunda

Dipelta ventricosa

Dipelta yunnanensis

Dipsacus inermis

Dipsacus sativus

Disanthus cercidifolius

Disanthus cercidifolius 'Ena-nishiki' (v)

Disporum longistylum 'Green Giant'

Disporum sessile 'Variegatum' (v)

Disporum smilacinum

Distylium myricoides

Distylium racemosum

Dodecatheon 'Aphrodite' (PBR)

Dodecatheon jeffreyi

Dodecatheon meadia

Dodecatheon meadia f. album

Dodecatheon meadia 'Queen Victoria'

Dodecatheon pulchellum subsp. pulchellum 'Red Wings'

Doronicum 'Little Leo'

Dracocephalum argunense 'Blue Carpet'

Dracocephalum ruyschiana 'Blue Moon'

Dryopteris affinis 'Cristata'

Dryopteris affinis (Polydactyla Group) 'Polydactyla Dadds'

Dryopteris atrata (Wall. ex Kunze) Ching

Dryopteris buschiana

Dryopteris carthusiana

Dryopteris dilatata 'Crispa Whiteside'

Dryopteris dilatata 'Recurvata'

Dryopteris erythrosora

Dryopteris erythrosora var. prolifica

Dryopteris filix-mas 'Barnesii'

Dryopteris filix-mas 'Linearis Polydactyla'

Dryopteris goldieana

Dryopteris marginalis

Dryopteris sieboldii

Dryopteris stewartii

Dryopteris tokyoensis

Dryopteris wallichiana

Eccremocarpus scaber cream-flowered

Eccremocarpus scaber red-flowered

Echinacea 'Aloha'

Echinacea 'Flame Thrower' (PBR)

Echinacea 'Green Envy' (PBR)

Echinacea 'Hot Summer' (PBR)

Echinacea 'Mama Mia'

Echinacea purpurea 'Alaska' (PBR)

Echinacea purpurea 'Baby Swan White'

Echinacea purpurea 'Fragrant Angel' (PBR)

Echinacea purpurea 'Green Eyes'

Echinacea purpurea 'Hope' (PBR)

Echinacea purpurea 'Jade'

Echinacea purpurea 'Kim's Knee High' (PBR)

Echinacea purpurea 'Kim's Mop Head'

Echinacea purpurea 'Lilliput' (PBR)

Echinacea purpurea 'Magnus'

Echinacea purpurea 'Pink Sorbet' (PBR)

Echinacea purpurea 'Rubinglow'

Echinacea purpurea 'Ruby Giant'

Echinacea purpurea 'The King'

Echinacea purpurea 'Verbesserter Leuchtstern'

Echinacea purpurea 'Vintage Wine' (PBR)

Echinacea purpurea 'Virgin' (PBR)

Echinacea purpurea 'White Swan'

Echinacea 'Summer Sky' (PBR) (Big Sky Series)

Echinacea 'Summer Sun' (PBR)

Echinacea 'Sundown' (PBR) (Big Sky Series)

Echinacea 'Tomato Soup' (PBR)

Echinops bannaticus 'Star Frost'

Echinops bannaticus 'Taplow Blue'

Echinops ritro 'Veitch's Blue'

Echinops sphaerocephalus 'Arctic Glow'

Echinops tjanschanicus

Echium vulgare

Edgeworthia chrysantha

Edgeworthia chrysantha 'Grandiflora'

Edgeworthia chrysantha 'Red Dragon'

Elaeagnus angustifolia

Elaeagnus commutata

Elaeagnus × ebbingei

Elaeagnus × ebbingei 'Gilt Edge' (v)

Elaeagnus pungens 'Dicksonii' (v)

Elaeagnus pungens 'Frederici' (v)

Elaeagnus pungens 'Hosoba-fukurin' (v)

Elaeagnus pungens 'Maculata' (v)

Elaeagnus 'Quicksilver'

Elaeagnus umbellata

Elaeagnus umbellata var. borealis 'Polar Lights'

Eleutherococcus sieboldianus 'Variegatus' (v)

Elsholtzia stauntonii

Emmenopterys henryi

Enkianthus campanulatus

Enkianthus campanulatus var. campanulatus f. albiflorus

Enkianthus campanulatus var. palibinii

Enkianthus campanulatus 'Red Bells'

Enkianthus campanulatus 'Red Velvet'

Enkianthus campanulatus 'Showy Lantern'

Enkianthus campanulatus var. sikokianus

Enkianthus campanulatus 'Sinsetu'

Enkianthus campanulatus 'Venus'

Enkianthus campanulatus 'Victoria'

Enkianthus campanulatus 'Wallaby'

Enkianthus cernuus f. rubens

Enkianthus deflexus

Enkianthus perulatus

Epimedium acuminatum

Epimedium 'Akebono'

Epimedium brachyrrhizum

Epimedium × cantabrigiense

Epimedium davidii

Epimedium 'Enchantress'

Epimedium grandiflorum

Epimedium grandiflorum 'Koji'

Epimedium grandiflorum 'Lilafee'

Epimedium leptorrhizum

Epimedium 'Little Shrimp'

Epimedium × perralchicum

Epimedium × perralchicum 'Fröhnleiten'

Epimedium 'Pink Elf' (PBR)

Epimedium pinnatum subsp. colchicum

Epimedium pubigerum

Epimedium × rubrum

Epimedium 'Sasaki'

Epimedium × warleyense 'Orangekönigin'

Epimedium × youngianum 'Roseum'

Eragrostis spectabilis

Eranthis hyemalis Cilicica Group

Eremurus 'Emmy Ro'

Eremurus 'Grace'

Eremurus himalaicus

Eremurus × isabellinus Ruiter hybrids

Eremurus 'Jeanne-Claire'

Eremurus 'Joanna'

Eremurus 'Luca Ro'

Eremurus robustus

Eremurus 'Romance'

Eremurus stenophyllus

Erigeron 'Azurfee'

Erigeron 'Dunkelste Aller'

Erigeron glaucus 'Albus'

Erigeron karvinskianus

Eriobotrya japonica (F)

Erodium chrysanthum

Erodium 'County Park'

Erodium glandulosum

Erodium manescavii

Erodium pelargoniiflorum

Erodium 'Pickering Pink'

Eryngium agavifolium

Eryngium alpinum 'Blue Star'

Eryngium bourgatii

Eryngium bourgatii Graham Stuart Thomas's selection

Eryngium bourgatii 'Oxford Blue'

Eryngium bourgatii 'Picos Amethyst'

Eryngium bourgatii 'Picos Blue' (PBR)

Eryngium 'Cobalt Star'

Eryngium giganteum

Eryngium giganteum 'Silver Ghost'

Eryngium horridum ambig.

Eryngium maritimum

Eryngium × oliverianum

Eryngium planum 'Bethlehem'

Eryngium planum 'Blauer Zwerg'

Eryngium planum 'Blaukappe'

Eryngium planum 'Blue Candle'

Eryngium planum 'Blue Glitter'

Eryngium planum 'Blue Hobbit'

Eryngium planum 'Jade Frost' (PBR) (v)

Eryngium planum 'Naughty Jackpot' (v)

Eryngium planum 'Tiny Jackpot'

Eryngium × tripartitum

Eryngium variifolium

Eryngium yuccifolium

Eryngium × zabelii 'Big Blue'

Eryngium × zabelii 'Donard Variety'

Eryngium × zabelii 'Jos Eijking' (PBR)

Eryngium × zabelii 'Violetta'

Erysimum 'Apricot Twist'

Erysimum 'Bowles's Mauve'

Erysimum linifolium 'Variegatum' (v)

Erysimum 'Plant World Lemon'

Erysimum 'Sweet Sorbet'

Erysimum 'Winter Joy'

Erysimum [Winter Orchid]

Erysimum [Winter Sorbet] = 'Inneryws' (PBR)

Erythronium 'Kondo'

Erythronium 'Pagoda'

Escallonia 'Apple Blossom'

Escallonia 'Donard Radiance'

Escallonia 'Donard Star'

Escallonia 'Donard White'

Escallonia 'Edinensis'

Escallonia illinita

Escallonia 'Iveyi'

Escallonia laevis 'Gold Brian' (PBR)

Escallonia laevis 'Gold Ellen' (v)

Escallonia 'Red Dream'

Escallonia rubra var. macrantha

Eucalyptus archeri

Eucalyptus dalrympleana

Eucalyptus gunnii

Eucalyptus parvula

Eucommia ulmoides

Eucryphia × intermedia

Eucryphia × intermedia 'Rostrevor'

Eucryphia lucida

Eucryphia lucida 'Pink Cloud'

Eucryphia × nymansensis 'Nymansay'

Euonymus alatus

Euonymus alatus 'Compactus'

Euonymus alatus [Little Moses] = 'Odom'

Euonymus alatus 'Silver Cloud'

Euonymus alatus f. striatus

Euonymus alatus 'Timber Creek'

Euonymus americanus

Euonymus bungeanus 'Dart's Pride'

Euonymus clivicola

Euonymus cornutus var. quinquecornutus

Euonymus 'Den Haag'

Euonymus europaeus

Euonymus europaeus f. albus

Euonymus europaeus 'Atropurpureus'

Euonymus europaeus 'Brilliant'

Euonymus europaeus 'Howard'

Euonymus europaeus var. intermedius

Euonymus europaeus 'Red Cascade'

Euonymus europaeus 'Thornhayes'

Euonymus fortunei [Blondy] = 'Interbolwi' (PBR) (v)

Euonymus fortunei 'Emerald 'n' Gold' (v)

Euonymus fortunei [Goldy] = 'Waldbolwi' (PBR)

Euonymus fortunei 'Wolong Ghost'

Euonymus grandiflorus

Euonymus grandiflorus 'Red Wine'

Euonymus hamiltonianus 'Indian Summer'

Euonymus hamiltonianus 'Miss Pinkie'

Euonymus hamiltonianus 'Red Elf'

Euonymus hamiltonianus 'Rising Sun'

Euonymus hamiltonianus subsp. sieboldianus 'Coral Charm'

Euonymus japonicus 'Bravo' (v)

Euonymus japonicus 'Gold Queen' (PBR)

Euonymus japonicus 'Grey Beauty'

Euonymus japonicus 'Microphyllus Aureovariegatus' (v)

Euonymus japonicus 'Ovatus Aureus' (v)

Euonymus japonicus 'Silver Krista' (v)

Euonymus kiautschovicus 'Berry Hill'

Euonymus kiautschovicus 'Manhattan'

Euonymus maximowiczianus

Euonymus myrianthus

Euonymus nanus

Euonymus obovatus

Euonymus oxyphyllus

Euonymus phellomanus

Euonymus planipes

Euonymus spraguei

Euonymus tingens

Euonymus verrucosus

Euonymus wilsonii

Eupatorium cannabinum f. cannabinum 'Flore Pleno' (d)

Eupatorium maculatum

Eupatorium maculatum (Atropurpureum Group) 'Gateway'

Eupatorium maculatum (Atropurpureum Group) 'Phantom' (PBR)

Eupatorium maculatum (Atropurpureum Group) 'Riesenschirm'

Eupatorium perfoliatum

Euphorbia amygdaloides 'Purpurea'

Euphorbia amygdaloides var. robbiae

Euphorbia [Blackbird] = 'Nothowlee' (PBR)

Euphorbia 'Blue Haze'

Euphorbia characias 'Blue Wonder'

Euphorbia characias subsp. characias

Euphorbia characias subsp. characias 'Humpty Dumpty'

Euphorbia characias 'Goldbrook'

Euphorbia characias 'Portuguese Velvet'

Euphorbia characias [Silver Swan] = 'Wilcott' (PBR) (v)

Euphorbia characias subsp. wulfenii

Euphorbia characias subsp. wulfenii 'Emmer Green' (v)

Euphorbia characias subsp. wulfenii 'Lambrook Gold'

Euphorbia corallioides

Euphorbia cornigera

Euphorbia cyparissias

Euphorbia cyparissias 'Fens Ruby'

Euphorbia cyparissias 'Orange Man'

Euphorbia dulcis 'Chameleon'

Euphorbia 'Efanthia' (PBR)

Euphorbia [Excalibur] = 'Froeup' (PBR)

Euphorbia griffithii 'Dixter'

Euphorbia griffithii 'Fireglow'

Euphorbia griffithii 'King's Caple'

Euphorbia 'Helena' (PBR) (v)

Euphorbia jacquemontii

Euphorbia [Kalipso] = 'Innkalff'

Euphorbia lathyris

Euphorbia × martini

Euphorbia × martini 'Ascot Rainbow' (PBR) (v)

Euphorbia × martini 'Baby Charm'

Euphorbia mellifera

Euphorbia myrsinites

Euphorbia oblongata

Euphorbia palustris

Euphorbia polychroma

Euphorbia polychroma 'Bonfire' (PBR)

Euphorbia polychroma 'Senior'

Euphorbia [Redwing] = 'Charam' (PBR)

Euphorbia schillingii

Euphorbia seguieriana

Euptelea pleiosperma

Euptelea polyandra

Exochorda giraldii var. wilsonii

Exochorda korolkowii

Exochorda × macrantha 'Niagara'

Exochorda × macrantha 'The Bride'

Exochorda racemosa

Exochorda serratifolia 'Snow White'

Fagus orientalis 'Iskander'

Fagus sylvatica 'Black Swan'

Fagus sylvatica 'Dawyck'

Fagus sylvatica 'Greenwood'

Fagus sylvatica 'Purple Fountain'

Fagus sylvatica 'Rohan Obelisk'

Fagus sylvatica 'Zlatia'

Farfugium 'Last Dance' (PBR)

Fargesia from Jiuzhaigou, China

Fargesia murielae 'Amy'

Fargesia murielae 'Bimbo'

Fargesia murielae 'Joy'

Fargesia murielae 'Kranich'

Fargesia murielae 'Simba'

Fargesia robusta

Fargesia rufa

Fatsia japonica 'Moseri'

Felicia rosulata

Festuca glauca 'Elijah Blue'

Ficus carica 'Bornholm' (F)

Ficus carica 'Brown Turkey' (F)

Ficus carica 'Brunswick' (F)

Ficus carica 'Précoce de Dalmatie' (F)

Filipendula camtschatica

Filipendula camtschatica

Filipendula 'Kahome'

Filipendula multijuga

Filipendula purpurea 'Plena' (d)

Filipendula rubra 'Venusta'

Filipendula ulmaria 'Aurea'

Filipendula ulmaria 'Variegata' (v)

Filipendula vulgaris 'Multiplex' (d)

Forsythia 'Beatrix Farrand' K. Sax

Forsythia 'Fiesta' (v)

Forsythia × intermedia 'Goldrausch'

Forsythia × intermedia [Week End] = 'Courtalyn' (PBR)

Forsythia 'Kanarek'

Forsythia [Marée d'Or] = 'Courtasol' (PBR)

Forsythia 'Paulina'

Forsythia viridissima 'Bronxensis'

Forsythia viridissima var. koreana 'Kumsom' (v)

Forsythia viridissima 'Weber's Bronx'

Fothergilla gardenii

Fothergilla gardenii 'Brian Upchurch'

Fothergilla gardenii 'Harold Epstein'

Fothergilla gardenii 'Suzanne'

Fothergilla gardenii 'Zundert'

Fothergilla × intermedia [Beaver Creek] = 'Klmtwo'

Fothergilla × intermedia 'Blue Shadow'

Fothergilla × intermedia 'Mount Airy'

Fothergilla × intermedia 'Red Licorice'

Fothergilla × intermedia 'Sea Spray'

Fothergilla × intermedia 'Windy City'

Fothergilla major

Fragaria × ananassa [Pink Panda] = 'Frel' (PBR) (F)

Fragaria 'Lipstick'

Frangula alnus 'Aspleniifolia'

Frangula alnus 'Fine Line'

Fraxinus excelsior 'Crispa'

Fremontodendron californicum

Fritillaria imperialis 'Aurora'

Fritillaria imperialis 'Garland Star'

Fritillaria imperialis 'Maxima Lutea'

Fritillaria imperialis 'Rubra'

Fuchsia 'Alice Hoffman' (d)

Fuchsia 'Army Nurse' (d)

Fuchsia 'Chillerton Beauty'

Fuchsia 'Genii'

Fuchsia 'Hawkshead'

Fuchsia 'Howlett's Hardy'

Fuchsia 'Lady Boothby'

Fuchsia 'Lady Thumb' (d)

Fuchsia 'Madame Cornélissen' (d)

Fuchsia magellanica var. gracilis 'Tricolor' (v)

Fuchsia 'Mrs Popple'

Fuchsia 'Riccartonii'

Fuchsia 'Tom Thumb'

Gaillardia × grandiflora 'Kobold'

Gaillardia 'Red Sun'

Galium odoratum

Garrya elliptica (m)

Garrya elliptica 'James Roof' (m)

Garrya × thuretii

Gaultheria mucronata 'Bell's Seedling' (f/m)

Gaultheria mucronata 'Signaal' (f)

Gaultheria procumbens

Gaultheria shallon

Gaultheria × wisleyensis 'Pink Pixie'

Gaura lindheimeri [Karalee White] = 'Nugauwhite' (PBR)

Gaura lindheimeri [Lillipop Pink] = 'Redgapi' (PBR)

Genista hispanica

Genista lydia

Genista pilosa var. minor

Gentiana acaulis

Gentiana acaulis 'Luna' (PBR)

Gentiana asclepiadea

Gentiana asclepiadea 'Knightshayes'

Gentiana asclepiadea 'Pink Swallow'

Gentiana cruciata

Gentiana dahurica

Gentiana 'Diana' (PBR)

Gentiana 'Little Diamond' (PBR)

Gentiana makinoi 'Marsha' (PBR)

Gentiana 'Mystic' (PBR)

Gentiana pneumonanthe

Gentiana scabra 'Zuikorindo'

Gentiana 'Serenity'

Gentiana sino-ornata 'Weisser Traum'

Gentiana triflora var. japonica

Geranium 'Ann Folkard'

Geranium 'Bertie Crûg'

Geranium 'Blue Boy'

Geranium 'Blue Cloud'

Geranium [Blue Sunrise] = 'Blogold' (PBR)

Geranium 'Blushing Turtle' (PBR)

Geranium 'Brookside'

Geranium caeruleatum

Geranium × cantabrigiense

Geranium × cantabrigiense 'Biokovo'

Geranium × cantabrigiense 'Westray' (PBR)

Geranium (Cinereum Group) 'Alice' (PBR)

Geranium (Cinereum Group) 'Ballerina'

Geranium (Cinereum Group) 'Carol'

Geranium (Cinereum Group) 'Lizabeth' (PBR)

Geranium (Cinereum Group) 'Purple Pillow'

Geranium (Cinereum Group) 'Signal'

Geranium clarkei 'Kashmir Pink'

Geranium clarkei 'Kashmir White'

Geranium clarkei (Purple-flowered Group) 'Kashmir Purple'

Geranium 'Coombland White'

Geranium dalmaticum

Geranium 'Dilys'

Geranium [Dragon Heart] = 'Bremdra' (PBR)

Geranium 'Dusky Rose'

Geranium 'Elke'

Geranium erianthum

Geranium 'Eureka Blue'

Geranium hayatanum

Geranium himalayense 'Baby Blue'

Geranium himalayense 'Irish Blue'

Geranium himalayense 'Plenum' (d)

Geranium ibericum subsp. jubatum 'White Zigana'

Geranium ibericum Cav. 'Ushguli Grijs'

Geranium 'Ivan'

Geranium 'Jean Armour'

Geranium 'Johnson's Blue'

Geranium 'Joy'

Geranium 'Kashmir Blue'

Geranium koreanum ambig.

Geranium krameri

Geranium 'Lakwijk Star'

Geranium 'Lilac Ice'

Geranium 'Little David'

Geranium 'Little Gem'

Geranium 'Luscious Linda'

Geranium macrorrhizum 'Bevan's Variety'

Geranium macrorrhizum 'Czakor'

Geranium macrorrhizum 'Ingwersen's Variety'

Geranium macrorrhizum 'Pindus'

Geranium macrorrhizum 'Snow Sprite'

Geranium macrorrhizum 'Spessart'

Geranium macrorrhizum 'White-Ness'

Geranium maculatum f. albiflorum

Geranium maculatum 'Beth Chatto'

Geranium maculatum 'Elizabeth Ann' (PBR)

Geranium maculatum 'Espresso'

Geranium maculatum 'Spring Purple'

Geranium 'Mavis Simpson'

Geranium 'Melinda' (PBR)

Geranium × monacense var. anglicum

Geranium 'Nicola'

Geranium 'Nimbus'

Geranium nodosum 'Clos du Coudray'

Geranium nodosum 'Swish Purple'

Geranium orientalitibeticum

Geranium 'Orion'

Geranium × oxonianum 'Beholder's Eye'

Geranium × oxonianum 'Breckland Sunset'

Geranium × oxonianum 'Claridge Druce'

Geranium × oxonianum 'Hollywood'

Geranium × oxonianum 'Katherine Adele'

Geranium × oxonianum 'Maurice Moka'

Geranium × oxonianum 'Phoebe Noble'

Geranium × oxonianum 'Rose Clair'

Geranium × oxonianum 'Rosenlicht'

Geranium × oxonianum f. thurstonianum

Geranium × oxonianum f. thurstonianum 'Sue Cox'

Geranium × oxonianum 'Wageningen'

Geranium × oxonianum 'Walter's Gift'

Geranium [Patricia] = 'Brempat'

Geranium peloponnesiacum

Geranium 'Perfect Storm'

Geranium phaeum

Geranium phaeum 'Album'

Geranium phaeum 'Lily Lovell'

Geranium phaeum 'Margaret Wilson' (v)

Geranium phaeum var. phaeum 'Samobor'

Geranium phaeum 'Raven'

Geranium phaeum 'Shadowlight'

Geranium phaeum 'Springtime' (PBR)

Geranium phaeum 'WalkĂŒre'

Geranium 'Philippe Vapelle'

Geranium platypetalum 'Turco'

Geranium pratense 'Akaton'

Geranium pratense [Black Beauty] = 'Nodbeauty' (PBR)

Geranium pratense 'Double Jewel' (d)

Geranium pratense 'Himalayanum'

Geranium pratense 'Hocus Pocus'

Geranium pratense Midnight Reiter strain

Geranium pratense 'Mrs Kendall Clark'

Geranium pratense 'Plenum Caeruleum' (d)

Geranium pratense 'Plenum Violaceum' (d)

Geranium pratense var. pratense f. albiflorum 'Galactic'

Geranium pratense var. pratense f. albiflorum 'Plenum Album' (d)

Geranium pratense var. stewartianum 'Elizabeth Yeo'

Geranium pratense 'Striatum'

Geranium 'Prelude'

Geranium psilostemon

Geranium psilostemon 'Bressingham Flair'

Geranium psilostemon 'Madelon'

Geranium rectum

Geranium 'Red Admiral'

Geranium renardii

Geranium renardii 'Tcschelda'

Geranium × riversleaianum 'Russell Prichard'

Geranium rivulare

Geranium 'Rosetta' (PBR)

Geranium [Rozanne] = 'Gerwat' (PBR)

Geranium [Sabani Blue] = 'Bremigo' (PBR)

Geranium sanguineum 'Album'

Geranium sanguineum 'Ankum's Pride'

Geranium sanguineum 'ApfelblĂŒte'

Geranium sanguineum 'Canon Miles'

Geranium sanguineum 'Elsbeth'

Geranium sanguineum 'Glenluce'

Geranium sanguineum 'Max Frei'

Geranium sanguineum 'New Hampshire Purple'

Geranium sanguineum 'Shepherd's Warning'

Geranium sanguineum var. striatum

Geranium 'Sanne'

Geranium shikokianum

Geranium 'Shocking Blue'

Geranium soboliferum

Geranium soboliferum 'Starman'

Geranium 'Spinners'

Geranium 'Stephanie'

Geranium subcaulescens

Geranium [Summer Skies] = 'Gernic' (PBR) (d)

Geranium 'Sweet Heidy' (PBR)

Geranium sylvaticum 'Amy Doncaster'

Geranium sylvaticum 'Birch Lilac'

Geranium sylvaticum f. roseum

Geranium 'Tanya Rendall' (PBR)

Geranium 'Terre Franche'

Geranium thunbergii

Geranium 'Tiny Monster'

Geranium versicolor

Geranium wallichianum 'Pink Buxton'

Geranium wlassovianum

Geum 'Bell Bank'

Geum 'Borisii'

Geum bulgaricum

Geum coccineum 'Cooky'

Geum coccineum 'Eos'

Geum 'Diana'

Geum 'Farmer John Cross'

Geum 'Feuermeer'

Geum 'Fire Storm'

Geum 'Fireball'

Geum 'Flames of Passion' (PBR)

Geum 'Georgenberg'

Geum × intermedium

Geum 'Karlskaer'

Geum 'Lady Stratheden' (d)

Geum 'Lemon Drops'

Geum 'Lionel Cox'

Geum magellanicum

Geum 'Mai Tai'

Geum 'Marmalade'

Geum 'Mrs J. Bradshaw' (d)

Geum 'Mrs W. Moore'

Geum 'Pink Frills'

Geum 'Primrose'

Geum 'Prinses Juliana'

Geum rivale 'Album'

Geum rivale 'Leonard's Variety'

Gillenia trifoliata

Ginkgo biloba

Ginkgo biloba 'Anny's Dwarf'

Ginkgo biloba 'Autumn Gold' (m)

Ginkgo biloba 'Beijing Gold'

Ginkgo biloba 'Chase Manhattan'

Ginkgo biloba 'Chris' Dwarf'

Ginkgo biloba 'Everton Broom'

Ginkgo biloba 'Jade Butterflies'

Ginkgo biloba 'Jehosaphat'

Ginkgo biloba 'Mariken'

Ginkgo biloba 'Mayfield' (m)

Ginkgo biloba 'Obelisk'

Ginkgo biloba 'Princeton Sentry' (m)

Ginkgo biloba 'Saratoga' (m)

Ginkgo biloba 'Tit'

Ginkgo biloba 'Tubifolia'

Ginkgo biloba Variegata Group (v)

Gleditsia japonica

Gleditsia triacanthos 'Rubylace'

Gleditsia triacanthos 'Sunburst'

Glycyrrhiza glabra

Glycyrrhiza uralensis

Gomphostigma virgatum 'White Candy'

Griselinia littoralis 'Variegata' (v)

Gunnera magellanica

Gunnera manicata

Gunnera tinctoria

Gymnocarpium dryopteris

Gymnocarpium dryopteris 'Plumosum'

Gypsophila cerastioides

Gypsophila pacifica

Gypsophila paniculata 'Bristol Fairy' (d)

Gypsophila paniculata 'Flamingo' (d)

Gypsophila paniculata 'Schneeflocke' (d)

Gypsophila repens 'Dubia'

Halesia carolina

Halesia carolina Monticola Group

Halesia carolina (Monticola Group) 'Variegata' (v)

Halesia carolina Vestita Group

Halesia carolina (Vestita Group) 'Rosea'

Hamamelis 'Amethyst'

Hamamelis 'Doerak'

Hamamelis 'Fire Blaze'

Hamamelis × intermedia 'Advent'

Hamamelis × intermedia 'Angelly'

Hamamelis × intermedia 'Anne'

Hamamelis × intermedia 'Aphrodite'

Hamamelis × intermedia 'Arnhem'

Hamamelis × intermedia 'Arnold Promise'

Hamamelis × intermedia 'Aurora'

Hamamelis × intermedia 'Birgit'

Hamamelis × intermedia 'Cyrille'

Hamamelis × intermedia 'Diane'

Hamamelis × intermedia 'Feuerzauber'

Hamamelis × intermedia 'Georges'

Hamamelis × intermedia 'Gimborn's Perfume'

Hamamelis × intermedia 'Jelena'

Hamamelis × intermedia 'Limelight'

Hamamelis × intermedia 'Livia'

Hamamelis × intermedia 'Old Copper'

Hamamelis × intermedia 'Orange Peel'

Hamamelis × intermedia 'Ostergold'

Hamamelis × intermedia 'Pallida'

Hamamelis × intermedia 'Rubin'

Hamamelis × intermedia 'Ruby Glow'

Hamamelis × intermedia 'Spanish Spider'

Hamamelis × intermedia 'Strawberries and Cream'

Hamamelis × intermedia 'Sunburst'

Hamamelis × intermedia 'Twilight'

Hamamelis × intermedia 'Vesna'

Hamamelis × intermedia 'Westerstede'

Hamamelis japonica 'Pendula'

Hamamelis japonica 'Zuccariniana'

Hamamelis mollis 'Boskoop'

Hamamelis 'Rochester'

Hamamelis vernalis 'Lombarts' Weeping'

Hamamelis vernalis 'Quasimodo'

Hamamelis vernalis 'Sandra'

Hamamelis 'Yamina'

Haplopappus glutinosus

Hebe 'Baby Marie'

Hebe [Blue Star] = 'Vergeer 1' (PBR)

Hebe 'Champagne'

Hebe 'Emerald Gem'

Hebe 'Heartbreaker' (PBR) (v)

Hebe 'Kirkii'

Hebe 'Lady Ann' (PBR) (v)

Hebe 'Marjorie'

Hebe 'Mrs Winder'

Hebe 'Nicola's Blush'

Hebe ochracea 'James Stirling'

Hebe 'Oratia Beauty'

Hebe pinguifolia 'Pagei'

Hebe 'Pink Elephant' (v)

Hebe [Purple Shamrock] = 'Neprock' (PBR) (v)

Hebe 'Silver Queen' (v)

Hebe stenophylla

Hedera colchica 'Dentata Variegata' (v)

Hedera colchica 'Sulphur Heart' (v)

Hedera helix 'Buttercup'

Hedera helix 'Gold Ripple'

Hedera helix 'Manda's Crested'

Hedera helix 'Oro di Bogliasco' (v)

Hedera helix 'Spetchley'

Hedera helix 'Woerneri'

Helenium 'BlĂŒtentisch' Foerster

Helenium 'Chelsey'

Helenium 'Dunkle Pracht'

Helenium 'Flammenspiel'

Helenium 'Indianersommer'

Helenium 'Kanaria'

Helenium 'Kleiner Fuchs'

Helenium 'Moerheim Beauty'

Helenium 'Red Army'

Helenium 'Red Jewel'

Helenium 'Rubinzwerg'

Helenium 'Ruby Thuesday'

Helenium 'Sahin's Early Flowerer'

Helenium 'Tijuana Brass'

Helenium 'Waltraut'

Helenium 'Wesergold'

Helenium 'Wyndley'

Helenium 'Zimbelstern'

Helianthella quinquenervis

Helianthus 'Bitter Chocolate'

Helianthus 'Capenoch Star'

Helianthus 'Carine'

Helianthus 'Gullick's Variety'

Helianthus × laetiflorus

Helianthus 'Lemon Queen'

Helianthus 'Monarch'

Helianthus salicifolius 'Table Mountain' (PBR)

Heliopsis helianthoides var. scabra 'Asahi'

Heliopsis helianthoides var. scabra 'Sommersonne'

Heliopsis helianthoides var. scabra 'Venus'

Heliotropium arborescens 'Princess Marina'

Helleborus argutifolius

Helleborus argutifolius 'Silver Lace'

Helleborus × ballardiae 'Candy Love' (PBR)

Helleborus × ericsmithii

Helleborus × ericsmithii 'HGC Silvermoon' (PBR)

Helleborus × ericsmithii 'Snow Love' (PBR)

Helleborus foetidus

Helleborus [HGC Cinnamon Snow] = 'Coseh 700' (PBR)

Helleborus × hybridus 'Harvington Apricots'

Helleborus × hybridus Harvington double purple (d)

Helleborus × hybridus Harvington double red (d)

Helleborus × hybridus Harvington double white (d)

Helleborus × hybridus Harvington double yellow (d)

Helleborus × hybridus Harvington picotee

Helleborus × hybridus Harvington pink

Helleborus × hybridus Harvington pink speckled

Helleborus × hybridus Harvington red

Helleborus × hybridus 'Harvington Shades of the Night'

Helleborus × hybridus Harvington white

Helleborus × hybridus Harvington yellow

Helleborus × hybridus Harvington yellow speckled

Helleborus × hybridus Party Dress Group (d)

Helleborus × hybridus Picotee Group

Helleborus 'Moonshine' (PBR)

Helleborus niger

Helleborus niger Blackthorn Group

Helleborus niger 'HGC Josef Lemper' (PBR)

Helleborus × nigercors 'Pink Beauty'

Helleborus 'Pink Beauty' (PBR)

Helleborus × sternii

Helleborus × sternii Ashwood strain

Helleborus 'White Beauty' (PBR)

Helwingia chinensis

Hemerocallis 'AprĂšs Moi'

Hemerocallis 'Bertie Ferris'

Hemerocallis 'Black Emanuelle'

Hemerocallis 'Black Knight'

Hemerocallis 'Bonanza'

Hemerocallis 'Canadian Border Patrol'

Hemerocallis 'Children's Festival'

Hemerocallis 'Chinese Imp'

Hemerocallis 'Cool It'

Hemerocallis 'Corky'

Hemerocallis 'Cream Drop'

Hemerocallis 'Diamond Dust'

Hemerocallis 'Double Cutie' (d)

Hemerocallis 'Double Firecracker' (d)

Hemerocallis 'Edge of Darkness'

Hemerocallis 'Elizabeth Salter'

Hemerocallis 'Frans Hals'

Hemerocallis 'Gentle Shepherd'

Hemerocallis 'Georgia Cream' (d)

Hemerocallis [Golden Zebra] = 'Malja' (PBR) (v)

Hemerocallis 'Ice Carnival'

Hemerocallis 'In Depth' (d)

Hemerocallis 'Inner View'

Hemerocallis 'Janice Brown'

Hemerocallis 'Little Bugger'

Hemerocallis 'Little Grapette'

Hemerocallis 'Little Miss Manners'

Hemerocallis 'Little Show Stopper'

Hemerocallis 'Longfield's Purple Eye'

Hemerocallis 'Lullaby Baby'

Hemerocallis 'Lynn Hall'

Hemerocallis 'Mauna Loa'

Hemerocallis 'Mildred Mitchell'

Hemerocallis 'Moonlight Masquerade'

Hemerocallis 'Moses' Fire'

Hemerocallis 'Night Beacon'

Hemerocallis 'Night Embers'

Hemerocallis 'Pandora's Box'

Hemerocallis 'Pink Puff'

Hemerocallis 'Plum Beauty'

Hemerocallis 'Prairie Belle'

Hemerocallis 'Purpleicious'

Hemerocallis 'Romantic Rose'

Hemerocallis 'Rosy Returns'

Hemerocallis 'Royal Braid'

Hemerocallis 'Sabine Baur'

Hemerocallis 'Siloam French Doll'

Hemerocallis 'Siloam Show Girl'

Hemerocallis 'Siloam Ury Winniford'

Hemerocallis 'Sinbad Sailor'

Hemerocallis 'Spacecoast Scrambled'

Hemerocallis 'Strawberry Candy'

Hemerocallis 'Strawberry Fields Forever'

Hemerocallis 'Summer Wine'

Hemerocallis 'Toyland'

Hemerocallis 'Wild Horses'

Hemerocallis 'Wineberry Candy'

Hepatica henryi

Hepatica transsilvanica 'Buis'

Hepatica yamatutai

Hesperantha coccinea

Hesperantha coccinea 'Fenland Daybreak'

Hesperantha coccinea 'Jennifer'

Hesperantha coccinea 'Maiden's Blush'

Hesperantha coccinea 'Major'

Hesperantha coccinea 'Mrs Hegarty'

Hesperantha coccinea 'November Cheer'

Hesperantha coccinea 'Wilfred H. Bryant'

Heuchera americana Dale's strain

Heuchera 'Berry Smoothie' (PBR)

Heuchera 'Blackout'

Heuchera 'Café Olé'

Heuchera 'Can-can'

Heuchera 'Cherry Cola'

Heuchera [CrÚme Brûlée] = 'Tnheu041' (Dolce Series)

Heuchera 'Dark Beauty' (PBR)

Heuchera 'Eden's Mystery'

Heuchera 'Electric Lime'

Heuchera 'Fire Chief' (PBR)

Heuchera 'Fireworks' (PBR)

Heuchera 'Georgia Peach' (PBR)

Heuchera 'Ginger Ale' (PBR)

Heuchera 'Hollywood' (PBR)

Heuchera [Licorice] = 'Tnheu044' (PBR) (Dolce Series)

Heuchera 'Lime Marmalade'

Heuchera 'Marmalade' (PBR)

Heuchera 'Midas Touch'

Heuchera 'Midnight Bayou'

Heuchera 'Peach Flambé' (PBR)

Heuchera 'Plum Royale' (PBR)

Heuchera pulchella

Heuchera 'Rave On' (PBR)

Heuchera sanguinea 'Ruby Bells'

Heuchera 'Sashay'

Heuchera 'Southern Comfort' (PBR)

Heuchera 'Strawberry Candy' (PBR)

Heuchera 'Strawberry Swirl'

× Heucherella 'Burnished Bronze' (PBR)

× Heucherella 'Dayglow Pink' (PBR)

× Heucherella 'Kimono' (PBR)

× Heucherella 'Redstone Falls' (PBR)

× Heucherella 'Solar Eclipse'

× Heucherella 'Solar Power' (PBR)

× Heucherella 'Sweet Tea' (PBR)

Hibiscus syriacus 'Hamabo'

Hibiscus syriacus 'Monstrosus'

Hibiscus syriacus 'Oiseau Bleu'

Hibiscus syriacus 'Red Heart'

Hibiscus syriacus 'Woodbridge'

Hippocrepis emerus

Hippophae rhamnoides 'Frugna' (f)

Hippophae rhamnoides 'Hergo' (f)

Hippophae rhamnoides 'Hikul' (m)

Hippophae rhamnoides 'Leikora' (f)

Hippophae rhamnoides 'Pollmix' (m)

Hoheria sexstylosa 'Crataegifolia'

Hoheria sexstylosa 'Stardust'

Holboellia angustifolia

Holboellia coriacea

Holboellia latifolia

Holodiscus discolor

Hosta 'Abiqua Trumpet'

Hosta 'American Halo'

Hosta 'Antioch' (fortunei) (v)

Hosta 'Aphrodite' (plantaginea) (d)

Hosta 'August Moon'

Hosta 'Aureomarginata' (montana) (v)

Hosta 'Baby Bunting'

Hosta 'Big Daddy' (sieboldiana hybrid) (v)

Hosta 'Big Mama'

Hosta 'Blue Cadet'

Hosta (Tardiana Group) 'Blue Moon'

Hosta 'Blue Mouse Ears'

Hosta 'Blue Shadows' (tokudama) (v)

Hosta 'Blue Umbrellas' (sieboldiana hybrid)

Hosta 'Carol' (fortunei) (v)

Hosta 'Cherry Berry' (v)

Hosta clausa var. normalis

Hosta 'Clifford's Forest Fire'

Hosta 'Devon Desire' (montana)

Hosta 'Devon Green'

Hosta 'DuPage Delight' (sieboldiana) (v)

Hosta 'Elvis Lives'

Hosta 'Emerald Tiara' (v)

Hosta 'Eos'

Hosta 'Fire and Ice' (v)

Hosta fortunei var. albopicta (v)

Hosta fortunei var. albopicta f. aurea

Hosta fortunei var. aureomarginata (v)

Hosta fortunei var. hyacinthina

Hosta 'Fragrant Bouquet' (v)

Hosta 'Fragrant Dream'

Hosta 'Francee' (fortunei) (v)

Hosta 'Frances Williams' (sieboldiana) (v)

Hosta 'Fried Green Tomatoes'

Hosta 'Frosted Jade' (v)

Hosta 'Ginko Craig' (v)

Hosta 'Gold Edger'

Hosta 'Gold Standard' (fortunei) (v)

Hosta 'Golden Prayers' (tokudama)

Hosta 'Golden Sunburst' (sieboldiana)

Hosta 'Golden Tiara' (v)

Hosta 'Grand Marquee' (v)

Hosta 'Ground Master' (v)

Hosta 'Guacamole' (v)

Hosta 'Guardian Angel' (sieboldiana)

Hosta 'Hadspen White' (fortunei)

Hosta (Tardiana Group) 'Halcyon'

Hosta 'Helen Field Fischer' (fortunei)

Hosta 'Hydon Sunset'

Hosta 'Inniswood' (v)

Hosta 'Invincible'

Hosta 'Island Charm' (v)

Hosta 'Jade Cascade'

Hosta (Tardiana Group) 'June' (PBR) (v)

Hosta (Tardiana Group) 'June Fever' (PBR)

Hosta 'Jurassic Park'

Hosta 'Knockout' (v)

Hosta 'Krossa Regal'

Hosta 'Lakeside Maestro'

Hosta 'Little Black Scape'

Hosta 'Love Pat'

Hosta 'Loyalist' (PBR) (v)

Hosta 'Mesa Fringe' (montana)

Hosta 'Midas Touch'

Hosta 'Midwest Magic' (v)

Hosta 'Minuteman' (fortunei) (v)

Hosta 'Morning Light'

Hosta 'Nancy Lindsay' (fortunei)

Hosta 'Northern Exposure' (sieboldiana) (v)

Hosta 'Paradise Joyce' (PBR)

Hosta 'Patriot' (v)

Hosta 'Pearl Lake'

Hosta 'Phoenix'

Hosta 'Pineapple Upside Down Cake' (v)

Hosta 'Pizzazz' (v)

Hosta 'Prairie Sky'

Hosta 'Purple Dwarf'

Hosta 'Red October'

Hosta 'Remember Me' (PBR)

Hosta 'Resonance' (v)

Hosta 'Revolution' (PBR) (v)

Hosta 'Royal Standard'

Hosta 'Samurai' (sieboldiana) (v)

Hosta 'Sea Lotus Leaf'

Hosta 'Shade Fanfare' (v)

Hosta 'Sharmon' (fortunei) (v)

Hosta 'Snow Cap' (v)

Hosta 'Snow Flakes' (sieboldii)

Hosta 'Stiletto' (v)

Hosta 'Striptease' (fortunei) (v)

Hosta 'Sum and Substance'

Hosta 'Sun Power'

Hosta 'Tattoo' (PBR) (v)

Hosta 'Thunderbolt' (PBR) (sieboldiana)

Hosta 'Twilight' (fortunei) (v)

Hosta undulata var. undulata (v)

Hosta 'White Feather' (undulata)

Hosta 'Wide Brim' (v)

Hosta 'William Lachman' (v)

Hosta 'Zounds'

Hovenia dulcis

Humulus lupulus

Humulus lupulus 'Aureus'

Humulus lupulus 'Golden Tassels' (f)

Humulus lupulus 'Prima Donna'

Hydrangea anomala subsp. petiolaris

Hydrangea anomala subsp. petiolaris var. cordifolia

Hydrangea anomala subsp. petiolaris var. cordifolia 'Brookside Littleleaf'

Hydrangea anomala subsp. petiolaris 'Mirranda'

Hydrangea arborescens 'Annabelle'

Hydrangea arborescens 'Hills of Snow'

Hydrangea arborescens [Incrediball] = 'Abetwo'

Hydrangea arborescens 'Picadilly'

Hydrangea arborescens 'Pink Pincushion'

Hydrangea arborescens 'Puffed Green'

Hydrangea arborescens 'Vasterival'

Hydrangea aspera 'Anthony Bullivant'

Hydrangea aspera Kawakamii Group

Hydrangea aspera 'Macrophylla'

Hydrangea aspera 'Mauvette'

Hydrangea aspera 'Peter Chappell'

Hydrangea aspera 'Rocklon'

Hydrangea aspera 'Sam MacDonald'

Hydrangea aspera subsp. sargentiana

Hydrangea aspera 'Spinners'

Hydrangea aspera 'Taiwan Pink'

Hydrangea aspera 'The Ditch'

Hydrangea aspera 'Velvet and Lace'

Hydrangea aspera Villosa Group

Hydrangea heteromalla 'June Pink'

Hydrangea heteromalla 'Long White'

Hydrangea heteromalla 'Morrey's Form'

Hydrangea heteromalla 'Nepal Beauty'

Hydrangea heteromalla 'Snowcap'

Hydrangea integrifolia

Hydrangea involucrata 'Hortensis' (d)

Hydrangea involucrata 'Plena' (d)

Hydrangea involucrata 'Tokada Yama'

Hydrangea involucrata 'Viridescens'

Hydrangea involucrata 'Yohraku-tama'

Hydrangea involucrata 'Yokudanka' (d)

Hydrangea macrophylla 'Adria' (H)

Hydrangea macrophylla 'Altona' (H)

Hydrangea macrophylla 'Ayesha' (H)

Hydrangea macrophylla 'Beauté VendÎmoise' (L)

Hydrangea macrophylla 'Bouquet Rose' (H)

Hydrangea macrophylla 'Forever Pink' (H)

Hydrangea macrophylla 'Frillibet' (H)

Hydrangea macrophylla 'Hanabi' (L/d)

Hydrangea macrophylla 'Hatsu-shime' (L)

Hydrangea macrophylla 'Izu-no-hana' (L/d)

Hydrangea macrophylla 'Jofloma' (H)

Hydrangea macrophylla 'Jogasaki' (L/d)

Hydrangea macrophylla 'Lanarth White' (L)

Hydrangea macrophylla 'Lemon Wave' (L/v)

Hydrangea macrophylla 'Libelle' (Teller Series) (L)

Hydrangea macrophylla 'Love You Kiss' (PBR) (Hovaria Series) (L)

Hydrangea macrophylla 'Madame A. Riverain' (H)

Hydrangea macrophylla 'Madame Emile MouillĂšre' (H)

Hydrangea macrophylla [Magical Harmony] = 'Hortmahar' (PBR) (H)

Hydrangea macrophylla 'Maréchal Foch' (H)

Hydrangea macrophylla 'Mariesii' (L)

Hydrangea macrophylla 'Masja' (H)

Hydrangea macrophylla 'Merveille Sanguine' (H)

Hydrangea macrophylla 'Nigra' (H)

Hydrangea macrophylla 'Nikko Blue' (H)

Hydrangea macrophylla 'Otaksa' (H)

Hydrangea macrophylla 'Rotkehlchen' (Teller Series) (L)

Hydrangea macrophylla 'Sea Foam' (L)

Hydrangea macrophylla 'Shin-ozaki' (H)

Hydrangea macrophylla 'Soeur ThérÚse' (H)

Hydrangea macrophylla 'Zhuni Hito' (L)

Hydrangea paniculata 'Big Ben'

Hydrangea paniculata 'Bombshell' (PBR)

Hydrangea paniculata 'Brussels Lace'

Hydrangea paniculata 'Burgundy Lace'

Hydrangea paniculata [Dart's Little Dot] = 'Darlido' (PBR)

Hydrangea paniculata 'Grandiflora'

Hydrangea paniculata 'Great Escape'

Hydrangea paniculata 'Harry's Souvenir'

Hydrangea paniculata 'Kyushu'

Hydrangea paniculata 'Limelight' (PBR)

Hydrangea paniculata [Magical Fire] = 'Bokraplume' (PBR)

Hydrangea paniculata 'Mathilde'

Hydrangea paniculata 'Mega Pearl'

Hydrangea paniculata 'Melody'

Hydrangea paniculata 'October Bride'

Hydrangea paniculata 'Pee Wee'

Hydrangea paniculata 'Phantom'

Hydrangea paniculata [Pink Diamond] = 'Interhydia'

Hydrangea paniculata [Pinky-Winky] = 'Dvppinky' (PBR)

Hydrangea paniculata 'Ruby'

Hydrangea paniculata 'Tender Rose'

Hydrangea paniculata 'Unique'

Hydrangea paniculata [Vanille Fraise] = 'Renhy' (PBR)

Hydrangea paniculata 'White Goliath'

Hydrangea paniculata 'White Lace'

Hydrangea paniculata 'White Moth'

Hydrangea paniculata 'Wim's Red' (PBR)

Hydrangea 'Preziosa'

Hydrangea quercifolia 'Alice'

Hydrangea quercifolia 'Amethyst' Dirr

Hydrangea quercifolia 'Applause'

Hydrangea quercifolia 'Back Porch'

Hydrangea quercifolia 'Burgundy'

Hydrangea quercifolia 'Harmony'

Hydrangea quercifolia 'Ice Crystal'

Hydrangea quercifolia 'Little Honey' (PBR)

Hydrangea quercifolia 'Sike's Dwarf'

Hydrangea quercifolia [Snow Queen] = 'Flemygea'

Hydrangea quercifolia [Snowflake] = 'Brido' (d)

Hydrangea quercifolia 'Tennessee Clone'

Hydrangea scandens subsp. chinensis f. formosana

Hydrangea scandens subsp. chinensis f. formosana

Hydrangea seemannii

Hydrangea serrata 'Akabe-yama'

Hydrangea serrata (Amacha Group) 'Amagi-amacha' (L)

Hydrangea serrata 'Beni-gaku' (L)

Hydrangea serrata 'Blue Billow' (L)

Hydrangea serrata 'Fuji-no-taki' (L/d)

Hydrangea serrata 'Impératrice Eugénie' (L)

Hydrangea serrata 'Kiyosumi' (L)

Hydrangea serrata 'Kurenai' (L)

Hydrangea serrata 'Miranda' (L)

Hydrangea serrata 'Otsu-hime'

Hydrangea serrata 'Ramis Pictis' (L)

Hydrangea serrata 'Shiro-gaku' (L)

Hydrangea serrata 'Tiara' (L)

Hydrangea serrata 'Veerle' (L)

Hydrangea serrata 'Yae-no-amacha' (L/d)

Hydrangea serrata subsp. yezoensis

Hymenoxys hoopesii

Hypericum androsaemum 'Albury Purple'

Hypericum androsaemum 'Excellent Flair'

Hypericum × dummeri 'Peter Dummer'

Hypericum [Golden Beacon] = 'Wilhyp' (PBR)

Hypericum 'Hidcote'

Hypericum inodorum 'Dream'

Hypericum × inodorum 'Elstead'

Hypericum [Magical Beauty] = 'Kolmbeau' (PBR)

Hypericum [Magical Red] = 'Kolmred' (PBR)

Hypericum [Miracle Fantasy] = 'Hymirfan'

Hypericum [Miracle Summer] = 'Hymirsum'

Hypericum [Miracle Wonder] = 'Hymirwon'

Hypericum olympicum f. uniflorum 'Citrinum'

Idesia polycarpa

Ilex × altaclerensis 'Golden King' (f/v)

Ilex × altaclerensis 'Lawsoniana' (f/v)

Ilex × altaclerensis 'Wilsonii' (f)

Ilex aquifolium

Ilex aquifolium 'Alaska' (f)

Ilex aquifolium 'Amber' (f)

Ilex aquifolium 'Bacciflava' (f)

Ilex aquifolium 'Fastigiata Sartori'

Ilex aquifolium 'Ferox' (m)

Ilex aquifolium 'Ferox Argentea' (m/v)

Ilex aquifolium 'Gold Flash' (f/v)

Ilex aquifolium 'Golden van Tol' (f/v)

Ilex aquifolium 'Handsworth New Silver' (f/v)

Ilex aquifolium 'J.C. van Tol' (f)

Ilex aquifolium 'Madame Briot' (f/v)

Ilex aquifolium 'Myrtifolia' (m)

Ilex aquifolium 'Pyramidalis' (f)

Ilex aquifolium 'Pyramidalis Aureomarginata' (f/v)

Ilex aquifolium 'Rubricaulis Aurea' (f/v)

Ilex aquifolium [Siberia] = 'Limsi' (PBR) (f)

Ilex aquifolium 'Silver Queen' (m/v)

Ilex aquifolium 'Silver van Tol' (f/v)

Ilex cornuta 'Burfordii' (f)

Ilex crenata (Fastigata Group) 'Fastigiata' (f)

Ilex crenata 'Stokes' (m)

Ilex × koehneana 'Chestnut Leaf' (f)

Ilex latifolia

Ilex × meserveae [Blue Angel] = 'Conang' (f)

Ilex × meserveae [Blue Maid] = 'Mesid' (f)

Ilex × meserveae [Blue Prince] = 'Conablu' (m)

Ilex × meserveae [Blue Princess] = 'Conapri' (f)

Ilex × meserveae [Castle Spire] = 'Hachfee' (PBR)

Ilex 'Nellie R. Stevens' (f)

Ilex triflora var. kanehirae

Ilex verticillata (f)

Ilex verticillata (m)

Ilex verticillata f. chrysocarpa (f)

Ilex verticillata 'Maryland Beauty' (f)

Ilex verticillata 'Southern Gentleman' (m)

Illicium anisatum

Illicium henryi

Illicium oligandrum

Illicium 'Woodland Ruby'

Impatiens omeiana

Impatiens omeiana 'Ice Storm'

Imperata cylindrica 'Rubra'

Incarvillea delavayi

Incarvillea delavayi 'Bees' Pink'

Incarvillea delavayi 'Snowtop'

Incarvillea mairei

Indigofera amblyantha

Indigofera heterantha

Indigofera himalayensis 'Silk Road'

Indigofera kirilowii

Inula helenium

Inula magnifica

Inula magnifica 'Sonnenstrahl'

Inula orientalis

Inula racemosa 'Sonnenspeer'

Iris 'Berlin Tiger' (SpH)

Iris 'Black Dragon' (TB)

Iris 'Black Gamecock' (La)

Iris 'Black Knight' (TB)

Iris 'Blue Denim' (SDB)

Iris 'Blue Pigmy' (SDB)

Iris 'Bold Pretender' (La)

Iris 'Bruno' (TB)

Iris 'Butter and Sugar' (Sib)

Iris 'Butterscotch Kiss' (TB)

Iris 'Caesar's Brother' (Sib)

Iris 'Chantilly' (TB)

Iris 'Chartreuse Bounty' (Sib)

Iris 'Cherry Garden' (SDB)

Iris chrysographes 'Black Knight'

Iris 'Colorific' (La)

Iris 'Constant Wattez' (IB)

Iris cristata

Iris 'Dance Ballerina Dance' (Sib)

Iris 'Dear Delight' (Sib)

Iris 'Deep Black' (TB)

Iris 'Edward of Windsor' (TB)

Iris 'English Cottage' (TB)

Iris ensata

Iris ensata 'Caprician Butterfly'

Iris ensata 'Gracieuse'

Iris ensata 'Innocence'

Iris ensata 'Jitsugetsu'

Iris ensata 'Katy Mendez'

Iris ensata 'Kogesho'

Iris ensata 'Kongo San'

Iris ensata 'Lady in Waiting'

Iris ensata 'Oriental Eyes'

Iris ensata 'Pin Stripe'

Iris ensata 'Prairie Frost'

Iris ensata 'Rakka-no-utage'

Iris ensata 'Sensation'

Iris ensata 'Umi-kaze'

Iris ensata 'Variegata' (v)

Iris ensata 'Yamato Hime'

Iris foetidissima

Iris foetidissima var. citrina

Iris 'Frost and Flame' (TB)

Iris 'Golden Edge' (Sib)

Iris 'Green Spot' (SDB)

Iris 'Gull's Wing' (Sib)

Iris 'Harriette Halloway' (TB)

Iris 'Jane Phillips' (TB)

Iris japonica

Iris 'Joanna' (TB)

Iris 'Katharine Hodgkin' (Reticulata)

Iris laevigata 'Snowdrift'

Iris 'Louvois' (TB)

Iris 'Maui Moonlight' (IB)

Iris 'Memphis Memory' (Sib)

Iris 'Nel Jupe' (TB)

Iris 'Ola KalĂĄ' (TB)

Iris pallida 'Argentea Variegata' (TB/v)

Iris 'Party Dress' (TB)

Iris 'Petite Polka' (SDB)

Iris pseudacorus

Iris pseudacorus 'CrĂšme de la CrĂšme'

Iris pseudacorus 'Flore Pleno' (d)

Iris pseudacorus 'Roy Davidson'

Iris pseudacorus 'Sulphur Queen'

Iris pseudacorus 'Variegata' (v)

Iris 'Quechee' (TB)

Iris 'Rikugi-sakura' (Sib)

Iris 'Roaring Jelly' (Sib)

Iris 'Ruffled Velvet' (Sib)

Iris 'Sable' (TB)

Iris 'Salonique' (TB)

Iris sanguinea 'Snow Queen'

Iris 'Senlac' (TB)

Iris setosa alba

Iris 'Silver Edge' (Sib)

Iris 'Sparkling Rose' (Sib)

Iris unguicularis

Iris 'Welcome Return' (Sib)

Iris 'White Swirl' (Sib)

Isotoma fluviatilis

Itea ilicifolia

Itea virginica 'Henry's Garnet'

Itea virginica [Little Henry] = 'Sprich' (PBR)

Itea virginica 'Long Spire'

Itea virginica 'Merlot'

Itea virginica 'Sarah Eve'

Itea virginica 'Saturnalia'

Itea yunnanensis

Jamesia americana

Jasione laevis 'Blaulicht'

Jasminum beesianum

Jasminum humile 'Revolutum'

Jasminum nudiflorum

Jasminum nudiflorum 'Aureum'

Jasminum officinale

Jasminum officinale 'Devon Cream' (PBR)

Jasminum officinale [Fiona Sunrise] = 'Frojas' (PBR)

Jasminum parkeri

Jasminum × stephanense

Juniperus chinensis 'Shimpaku'

Juniperus communis 'Barton'

Juniperus communis 'Corielagan'

Juniperus communis 'Gold Cone'

Juniperus communis 'Goldschatz'

Juniperus communis 'Green Carpet'

Juniperus communis 'Hibernica'

Juniperus communis 'Horstmann'

Juniperus communis 'Schneverdingen Goldmachangel'

Juniperus communis 'Sieben Steinhauser'

Juniperus davurica 'Leningrad'

Juniperus horizontalis 'Andorra Compact'

Juniperus horizontalis 'Golden Carpet'

Juniperus horizontalis [Icee Blue] = 'Monber'

Juniperus horizontalis 'Limeglow'

Juniperus horizontalis 'Pancake'

Juniperus × pfitzeriana 'Arctic'

Juniperus pingii 'Glassell'

Juniperus pingii 'Hulsdonk Yellow' (PBR)

Juniperus pingii var. wilsonii

Juniperus procumbens 'Kishiogima'

Juniperus procumbens 'Nana'

Juniperus recurva 'Castlewellan'

Juniperus recurva var. coxii

Juniperus rigida subsp. conferta 'All Gold'

Juniperus rigida subsp. conferta 'Blue Pacific'

Juniperus rigida subsp. conferta 'Blue Tosho'

Juniperus scopulorum 'Blue Arrow'

Juniperus squamata 'Blue Carpet'

Juniperus squamata 'Blue Star'

Juniperus squamata 'Dream Joy'

Juniperus squamata 'Holger'

Juniperus virginiana 'Hetzii'

Kadsura japonica 'Fukurin' (v)

Kadsura japonica white fruit

Kalimeris incisa 'Alba'

Kalimeris incisa 'Blue Star'

Kalimeris yomena 'Shogun' (v)

Kalmia angustifolia f. rubra

Kalmia latifolia 'Bullseye'

Kalmia latifolia 'Carousel'

Kalmia latifolia 'Minuet'

Kalmia latifolia f. myrtifolia 'Elf'

Kalmia latifolia 'Olympic Fire'

Kalmia latifolia 'Olympic Wedding'

Kalmia latifolia 'Pinwheel'

Kalopanax septemlobus

Kalopanax septemlobus f. maximowiczii

Kirengeshoma palmata

Kirengeshoma palmata Koreana Group

Knautia arvensis

Knautia macedonica

Knautia macedonica 'Mars Midget'

Knautia macedonica Melton pastels

Knautia macedonica 'Thunder and Lightning' (v)

Kniphofia 'Bees' Lemon'

Kniphofia 'Bees' Sunset'

Kniphofia 'Border Ballet'

Kniphofia citrina

Kniphofia 'Dingaan'

Kniphofia 'Dorset Sentry'

Kniphofia 'Green Jade'

Kniphofia 'Ice Queen'

Kniphofia 'Jenny Bloom'

Kniphofia 'John Benary'

Kniphofia 'Little Maid'

Kniphofia 'Mango Popsicle' (Popsicle Series)

Kniphofia 'Nancy's Red'

Kniphofia 'Painted Lady'

Kniphofia 'Percy's Pride'

Kniphofia 'Pineapple Popsicle' (Popsicle Series)

Kniphofia rooperi

Kniphofia 'Royal Standard'

Kniphofia 'Samuel's Sensation' Samuel

Kniphofia 'Tawny King'

Kniphofia 'Tetbury Torch' (PBR)

Kniphofia 'Timothy'

Kniphofia 'Toffee Nosed'

Kniphofia triangularis subsp. triangularis 'Light of the World'

Kniphofia 'Vanilla'

Kniphofia 'Vincent Lepage'

Kniphofia 'Wol's Red Seedling'

Koeleria macrantha

Koelreuteria paniculata 'Coral Sun' (PBR)

Koelreuteria paniculata 'Rosseels'

Kolkwitzia amabilis [Dream Catcher] = 'Maradco'

Kolkwitzia amabilis 'Pink Cloud'

+ Laburnocytisus 'Adamii'

Laburnum × watereri 'Vossii'

Lactuca perennis

Lamium maculatum [Pink Chablis] = 'Checkin' (PBR)

Lamium maculatum 'Pink Pearls'

Lamium maculatum 'Pink Pewter'

Lamium maculatum 'White Nancy'

Lamium maculatum 'Wootton Pink'

Lamium orvala

Lamium orvala 'Album'

Lamprocapnos spectabilis

Lamprocapnos spectabilis 'Alba'

Lamprocapnos spectabilis 'Gold Heart' (PBR)

Lamprocapnos spectabilis 'Valentine'

Larix decidua 'Horstmann Recurved'

Larix decidua 'Krejci'

Larix decidua 'Little Bogle'

Larix decidua 'Nukwitz'

Larix decidua 'Oberförster Karsten'

Larix decidua 'Puli'

Larix decidua 'Roman'

Larix kaempferi 'Blue Ball'

Larix kaempferi 'Diana'

Larix kaempferi 'Grey Pearl'

Larix kaempferi 'Jakobsen'

Larix kaempferi 'Paper Lanterns'

Larix kaempferi 'Stiff Weeping'

Larix kaempferi 'Wolterdingen'

Lathyrus grandiflorus

Lathyrus latifolius 'Red Pearl'

Lathyrus latifolius 'Rosa Perle'

Lathyrus latifolius 'White Pearl'

Lathyrus linifolius

Lathyrus vernus

Lathyrus vernus 'Alboroseus'

Lathyrus vernus 'Gracilis'

Laureliopsis philippiana

Laurus nobilis

Laurus nobilis f. angustifolia

Laurus nobilis 'Aurea'

Lavandula angustifolia

Lavandula angustifolia [Blue Ice] = 'Dow3' (PBR)

Lavandula angustifolia 'Hidcote'

Lavandula angustifolia 'Lavenite Petite' (PBR)

Lavandula angustifolia [Little Lady] = 'Batlad'

Lavandula angustifolia [Melissa Lilac] = 'Dow4' (PBR)

Lavandula angustifolia 'Miss Katherine' (PBR)

Lavandula angustifolia 'Munstead'

Lavandula × christiana

Lavandula 'Fathead'

Lavandula 'Helmsdale' (PBR)

Lavandula × intermedia 'Grosso'

Lavandula × intermedia 'Twickel Purple'

Lavandula stoechas [Lilac Wings] = 'Prolil' (PBR)

Lavandula [Tiara] = 'Fair 10' (PBR)

Lavatera × clementii 'Barnsley'

Lavatera × clementii 'Barnsley Baby'

Lavatera × clementii 'Blushing Bride'

Lavatera × clementii 'Bredon Springs'

Lavatera × clementii 'Burgundy Wine'

Lavatera × clementii 'Candy Floss'

Lavatera × clementii [Memories] = 'Stelav'

Lavatera olbia 'Eye Catcher'

Lavatera 'Sweet Dreams' (PBR)

Lavatera thuringiaca [Red Rum] = 'Rigrum' (PBR)

Lavatera 'White Angel' (PBR)

Lavatera 'White Satin' (PBR)

Leiophyllum buxifolium

Leontopodium ochroleucum var. campestre

Leptinella potentillina

Leptinella squalida

Leptinella squalida 'Platt's Black'

Leptospermum 'Silver Sheen'

Lespedeza buergeri

Lespedeza thunbergii 'Avalanche'

Lespedeza thunbergii subsp. thunbergii 'Edo-shibori'

Leucanthemella serotina 'Herbststern'

Leucanthemum × superbum 'Aglaia' (d)

Leucanthemum × superbum 'Alaska'

Leucanthemum × superbum 'Amelia'

Leucanthemum × superbum 'Antwerp Star'

Leucanthemum × superbum 'BeautĂ© Nivelloise'

Leucanthemum × superbum 'Becky'

Leucanthemum × superbum 'Christine Hagemann'

Leucanthemum × superbum 'Crazy Daisy'

Leucanthemum × superbum 'Dwarf Snow Lady'

Leucanthemum × superbum 'Engelina' (PBR)

Leucanthemum × superbum 'Esther Read' (d)

Leucanthemum × superbum 'Fiona Coghill' (d)

Leucanthemum × superbum 'Goldrausch' (PBR)

Leucanthemum × superbum 'Snowdrift'

Leucanthemum × superbum 'Sunny Side Up' (PBR)

Leucanthemum × superbum 'Victorian Secret'

Leucanthemum vulgare 'Maikönigin'

Leucojum aestivum 'Gravetye Giant'

Leucothoe axillaris 'Curly Red' (PBR)

Leucothoe [Carinella] = 'Zebekot'

Leucothoe davisiae

Leucothoe fontanesiana 'Rainbow' (v)

Leucothoe fontanesiana [Whitewater] = 'Howw' (PBR) (v)

Leucothoe keiskei 'Royal Ruby'

Leucothoe [Lovita] = 'Zebonard'

Leucothoe [Scarletta] = 'Zeblid'

Lewisia cotyledon 'Fransi'

Lewisia cotyledon Sunset Group

Lewisia 'Little Plum'

Leycesteria crocothyrsos

Leycesteria formosa

Leycesteria formosa [Golden Lanterns] = 'Notbruce' (PBR)

Leycesteria formosa 'Purple Rain'

Liatris mucronata

Liatris pycnostachya

Liatris spicata

Liatris spicata 'Alba'

Liatris spicata 'Floristan Violett'

Liatris spicata 'Floristan Weiss'

Liatris spicata 'Kobold'

Libertia grandiflora

Ligularia 'Britt Marie Crawford' (PBR)

Ligularia dentata

Ligularia dentata 'Desdemona'

Ligularia dentata 'Midnight Lady'

Ligularia dentata 'Osiris Fantaisie' (v)

Ligularia dentata 'Othello'

Ligularia 'Gold Torch'

Ligularia 'Gregynog Gold'

Ligularia × hessei

Ligularia japonica

Ligularia japonica 'Rising Sun'

Ligularia 'Little Rocket' (PBR)

Ligularia 'Osiris Café Noir'

Ligularia przewalskii

Ligularia sibirica

Ligularia stenocephala

Ligularia 'The Rocket'

Ligularia vorobievii

Ligularia 'Zepter'

Ligustrum ibota

Ligustrum japonicum 'Korea Dwarf'

Ligustrum japonicum 'Rotundifolium'

Ligustrum japonicum 'Silver Star' (v)

Ligustrum japonicum 'Texanum'

Ligustrum lucidum

Ligustrum ovalifolium

Ligustrum ovalifolium 'Aureum' (v)

Ligustrum quihoui

Ligustrum tschonoskii

Ligustrum undulatum 'Lemon Lime and Clippers'

Lilium candidum (IXb/a)

Lilium 'Casa Blanca' (VIIb/b-c)

Lilium henryi (IXc/d)

Lilium martagon (IXc/d)

Lilium 'Mona Lisa' (VIIb/b-c)

Lilium regale (IXb/a)

Lilium regale 'Album' (IXb/a)

Lilium 'Venezuela' (PBR) (VIIa-b/b-c)

Lindera benzoin

Lindera reflexa

Linum perenne

Linum perenne 'Album'

Linum perenne 'Blau Saphir'

Linum perenne 'Himmelszelt'

Linum perenne 'Nanum Diamond'

Liquidambar acalycina

Liquidambar acalycina 'Burgundy Flush'

Liquidambar formosana 'Afterglow'

Liquidambar formosana 'Ellen'

Liquidambar orientalis 'M. Foster'

Liquidambar styraciflua 'Andrew Hewson'

Liquidambar styraciflua 'Gum Ball'

Liquidambar styraciflua [Happidaze] = 'Hapdell'

Liquidambar styraciflua 'Jennifer Carol'

Liquidambar styraciflua 'Lane Roberts'

Liquidambar styraciflua 'Moonbeam' (v)

Liquidambar styraciflua 'Naree'

Liquidambar styraciflua 'Oconee'

Liquidambar styraciflua 'Paarl' (v)

Liquidambar styraciflua 'Penwood'

Liquidambar styraciflua 'Silver King' (v)

Liquidambar styraciflua 'Slender Silhouette'

Liquidambar styraciflua 'Stared'

Liquidambar styraciflua 'Woorby Rose'

Liquidambar styraciflua 'Worplesdon'

Liriodendron 'Chapel Hill'

Liriodendron 'Doc Deforce's Delight'

Liriodendron tulipifera

Liriodendron tulipifera 'Ardis'

Liriodendron tulipifera 'Aureomarginatum' (v)

Liriodendron tulipifera 'Fastigiatum'

Liriodendron tulipifera 'Glen Gold'

Liriodendron tulipifera 'Heltorf'

Liriodendron tulipifera 'Integrifolium'

Liriodendron tulipifera 'Roodhaan'

Liriope muscari

Liriope muscari 'Big Blue'

Liriope muscari 'John Burch' (v)

Liriope muscari 'Monroe White'

Liriope muscari 'Okina' (v)

Liriope muscari 'Royal Purple'

Lithodora diffusa 'Heavenly Blue'

Lithodora diffusa 'Picos'

Lithodora diffusa 'Star' (PBR)

Lobelia cardinalis

Lobelia cardinalis 'Elmfeuer'

Lobelia cardinalis 'Queen Victoria'

Lobelia × speciosa 'Fan Burgundy' (Fan Series)

Lobelia × speciosa 'Fan Scharlach' (Fan Series)

Lobelia tupa

Lomatia fraseri

Lomatia myricoides

Lomatia tinctoria

Lonicera alberti

Lonicera alseuosmoides

Lonicera × americana (Miller) K. Koch

Lonicera × brownii 'Dropmore Scarlet'

Lonicera caerulea 'Atut'

Lonicera caerulea 'Duet'

Lonicera caerulea var. kamtschatica

Lonicera caerulea var. kamtschatica 'Fialka' (PBR)

Lonicera caerulea 'Kirke'

Lonicera caerulea var. longifolia

Lonicera caprifolium

Lonicera crassifolia

Lonicera crassifolia 'Little Honey'

Lonicera deflexicalyx

Lonicera elisae

Lonicera etrusca 'Donald Waterer'

Lonicera etrusca 'Superba'

Lonicera 'Fire Cracker'

Lonicera fragrantissima

Lonicera glabrata

Lonicera × heckrottii

Lonicera × heckrottii 'Gold Flame' ambig.

Lonicera henryi 'Copper Beauty' (PBR)

Lonicera hildebrandiana

Lonicera involucrata var. ledebourii

Lonicera involucrata var. ledebourii 'Vian'

Lonicera japonica 'Cream Cascade'

Lonicera japonica 'Dart's World'

Lonicera japonica 'Halliana'

Lonicera japonica 'Horwood Gem' (v)

Lonicera japonica 'Maskerade' (v)

Lonicera japonica 'Mint Crisp' (PBR) (v)

Lonicera japonica 'Princess Kate'

Lonicera japonica var. repens

Lonicera korolkowii

Lonicera korolkowii 'Blue Velvet'

Lonicera maackii

Lonicera maackii f. podocarpa

Lonicera 'Mandarin'

Lonicera maximowiczii var. sachalinensis

Lonicera myrtillus

Lonicera nitida 'Baggesen's Gold'

Lonicera nitida 'Lemon Beauty' (v)

Lonicera periclymenum 'Belgica'

Lonicera periclymenum 'Graham Thomas'

Lonicera periclymenum 'Heaven Scent'

Lonicera periclymenum 'Red Gables'

Lonicera periclymenum 'Scentsation' (PBR)

Lonicera periclymenum 'Serotina'

Lonicera × purpusii 'Winter Beauty'

Lonicera ramosissima

Lonicera reticulata 'Silver'

Lonicera 'Simonet'

Lonicera standishii 'Budapest'

Lonicera syringantha

Lonicera tatarica 'Arnold Red'

Lonicera tragophylla

Lonicera xylosteum

Lophomyrtus × ralphii 'Kathryn'

Lophomyrtus × ralphii Logan's form (v)

Luma apiculata

Luma chequen

Lupinus arboreus

Lupinus chamissonis

Lupinus 'Chandelier' (Band of Nobles Series)

Lupinus 'Gallery Blue' (Gallery Series)

Lupinus 'Gallery Pink' (Gallery Series)

Lupinus 'Gallery Red' (Gallery Series)

Lupinus 'Gallery White' (Gallery Series)

Lupinus 'Gallery Yellow' (Gallery Series)

Lupinus 'My Castle' (Band of Nobles Series)

Lupinus 'Noble Maiden' (Band of Nobles Series)

Lupinus 'The Chatelaine' (Band of Nobles Series)

Lupinus 'The Governor' (Band of Nobles Series)

Lupinus 'The Page' (Band of Nobles Series)

Luzula nivea

Lychnis chalcedonica

Lychnis chalcedonica 'Pinkie'

Lychnis chalcedonica 'Rauhreif'

Lychnis coronaria

Lychnis coronaria 'Alba'

Lychnis coronaria 'Angel's Blush'

Lychnis flos-cuculi

Lychnis flos-cuculi var. albiflora

Lychnis flos-cuculi 'Nana'

Lychnis flos-jovis

Lychnis flos-jovis 'Peggy'

Lychnis × haageana

Lychnis 'Molten Lava'

Lychnis viscaria 'Feuer'

Lychnis viscaria 'Schnee'

Lycium barbarum

Lyonia mariana

Lysichiton americanus

Lysichiton camtschatcensis

Lysimachia ciliata

Lysimachia ciliata 'Firecracker'

Lysimachia clethroides

Lysimachia ephemerum

Lysimachia nummularia 'Aurea'

Lysimachia punctata 'Alexander' (v)

Lysimachia punctata [Golden Alexander] = 'Walgoldalex' (PBR) (v)

Lythrum anceps

Lythrum salicaria 'Blush'

Lythrum salicaria 'Lady Sackville'

Lythrum salicaria 'Morden Pink'

Lythrum salicaria 'Robert'

Lythrum salicaria 'Swirl'

Lythrum salicaria 'The Beacon'

Lythrum salicaria 'Zigeunerblut'

Maackia amurensis

Maackia hupehensis

Macleaya microcarpa 'Kelway's Coral Plume'

Maclura pomifera

Maclura pomifera 'Naughty Boy'

Maclura pomifera 'Pretty Woman'

Maddenia hypocleuca

Magnolia acuminata 'Kinju'

Magnolia acuminata 'Moegi Dori'

Magnolia acuminata var. subcordata

Magnolia 'Advance'

Magnolia 'Apricot Brandy'

Magnolia 'Banana Split'

Magnolia 'Betty'

Magnolia biondii

Magnolia [Black Tulip] = 'Jurmag1' (PBR)

Magnolia × brooklynensis 'Evamaria'

Magnolia × brooklynensis 'Woodsman'

Magnolia × brooklynensis 'Yellow Bird'

Magnolia 'Butterflies'

Magnolia 'Charles Coates'

Magnolia 'Columnar Pink'

Magnolia 'Daphne'

Magnolia denudata [Yellow River] = 'Fei Huang'

Magnolia 'Elizabeth'

Magnolia ernestii

Magnolia 'Eternal Flames'

Magnolia 'Full Eclipse'

Magnolia 'Galaxy'

Magnolia 'Genie' (PBR)

Magnolia 'George Henry Kern'

Magnolia 'Gold Star'

Magnolia grandiflora

Magnolia grandiflora 'Blanchard'

Magnolia grandiflora 'Edith Bogue'

Magnolia grandiflora 'Exmouth'

Magnolia grandiflora 'Ferruginea'

Magnolia grandiflora 'Victoria'

Magnolia 'Heaven Scent'

Magnolia 'Hot Flash'

Magnolia 'Joe McDaniel'

Magnolia 'Judy Zuk'

Magnolia kobus

Magnolia 'Leda'

Magnolia liliiflora 'Nigra'

Magnolia × loebneri 'Ballerina'

Magnolia × loebneri 'Leonard Messel'

Magnolia × loebneri 'Merrill'

Magnolia × loebneri 'Wildcat'

Magnolia 'Lombardy Rose'

Magnolia lotungensis

Magnolia macrophylla

Magnolia 'March Til Frost'

Magnolia maudiae

Magnolia obovata Thunb.

Magnolia officinalis

Magnolia officinalis var. biloba

Magnolia × proctoriana Gloster form

Magnolia 'Ruby'

Magnolia sargentiana var. robusta

Magnolia 'Satisfaction'

Magnolia [Shirazz] = 'Vulden'

Magnolia sieboldii

Magnolia sieboldii subsp. sinensis

Magnolia 'Solar Flair'

Magnolia × soulangeana

Magnolia × soulangeana 'Alba Superba'

Magnolia × soulangeana 'Alexandrina'

Magnolia × soulangeana 'Lennei'

Magnolia × soulangeana 'San JosĂ©'

Magnolia 'Spectrum'

Magnolia sprengeri var. diva

Magnolia stellata

Magnolia stellata 'Centennial'

Magnolia stellata 'Rosea'

Magnolia stellata 'Royal Star'

Magnolia stellata 'Water Lily'

Magnolia 'Sundance'

Magnolia 'Sunspire'

Magnolia 'Susan'

Magnolia × thompsoniana

Magnolia tripetala

Magnolia 'Ultimate Yellow'

Magnolia virginiana

Magnolia virginiana var. australis 'Satellite'

Magnolia wilsonii

× Mahoberberis aquisargentii

× Mahoberberis 'Dart's Desire'

Mahonia aquifolium 'Apollo'

Mahonia aquifolium 'Atropurpurea'

Mahonia aquifolium 'Green Ripple'

Mahonia aquifolium 'Mirena'

Mahonia aquifolium 'Orange Flame'

Mahonia aquifolium 'Smaragd'

Mahonia eurybracteata subsp. ganpinensis 'Soft Caress'

Mahonia fortunei 'Winter Prince'

Mahonia gracilipes

Mahonia japonica Bealei Group

Mahonia japonica 'Gold Dust'

Mahonia × lindsayae 'Cantab'

Mahonia × media 'Arthur Menzies'

Mahonia × media 'Buckland'

Mahonia × media 'Charity'

Mahonia × media 'Winter Sun'

Mahonia nervosa

Mahonia oiwakensis

Mahonia pinnata 'Ken S. Howard'

Mahonia repens

Mahonia × savilliana

Mahonia × wagneri 'Aldenhamensis'

Mahonia × wagneri 'Hastings Elegant'

Mahonia × wagneri 'Moseri'

Mahonia × wagneri 'Pinnacle'

Mahonia × wagneri 'Sunset'

Maianthemum bifolium subsp. kamtschaticum

Maianthemum racemosum

Maianthemum stellatum

Malus brevipes 'Wedding Bouquet'

Malus domestica 'Bramley's Seedling' (C)

Malus domestica 'Bramley's Seedling' clone 20 (F)

Malus domestica 'Charles Ross' (C/D)

Malus domestica 'Cox's Selfing' (D)

Malus domestica 'Discovery' (D)

Malus domestica 'Fiesta' (PBR) (D)

Malus domestica 'Grenadier' (C)

Malus domestica 'Herefordshire Russet' (PBR) (D)

Malus domestica 'James Grieve' (D)

Malus domestica 'Jonagold' (D)

Malus domestica 'Katja' (D)

Malus domestica 'Keswick Codlin' (C)

Malus domestica 'Limelight' (D)

Malus domestica 'Red Devil' (D)

Malus domestica 'Red Falstaff' (PBR) (D)

Malus domestica 'Red Windsor' (D)

Malus domestica 'Scrumptious' (PBR) (D)

Malus domestica 'Spartan' (D)

Malus domestica 'Worcester Pearmain' (D)

Malus 'Donald Wyman'

Malus floribunda

Malus 'Indian Magic'

Malus [Jelly King] = 'Mattfru'

Malus 'Laura'

Malus × micromalus

Malus × moerlandsii 'Liset'

Malus 'Pink Glow'

Malus × robusta 'Red Sentinel'

Malus sylvestris

Malus toringo 'Scarlett'

Malus transitoria

Malus × zumi 'Golden Hornet'

Malva moschata

Malva moschata f. alba

Malva sylvestris [Marina] = 'Dema' (PBR)

Matteuccia orientalis

Matteuccia struthiopteris

Maytenus boaria

Mazus reptans

Mazus reptans 'Albus'

Meconopsis baileyi

Meconopsis × cookei 'Old Rose'

Meconopsis (Fertile Blue Group) 'Lingholm'

Meconopsis napaulensis misapplied

Meconopsis × sheldonii ambig.

Melianthus comosus

Melianthus major

Melicytus obovatus

Meliosma veitchiorum

Menispermum dauricum

Mentha 'Chocolate Peppermint'

Mentha × gracilis

Mentha × piperita black peppermint

Mentha × piperita f. citrata

Mentha × piperita 'Swiss'

Mentha spicata var. crispa 'Moroccan'

Mentha spicata 'Spanish'

Mentha × villosa var. alopecuroides Bowles's mint

Mertensia maritima

Mertensia virginica

Mespilus germanica (F)

Metasequoia glyptostroboides

Metasequoia glyptostroboides 'All Bronze'

Metasequoia glyptostroboides 'Chubby' (PBR)

Metasequoia glyptostroboides 'Gold Rush'

Metasequoia glyptostroboides 'Golden Dawn'

Metasequoia glyptostroboides 'Little Creamy'

Metasequoia glyptostroboides 'McCracken's White' (v)

Metasequoia glyptostroboides 'Miss Grace'

Metasequoia glyptostroboides 'Royal Air'

Milium effusum 'Aureum'

Millettia japonica 'Hime Fuji'

Miscanthus sinensis 'Dixieland' (v)

Miscanthus sinensis 'Hinjo' (v)

Miscanthus sinensis 'Kaskade'

Miscanthus sinensis 'Kleine Silberspinne'

Miscanthus sinensis 'Malepartus'

Miscanthus sinensis 'Zebrinus' (v)

Mitraria coccinea

Mitraria coccinea 'Lake Caburgua'

Molinia caerulea subsp. arundinacea

Molinia caerulea subsp. arundinacea 'Karl Foerster'

Molinia caerulea subsp. caerulea 'Edith Dudszus'

Monarda 'Adam'

Monarda 'Beauty of Cobham'

Monarda 'Blaustrumpf'

Monarda 'Cambridge Scarlet'

Monarda 'Croftway Pink'

Monarda didyma 'Alba'

Monarda didyma 'Cranberry Lace' (PBR)

Monarda didyma 'Pink Lace' (PBR)

Monarda didyma 'Sugar Lace' (PBR)

Monarda 'Elsie's Lavender'

Monarda 'Fireball' (PBR)

Monarda 'Fishes'

Monarda 'Gardenview Scarlet'

Monarda 'Kardinal'

Monarda 'Loddon Crown'

Monarda 'Marshall's Delight'

Monarda 'Melissa'

Monarda 'Ou Charm'

Monarda [Petite Delight] = 'Acpetdel'

Monarda 'Pink Supreme' (PBR)

Monarda 'PrÀrienacht'

Monarda 'Saxon Purple'

Monarda 'Schneewittchen'

Monarda 'Scorpion'

Monarda 'Squaw'

Monarda 'Twins'

Morella pensylvanica

Morina longifolia

Morus alba 'Macrophylla'

Morus alba 'Pendula'

Morus alba var. tatarica

Morus latifolia 'Spirata'

Morus nigra (F)

Morus rubra

Morus rubra 'Nana'

Mukdenia rossii

Mukdenia rossii 'Karasuba'

Muscari armeniacum 'Valerie Finnis'

Muscari aucheri 'Ocean Magic'

Muscari azureum

Muscari latifolium

Muscari muscarimi

Muscari neglectum

Myrica gale

Myricaria germanica

Myrtus communis

Myrtus communis subsp. tarentina

Myrtus communis 'Variegata' (v)

Nandina domestica 'Fire Power'

Nandina domestica 'Gulf Stream'

Nandina domestica 'Harbour Dwarf'

Nandina domestica var. leucocarpa

Nandina domestica 'Richmond'

Nandina domestica 'Sunset'

Nandina domestica 'Wood's Dwarf'

Neillia affinis

Neillia sinensis

Neillia thibetica

Nepeta 'Blue Dragon'

Nepeta buddlejifolium

Nepeta buddlejifolium 'Gold Splash'

Nepeta cataria

Nepeta × faassenii

Nepeta × faassenii 'Alba'

Nepeta grandiflora 'Dawn to Dusk'

Nepeta nervosa

Nepeta nervosa 'Pink Cat'

Nepeta nuda 'Grandiflora'

Nepeta parnassica

Nepeta prattii

Nepeta 'Purple Haze'

Nepeta racemosa 'Grog'

Nepeta racemosa 'Little Titch'

Nepeta racemosa 'Snowflake'

Nepeta racemosa 'Walker's Low'

Nepeta sibirica

Nepeta sibirica 'Souvenir d'André Chaudron'

Nepeta 'Six Hills Giant'

Nepeta subsessilis

Nepeta subsessilis 'Blue Dreams'

Nepeta subsessilis 'Candy Cat'

Nepeta subsessilis 'Cool Cat'

Nepeta subsessilis 'Sweet Dreams'

Nepeta subsessilis 'Washfield'

Neviusia alabamensis

Nierembergia repens

Nipponanthemum nipponicum

Nothofagus antarctica 'Benmore'

Nyssa leptophylla

Nyssa sinensis

Nyssa sinensis 'Jim Russell'

Nyssa sylvatica

Nyssa sylvatica 'Autumn Cascades'

Nyssa sylvatica 'Jermyns Flame'

Nyssa sylvatica 'Miss Scarlet' (f)

Nyssa sylvatica [Red Rage] = 'Haymanred'

Nyssa sylvatica 'Red Red Wine'

Nyssa sylvatica 'Valley Scorcher'

Nyssa sylvatica 'Wisley Bonfire' (m)

Oemleria cerasiformis

Oenothera fruticosa

Oenothera fruticosa subsp. glauca 'Sonnenwende'

Olea europaea (F)

Olearia cheesemanii

Olearia × haastii

Olearia macrodonta

Olearia macrodonta 'Major'

Olearia × mollis 'Zennorensis'

Olearia nummularifolia

Olearia odorata

Olearia × scilloniensis 'Master Michael'

Olearia solandri

Olearia virgata

Olearia virgata var. lineata

Omphalodes cappadocica 'Cherry Ingram'

Omphalodes verna 'Alba'

Omphalodes verna 'Elfenauge'

Onoclea sensibilis

Ophiopogon japonicus 'Minor'

Ophiopogon planiscapus 'Nigrescens'

Origanum vulgare 'Acorn Bank'

Orixa japonica

Orixa japonica 'Variegata' (v)

Orthrosanthus chimboracensis

Osmanthus armatus

Osmanthus × burkwoodii

Osmanthus decorus

Osmanthus decorus 'Angustifolius'

Osmanthus delavayi

Osmanthus heterophyllus

Osmanthus heterophyllus 'Goshiki' (v)

Osmanthus heterophyllus 'Gulftide'

Osmanthus heterophyllus 'Kembu' (v)

Osmanthus heterophyllus 'Myrtifolius'

Osmanthus heterophyllus 'Purpureus'

Osmanthus heterophyllus 'Rotundifolius'

Osmanthus heterophyllus 'Variegatus' (v)

Osmanthus rigidus

Osmanthus serrulatus

Osmanthus suavis

Osmanthus yunnanensis

Osmunda regalis

Osmunda regalis 'Cristata'

Osmunda regalis 'Purpurascens'

Ostrya carpinifolia

Oxalis adenophylla

Oxalis enneaphylla 'Rosea'

Oxalis 'Ione Hecker'

Oxydendrum arboreum

Pachyphragma macrophyllum

Pachysandra procumbens

Pachysandra terminalis

Pachysandra terminalis 'Green Carpet'

Pachysandra terminalis 'Variegata' (v)

Paeonia anomala

Paeonia 'Bartzella' (d)

Paeonia 'Coral Charm'

Paeonia 'Coral Sunset'

Paeonia 'Diana Parks'

Paeonia 'Eden's Perfume'

Paeonia 'Flame'

Paeonia 'Henry Bockstace' (d)

Paeonia 'Joyce Ellen'

Paeonia lactiflora 'Angel Cheeks'

Paeonia lactiflora 'Avalanche'

Paeonia lactiflora 'Big Ben'

Paeonia lactiflora 'Bouchela'

Paeonia lactiflora 'Bowl of Beauty'

Paeonia lactiflora 'Charles' White'

Paeonia lactiflora 'Do Tell'

Paeonia lactiflora 'Duchesse de Nemours'

Paeonia lactiflora 'Edulis Superba'

Paeonia lactiflora 'FĂ©lix Crousse'

Paeonia lactiflora 'Festiva Maxima'

Paeonia lactiflora 'Gardenia'

Paeonia lactiflora 'Gay Paree'

Paeonia lactiflora 'Kansas'

Paeonia lactiflora 'Karl Rosenfield'

Paeonia lactiflora 'Kelway's Glorious'

Paeonia lactiflora 'Krinkled White'

Paeonia lactiflora 'Laura Dessert'

Paeonia lactiflora 'Lotus Queen'

Paeonia lactiflora 'Monsieur Jules Elie'

Paeonia lactiflora 'Mother's Choice'

Paeonia lactiflora 'Nippon Beauty'

Paeonia lactiflora 'Nymphe'

Paeonia lactiflora 'Paul M. Wild'

Paeonia lactiflora 'Pecher'

Paeonia lactiflora 'Peter Brand'

Paeonia lactiflora 'Pillow Talk'

Paeonia lactiflora 'Pink Parfait'

Paeonia lactiflora 'PrimevĂšre'

Paeonia lactiflora 'Raspberry Sundae'

Paeonia lactiflora 'Sante Fe'

Paeonia lactiflora 'Sarah Bernhardt'

Paeonia lactiflora 'Solange'

Paeonia lactiflora 'Sorbet'

Paeonia lactiflora 'Top Brass'

Paeonia lactiflora 'White Cap'

Paeonia lactiflora 'White Wings'

Paeonia lactiflora 'Wladyslawa'

Paeonia ludlowii (S)

Paeonia officinalis 'Alba Plena' (d)

Paeonia officinalis 'Mutabilis Plena' (d)

Paeonia officinalis 'Rubra Plena' (d)

Paeonia peregrina

Paeonia peregrina 'Fire King'

Paeonia peregrina 'Otto Froebel'

Paeonia 'Pink Hawaiian Coral'

Paeonia 'Prairie Moon'

Paeonia rockii (S)

Paeonia 'Shining Light'

Paeonia 'Soshi'

Paeonia tenuifolia

Paeonia veitchii

Paeonia wittmanniana

Paeonia 'Yellow Crown'

Panicum virgatum 'Heavy Metal'

Panicum virgatum 'Prairie Sky'

Papaver 'Matador' (PBR)

Papaver nudicaule 'Pacino'

Papaver orientale 'Bolero'

Papaver orientale 'Burning Heart'

Papaver orientale 'Casino' (PBR)

Papaver orientale 'Eyecatcher'

Papaver orientale 'Fancy Feathers' (PBR)

Papaver orientale 'Forncett Summer'

Papaver orientale 'Karine'

Papaver orientale 'King Kong'

Papaver orientale 'Lady Frederick Moore'

Papaver orientale 'Little Patty Plum' (PBR)

Papaver orientale 'May Queen' (d)

Papaver orientale 'May Sadler'

Papaver orientale 'Miss Piggy' (PBR)

Papaver orientale 'Papillon' (PBR)

Papaver orientale 'Patty's Plum'

Papaver orientale 'Perry's White'

Papaver orientale 'Picotée'

Papaver orientale 'Pink Ruffles' (PBR)

Papaver orientale 'Prinzessin Victoria Louise'

Papaver orientale 'Queen Alexandra'

Papaver orientale 'Raspberry Queen'

Papaver orientale 'Royal Chocolate Distinction'

Papaver orientale 'Royal Wedding'

Papaver orientale 'TĂŒrkenlouis'

Papaver orientale 'Watermelon'

Paris polyphylla

Paris quadrifolia

Parrotia persica

Parrotia persica 'Biltmore'

Parrotia persica 'Burgundy'

Parrotia persica 'Felicie'

Parrotia persica 'Globosa'

Parrotia persica 'Het Plantsoen'

Parrotia persica 'Jodrell Bank'

Parrotia persica 'Persian Carpet'

Parrotia persica 'Vanessa'

Parrotia subaequalis

Parrotiopsis jacquemontiana

Parthenocissus henryana

Parthenocissus inserta ambig.

Parthenocissus laetevirens

Parthenocissus quinquefolia

Parthenocissus quinquefolia [Star Showers] = 'Monham' (v)

Parthenocissus tricuspidata 'Beverley Brook'

Parthenocissus tricuspidata 'Fenway Park'

Parthenocissus tricuspidata 'Green Spring'

Parthenocissus tricuspidata 'Lowii'

Parthenocissus tricuspidata 'Veitchii'

Passiflora caerulea

Passiflora caerulea 'Clear Sky' (PBR)

Passiflora caerulea 'Constance Eliott'

Passiflora [Eden] = 'Hil Pas Eden'

Passiflora 'Purple Haze'

Passiflora × violacea 'Sabin'

Passiflora × violacea 'Victoria'

Patrinia gibbosa

Patrinia scabiosifolia

Paulownia catalpifolia

Paulownia elongata

Paulownia tomentosa

Peltoboykinia watanabei

Pennisetum alopecuroides 'Hameln'

Pennisetum alopecuroides 'Little Bunny'

Pennisetum alopecuroides 'Little Honey' (v)

Penstemon 'Abbotsmerry'

Penstemon 'Blackbird'

Penstemon 'Charles Rudd'

Penstemon digitalis 'Husker Red'

Penstemon 'Flamingo'

Penstemon heterophyllus 'Catherine de la Mare'

Penstemon heterophyllus 'Heavenly Blue'

Penstemon 'King George V'

Penstemon 'Pensham Amelia Jane'

Penstemon 'Pensham Capricorn Moon'

Penstemon 'Pensham Charlotte Louise'

Penstemon 'Pensham Laura'

Penstemon 'Pensham Plum Jerkum'

Penstemon 'Pensham Wedding Day'

Penstemon 'Sour Grapes' M. Fish

Penstemon 'Strawberries and Cream' (Ice Cream Series)

Perovskia 'Blue Spire'

Perovskia 'Little Spire' (PBR)

Persicaria affinis 'Darjeeling Red'

Persicaria affinis 'Kabouter'

Persicaria affinis 'Superba'

Persicaria amplexicaulis 'Atrosanguinea'

Persicaria amplexicaulis 'Blackfield' (PBR)

Persicaria amplexicaulis 'Fat Domino' (PBR)

Persicaria amplexicaulis 'Firetail'

Persicaria amplexicaulis 'Jo and Guido's Form'

Persicaria amplexicaulis 'Pink Elephant'

Persicaria amplexicaulis [Taurus] = 'Blotau'

Persicaria bistorta

Persicaria bistorta 'Superba'

Persicaria milletii

Persicaria tenuicaulis

Persicaria vacciniifolia

Persicaria virginiana var. filiformis 'Lance Corporal'

Persicaria weyrichii

Petasites albus

Petasites frigidus var. palmatus

Peucedanum ostruthium 'Daphnis' (v)

Philadelphus 'Atlas' (v)

Philadelphus 'Avalanche'

Philadelphus 'Belle Etoile'

Philadelphus 'Bialy Karzel'

Philadelphus 'Bouquet Blanc'

Philadelphus coronarius 'Aureus'

Philadelphus coronarius 'Variegatus' (v)

Philadelphus 'Dame Blanche' (d)

Philadelphus delavayi

Philadelphus 'Erectus'

Philadelphus 'Frosty Morn' (d)

Philadelphus 'Lemon Hill'

Philadelphus maculatus 'Mexican Jewel'

Philadelphus 'Manteau d'Hermine' (d)

Philadelphus 'Marjorie'

Philadelphus microphyllus var. occidentalis

Philadelphus 'Minnesota Snowflake' (d)

Philadelphus 'Mont Blanc'

Philadelphus 'Natchez' (d)

Philadelphus pekinensis

Philadelphus 'Polar Star'

Philadelphus purpurascens

Philadelphus schrenkii

Philadelphus sericanthus

Philadelphus 'Silberregen'

Philadelphus 'Snowbelle' (d)

Philadelphus 'Virginal' (d)

Philadelphus 'Voie Lactée'

Philadelphus [White Rock] = 'Pekphil'

Philadelphus 'Yellow Hill'

Phillyrea angustifolia

Phillyrea angustifolia f. rosmarinifolia

Phillyrea latifolia

Phlomis anatolica

Phlomis anatolica 'Lloyd's Variety'

Phlomis chrysophylla

Phlomis 'Edward Bowles'

Phlomis fruticosa

Phlomis longifolia

Phlomis russeliana

Phlomis samia L.

Phlomis tuberosa

Phlox × arendsii 'Hesperis'

Phlox × arendsii 'Utopia'

Phlox carolina 'Bill Baker'

Phlox carolina 'Magnificence'

Phlox carolina 'Miss Lingard'

Phlox divaricata 'Blue Perfume'

Phlox divaricata 'Clouds of Perfume'

Phlox divaricata subsp. laphamii 'Chattahoochee'

Phlox divaricata 'White Perfume'

Phlox douglasii 'Eva'

Phlox douglasii 'Ochsenblut'

Phlox douglasii 'Red Admiral'

Phlox 'Fancy Feelings' (Feelings Series)

Phlox maculata 'Alpha'

Phlox maculata 'Delta'

Phlox maculata 'Natascha'

Phlox maculata 'Omega'

Phlox maculata 'Rosalinde'

Phlox paniculata 'Amethyst' Foerster

Phlox paniculata 'Becky Towe' (PBR) (v)

Phlox paniculata 'Blue Boy'

Phlox paniculata 'Blue Paradise'

Phlox paniculata 'Border Gem'

Phlox paniculata 'Bright Eyes'

Phlox paniculata 'Cecil Hanbury'

Phlox paniculata [Coral Flame] = 'Barsixtytwo' (PBR) (Flame Series)

Phlox paniculata 'Cosmopolitan' (PBR)

Phlox paniculata 'David'

Phlox paniculata 'DĂŒsterlohe'

Phlox paniculata 'Elizabeth Arden'

Phlox paniculata 'Europa'

Phlox paniculata 'Eva Cullum'

Phlox paniculata 'Flamingo'

Phlox paniculata 'Fondant Fancy' (PBR)

Phlox paniculata 'Franz Schubert'

Phlox paniculata 'Harlequin' (v)

Phlox paniculata 'Jade'

Phlox paniculata 'Judy'

Phlox paniculata 'Junior Bouquet'

Phlox paniculata 'Junior Dream'

Phlox paniculata 'Junior Fountain'

Phlox paniculata 'Katarina'

Phlox paniculata 'Katherine'

Phlox paniculata 'KirmeslÀndler'

Phlox paniculata 'Lavendelwolke'

Phlox paniculata 'Lilac Time'

Phlox paniculata 'Little Boy'

Phlox paniculata 'Little Laura'

Phlox paniculata 'Little Princess'

Phlox paniculata 'Lizzy' (PBR)

Phlox paniculata 'Miss Kelly'

Phlox paniculata 'Miss Pepper'

Phlox paniculata 'Monica Lynden-Bell'

Phlox paniculata 'Mount Fuji'

Phlox paniculata 'Natural Feelings' (PBR) (Feelings Series)

Phlox paniculata 'Otley Choice'

Phlox paniculata 'Peppermint Twist'

Phlox paniculata 'Pina Colada' (PBR)

Phlox paniculata 'Prince of Orange'

Phlox paniculata [Purple Eye Flame] = 'Barthirtythree' (PBR)

Phlox paniculata 'Rainbow'

Phlox paniculata 'Red Flame'

Phlox paniculata 'Rijnstroom'

Phlox paniculata 'Septemberglut'

Phlox paniculata 'Starfire'

Phlox paniculata 'Tenor'

Phlox paniculata 'The King'

Phlox paniculata 'Tiara' (PBR) (d)

Phlox paniculata 'Uspekh'

Phlox paniculata 'Watermelon Punch'

Phlox 'Sherbet Cocktail' (PBR)

Phlox subulata 'Bonita'

Phlox subulata 'Emerald Cushion'

Phlox subulata 'McDaniel's Cushion'

Phormium 'Apricot Queen' (v)

Phormium 'Dusky Chief'

Phormium 'Evening Glow' (v)

Phormium 'Pink Panther' (v)

Phormium 'Sundowner' (v)

Phormium tenax Purpureum Group

Photinia beauverdiana var. notabilis

Photinia [Corallina] = 'Bourfrits' (PBR)

Photinia davidiana

Photinia davidiana var. undulata 'Prostrata'

Photinia × fraseri 'Little Red Robin'

Photinia × fraseri 'Red Robin'

Photinia 'Redstart'

Photinia serratifolia

Photinia serratifolia [Curly Fantasy] = 'Kolcurl' (PBR)

Photinia serratifolia 'Jenny'

Photinia 'Super Red'

Photinia villosa f. maximowicziana

Phragmites australis

Phragmites australis subsp. australis 'Variegatus' (v)

Phygelius 'Midas Touch'

Phygelius 'Passionate' (PBR)

Phygelius × rectus 'Devil's Tears'

Phygelius × rectus 'Ivory Twist'

Phygelius × rectus 'Moonraker'

Phygelius × rectus 'Salmon Leap'

Phygelius × rectus [Somerford Funfair Coral] = 'Yapcor' (PBR) (Somerford Funfair Series)

Phygelius × rectus [Somerford Funfair Cream] = 'Yapcre' (PBR) (Somerford Funfair Series)

Phygelius × rectus [Somerford Funfair Orange] = 'Yapor' (PBR) (Somerford Funfair Series)

× Phylliopsis 'Sugar Plum'

Phyllodoce aleutica

Phyllodoce 'Peach'

Phyllostachys arcana 'Luteosulcata'

Phyllostachys aureosulcata f. spectabilis

Phyllostachys bambusoides 'Castillonii'

Phyllostachys nigra

Phyllostachys vivax

Phyllostachys vivax f. aureocaulis

Physalis alkekengi

Physalis alkekengi var. franchetii dwarf

Physalis alkekengi var. franchetii 'Gigantea'

Physalis alkekengi 'Halloween King'

Physalis alkekengi 'Halloween Queen'

Physocarpus opulifolius 'Dart's Gold'

Physocarpus opulifolius [Diable D'Or] = 'Mindia' (PBR)

Physocarpus opulifolius 'Diabolo' (PBR)

Physocarpus opulifolius [Lady in Red] = 'Tuilad' (PBR)

Physostegia virginiana 'Miss Manners'

Physostegia virginiana var. speciosa 'Bouquet Rose'

Physostegia virginiana var. speciosa 'Variegata' (v)

Physostegia virginiana 'Summer Snow'

Physostegia virginiana 'Vivid'

Phytolacca americana

Phytolacca americana 'Silberstein' (v)

Picea abies 'Acrocona'

Picea abies 'Capitata'

Picea abies 'Clanbrassiliana'

Picea abies 'Decumbens'

Picea abies 'Diffusa'

Picea abies 'Dumpy'

Picea abies 'Ellwangeriana'

Picea abies 'Finedonensis'

Picea abies 'Frohburg'

Picea abies 'Gold Drift'

Picea abies 'Hystrix'

Picea abies 'Little Gem'

Picea abies 'Nidiformis'

Picea abies 'Ohlendorffii'

Picea abies 'Pusch'

Picea abies 'Rydal'

Picea abies 'Vermont Gold'

Picea abies 'Walter Bron'

Picea breweriana

Picea glauca 'Blue Planet'

Picea glauca 'Echiniformis'

Picea glauca 'J.W. Daisy's White'

Picea glauca 'Julian Potts Monstrosa'

Picea glauca 'Lilliput'

Picea glauca 'Piccolo'

Picea glauca 'Pixie Dust'

Picea glauca 'Rainbow's End' (v)

Picea glauca 'Sander's Blue'

Picea glauca 'Sleeping Giant'

Picea glauca 'Zuckerhut'

Picea jezoensis

Picea koraiensis

Picea koyamae 'Bedgebury Cascade'

Picea likiangensis

Picea likiangensis var. rubescens

Picea mariana 'Doumetii'

Picea omorika 'Pendula Bruns'

Picea omorika 'Peve Tijn'

Picea omorika 'Pimoko'

Picea omorika 'Treblitsch'

Picea omorika 'Tremonia'

Picea orientalis 'Aurea' (v)

Picea orientalis 'Aureospicata'

Picea orientalis 'Golden Start'

Picea orientalis 'Juwel'

Picea orientalis 'Mount Vernon'

Picea orientalis 'Skylands'

Picea orientalis 'Tom Thumb'

Picea pungens 'Blue Pearl'

Picea pungens 'Edith'

Picea pungens 'Erich Frahm'

Picea pungens 'Frieda'

Picea pungens 'Hoopsii'

Picea pungens 'Iseli Fastigiate'

Picea pungens 'Lucky Strike'

Picea pungens 'Mrs Cesarini'

Picea pungens 'Oldenburg'

Picea pungens 'The Blues'

Picea pungens 'Waldbrunn'

Picea pungens 'Yvette'

Picea rubens

Picea sitchensis 'Christine Berkau'

Picea sitchensis 'Nana'

Picea sitchensis 'Pévé Wiesje'

Picea sitchensis 'Silberzwerg'

Picea sitchensis 'Tenas'

Picea smithiana

Picea wilsonii

Pieris 'Firecrest'

Pieris 'Flaming Silver' (v)

Pieris 'Forest Flame'

Pieris japonica 'Bonfire'

Pieris japonica 'Carnaval' (v)

Pieris japonica 'Cupido'

Pieris japonica 'Debutante'

Pieris japonica 'Dorothy Wyckoff'

Pieris japonica 'Katsura' (PBR)

Pieris japonica 'Little Heath' (v)

Pieris japonica 'Mountain Fire'

Pieris japonica 'Passion' (PBR)

Pieris japonica 'Prelude'

Pieris japonica 'Purity'

Pieris japonica Taiwanensis Group

Pieris japonica 'Valley Rose'

Pieris japonica 'Variegata' ambig.

Pieris japonica var. yakushimensis

Pileostegia viburnoides

Pinellia ternata

Pinus aristata 'Bashful'

Pinus aristata 'Jeff'

Pinus aristata 'Silver Love'

Pinus bungeana 'Diamant'

Pinus cembra 'Aureovariegata' (v)

Pinus cembra 'Compacta Glauca'

Pinus cembra 'David'

Pinus contorta 'Chief Joseph'

Pinus contorta 'Taylor's Sunburst'

Pinus densiflora 'Alice Verkade'

Pinus densiflora 'Golden Ghost'

Pinus densiflora 'Jane Kluis'

Pinus densiflora 'Low Glow'

Pinus densiflora 'Oculus-draconis' (v)

Pinus densiflora 'Umbraculifera'

Pinus densiflora 'Vibrant'

Pinus flexilis 'Blackfoot'

Pinus flexilis 'Cheyenne'

Pinus flexilis 'Extra Blue'

Pinus flexilis 'Firmament'

Pinus flexilis 'Pygmaea'

Pinus flexilis 'Red Elk'

Pinus flexilis 'Vanderwolf's Pyramid'

Pinus heldreichii 'Aureospicata'

Pinus heldreichii 'Satellit'

Pinus heldreichii 'Smidtii'

Pinus koraiensis 'Silveray'

Pinus koraiensis 'Winton'

Pinus monophylla 'Miney'

Pinus monophylla 'Wrinkle'

Pinus monticola 'Ondulata'

Pinus mugo 'Benjamin'

Pinus mugo 'Carsten's Wintergold'

Pinus mugo 'Chameleon'

Pinus mugo 'Gnom'

Pinus mugo 'Golden Glow'

Pinus mugo 'Hana'

Pinus mugo 'Jacobsen'

Pinus mugo 'Kissen'

Pinus mugo 'Ophir'

Pinus mugo 'Picobello'

Pinus mugo 'Piggelmee'

Pinus mugo 'Pincushion'

Pinus mugo 'Sherwood Compact'

Pinus mugo 'Sunshine' (v)

Pinus mugo 'Uelzen'

Pinus mugo 'Varella'

Pinus mugo 'Winter Sun'

Pinus mugo 'Zundert'

Pinus nigra 'Frank'

Pinus nigra 'Green Tower'

Pinus nigra 'Komet'

Pinus nigra subsp. laricio 'Goldfingers'

Pinus nigra subsp. nigra

Pinus nigra 'Obelisk'

Pinus parviflora 'Adcock's Dwarf'

Pinus parviflora 'Aoi'

Pinus parviflora 'Baasch's Form'

Pinus parviflora 'Bergman'

Pinus parviflora 'Blue Lou'

Pinus parviflora 'Bonnie Bergman'

Pinus parviflora 'Dendo'

Pinus parviflora 'Floppy Joe'

Pinus parviflora 'Fukai' (v)

Pinus parviflora 'Goldilocks'

Pinus parviflora 'Gyokusen SĂ€mling'

Pinus parviflora Ishizuchi-goyo Group

Pinus parviflora 'Kobe'

Pinus parviflora 'Nellie D.'

Pinus parviflora 'Ryu-ju'

Pinus parviflora 'Schoon's Bonsai'

Pinus parviflora 'Shin Sen'

Pinus parviflora 'Shirobana'

Pinus parviflora 'Shu-re'

Pinus parviflora 'Tokyo Dwarf'

Pinus parviflora 'Tribune'

Pinus parviflora 'Tsai's Cushion'

Pinus peuce 'Arnold Dwarf'

Pinus ponderosa

Pinus pumila 'Dwarf Blue'

Pinus pumila 'Glauca'

Pinus pumila 'Globe'

Pinus × schwerinii 'Wiethorst'

Pinus strobus 'Anna Fiele'

Pinus strobus 'Blue Shag'

Pinus strobus 'E.R.'

Pinus strobus 'Golden Candles'

Pinus strobus 'Golden Showers'

Pinus strobus 'Green Twist'

Pinus strobus 'Himmelblau'

Pinus strobus 'Horsford'

Pinus strobus 'Julian Pott'

Pinus strobus 'KrĂŒgers Lilliput'

Pinus strobus 'Louie'

Pinus strobus 'Mary Butler'

Pinus strobus 'Minima'

Pinus strobus 'Pacific Sunrise'

Pinus strobus 'Sea Urchin'

Pinus strobus 'Secrest'

Pinus strobus 'Squiggles'

Pinus strobus 'Stowe Pillar'

Pinus strobus 'Tiny Kurls'

Pinus sylvestris

Pinus sylvestris Aurea Group

Pinus sylvestris 'Chantry Blue'

Pinus sylvestris 'Moseri'

Pinus sylvestris 'Perkeo'

Pinus sylvestris 'Troll Guld'

Pinus sylvestris 'Watereri'

Pinus thunbergii 'Ogon'

Pinus thunbergii 'Sayonara'

Pinus thunbergii 'Thunderhead'

Pinus virginiana 'Wate's Golden'

Pinus wallichiana

Pinus wallichiana 'Densa'

Pinus wallichiana 'Nana'

Pinus wallichiana 'Zebrina' (v)

Piptanthus nepalensis

Pittosporum eugenioides 'Variegatum' (v)

Pittosporum 'Garnettii' (v)

Pittosporum tenuifolium 'Elizabeth' (m/v)

Pittosporum tenuifolium 'French Lace'

Pittosporum tenuifolium 'Golden Cut'

Pittosporum tenuifolium 'Irene Paterson' (m/v)

Pittosporum tenuifolium 'Purpureum' (m)

Pittosporum tenuifolium 'Silver Magic' (v)

Pittosporum tenuifolium 'Silver Queen' (f/v)

Pittosporum tenuifolium 'Tom Thumb'

Pittosporum tobira 'Variegatum' (v)

Platycladus orientalis 'Beverleyensis'

Platycladus orientalis 'Franky Boy'

Pleioblastus chino f. elegantissimus

Pleioblastus linearis

Pleioblastus pygmaeus

Pleioblastus pygmaeus 'Distichus'

Pleioblastus simonii

Pleioblastus variegatus 'Tsuboii' (v)

Pleioblastus viridistriatus

Podocarpus 'Autumn Shades' (m)

Podocarpus 'Blaze' (f)

Podocarpus 'Chocolate Box' (f)

Podocarpus 'County Park Fire' (PBR) (f)

Podocarpus 'Flame'

Podocarpus 'Maori Prince' (m)

Podocarpus nivalis 'Kilworth Cream' (v)

Podocarpus nivalis 'Otari' (m)

Podocarpus nivalis 'Trompenburg'

Podocarpus 'Orangeade' (f)

Podocarpus 'Spring Sunshine' (f)

Podocarpus 'Young Rusty' (f)

Podophyllum peltatum

Podophyllum versipelle 'Spotty Dotty' (PBR) (v)

Polemonium 'Blue Pearl'

Polemonium caeruleum

Polemonium caeruleum 'Filigree Clouds'

Polemonium caeruleum 'Filigree Skies'

Polemonium caeruleum 'Snow and Sapphires' (v)

Polemonium carneum

Polemonium carneum 'Apricot Delight'

Polemonium 'Heaven Scent' (PBR)

Polemonium 'Lambrook Mauve'

Polemonium 'Northern Lights'

Polemonium 'Rainbow Magic'

Polemonium reptans 'Stairway to Heaven' (PBR) (v)

Polemonium reptans 'Touch of Class' (PBR) (v)

Polemonium 'Sonia's Bluebell'

Polemonium yezoense var. hidakanum [Bressingham Purple] = 'Polbress'

Polemonium yezoense var. hidakanum 'Purple Rain'

Poliothyrsis sinensis

Polygala chamaebuxus

Polygala chamaebuxus alba

Polygonatum biflorum

Polygonatum cirrhifolium red-flowered

Polygonatum curvistylum

Polygonatum hookeri

Polygonatum humile

Polygonatum multiflorum L.

Polygonatum odoratum

Polygonatum odoratum var. pluriflorum 'Variegatum' (v)

Polygonatum odoratum 'Silver Wings' (v)

Polygonatum verticillatum 'Rubrum'

Polypodium vulgare 'Bifidomultifidum'

Polystichum acrostichoides

Polystichum aculeatum

Polystichum braunii

Polystichum munitum

Polystichum polyblepharum

Polystichum rigens

Polystichum setiferum Congestum Group

Polystichum setiferum (Divisilobum Group) 'Divisilobum Wollaston'

Polystichum setiferum (Divisilobum Group) 'Herrenhausen'

Polystichum setiferum Plumosomultilobum Group

Polystichum tsussimense

Potentilla 'Arc-en-ciel'

Potentilla atrosanguinea var. argyrophylla

Potentilla aurea 'Aurantiaca'

Potentilla 'Coronation Triumph'

Potentilla 'Emilie' (d)

Potentilla 'Esta Ann'

Potentilla 'Etna'

Potentilla 'Fireflame'

Potentilla fissa

Potentilla 'Flambeau' (d)

Potentilla fruticosa 'Abbotswood'

Potentilla fruticosa 'Daydawn'

Potentilla fruticosa 'Glenroy Pinkie'

Potentilla fruticosa 'Grace Darling'

Potentilla fruticosa 'McKay's White'

Potentilla fruticosa 'Medicine Wheel Mountain'

Potentilla fruticosa 'Orangeade'

Potentilla fruticosa 'Pink Queen'

Potentilla fruticosa 'Pretty Polly'

Potentilla fruticosa 'Red Ace'

Potentilla fruticosa 'Tom Conway'

Potentilla 'Gibson's Scarlet'

Potentilla 'Gloire de Nancy' (d)

Potentilla 'Helen Jane'

Potentilla 'Herzblut'

Potentilla × hopwoodiana

Potentilla × hybrida 'Jean Jabber'

Potentilla 'Monsieur Rouillard' (d)

Potentilla 'Mont d'Or'

Potentilla nepalensis 'Miss Willmott'

Potentilla nepalensis 'Ron McBeath'

Potentilla nepalensis 'Roxana'

Potentilla nepalensis 'Shogran'

Potentilla palustris

Potentilla recta var. sulphurea

Potentilla rupestris

Potentilla thurberi

Potentilla thurberi 'Monarch's Velvet'

Potentilla × tonguei

Potentilla 'Versicolor Plena' (d)

Potentilla 'William Rollisson'

Potentilla 'Yellow Queen'

Primula auricula 'Black Jack' (PBR) (Au/d)

Primula auricula 'Gizabroon' (Au/S)

Primula auricula 'Late Romantic' (Au)

Primula auricula 'Shaun' (Au/d)

Primula beesiana (Pf)

Primula [Belarina Butter Yellow] = 'Kerbelbut' (PBR) (Belarina Series) (Pr/Prim/d)

Primula 'Belarina Cobalt Blue' (Belarina Series) (Pr/Prim/d)

Primula 'Belarina Pink Ice' (Belarina Series) (Pr/Prim/d)

Primula × bulleesiana (Pf)

Primula bulleyana (Pf)

Primula chionantha (Cy)

Primula chionantha subsp. sinoplantaginea (Cy)

Primula chionantha subsp. sinopurpurea (Cy)

Primula chungensis × Primula pulverulenta (Pf)

Primula denticulata var. alba (De)

Primula denticulata blue-flowered (De)

Primula denticulata 'Ronsdorf' (De)

Primula denticulata 'Rubin' (De)

Primula 'Don Keefe' (PBR)

Primula 'Drumcliffe'

Primula 'Duchess of York' (Pr/Poly)

Primula elatior (Pr)

Primula flaccida (Mu)

Primula florindae (Si)

Primula florindae Keillour hybrids (Si)

Primula florindae red-flowered (Si)

Primula × forsteri (Au)

Primula 'Francisca' (Pr/Poly)

Primula gemmifera (Ar)

Primula Gold-laced Group (Pr/Poly)

Primula 'Guinevere' (Pr/Poly)

Primula Harlow Car hybrids (Pf)

Primula 'Innisfree'

Primula japonica 'Apple Blossom' (Pf)

Primula japonica 'Miller's Crimson' (Pf)

Primula japonica 'Postford White' (Pf)

Primula 'Lady Greer' (Pr/Poly)

Primula Lissadel hybrids (Pf)

Primula 'MacWatt's Cream' (Pr/Poly)

Primula marginata 'Doctor Jenkins' (Au)

Primula marginata 'Drake's Form' (Au)

Primula marginata 'Prichard's Variety' (Au)

Primula 'Maris Tabbard' (Au)

Primula maximowiczii (Cy)

Primula orbicularis (Cy)

Primula poissonii (Pf)

Primula × pubescens 'Freedom' (Au)

Primula pulverulenta (Pf)

Primula 'Rheniana' (Au)

Primula rosea 'Grandiflora' (Or)

Primula sieboldii 'Blue Lagoon' (Co)

Primula sieboldii 'Carefree' (Co)

Primula sieboldii 'Geisha Girl' (Co)

Primula sieboldii 'Seraphim' (Co)

Primula sieboldii 'Snowflake' (Co)

Primula Silver-laced Group (Pr/Poly)

Primula 'Tie Dye' (Pr/Prim)

Primula veris (Pr)

Primula veris 'Sunset Shades' (Pr)

Primula vialii (So)

Primula vulgaris (Pr/Prim)

Primula waltonii (Si)

Prinsepia sinensis

Prosartes maculata

Prostanthera cuneata

Prunella grandiflora 'Alba'

Prunella grandiflora 'Pagoda'

Prunella grandiflora 'Rubra'

Prunus 'Accolade' (d)

Prunus 'Amanogawa'

Prunus avium

Prunus avium [Celeste] = 'Sumpaca' (PBR) (D)

Prunus avium 'Colney' (F)

Prunus avium 'Early Rivers' (F)

Prunus avium 'Lapins' (F)

Prunus avium 'Plena' (d)

Prunus avium 'Regina' (F)

Prunus avium 'Stella' (F)

Prunus avium 'Summer Sun' (D)

Prunus × blireana (d)

Prunus cerasifera 'Hessei' (v)

Prunus cerasifera 'Nigra'

Prunus cerasus 'Morello' (C)

Prunus domestica 'Czar' (C)

Prunus domestica 'Laxton's Jubilee' (C/D)

Prunus domestica 'Opal' (D)

Prunus domestica 'Victoria' (D)

Prunus [Frilly Frock] = 'Fpmspl' (v)

Prunus incisa 'Kojo-no-mai'

Prunus incisa 'Mikinori'

Prunus incisa 'Oshidori' (d)

Prunus incisa 'Paean'

Prunus incisa f. yamadei

Prunus insititia 'Farleigh Damson' (C)

Prunus insititia 'Merryweather Damson' (C)

Prunus insititia 'Prune Damson' (C)

Prunus 'Kiku-shidare-zakura'

Prunus 'Kursar'

Prunus laurocerasus 'Castlewellan' (v)

Prunus laurocerasus 'Caucasica'

Prunus laurocerasus 'Otto Luyken'

Prunus laurocerasus 'Rotundifolia'

Prunus lusitanica

Prunus 'Matsumae-beni-murasaki'

Prunus 'Matsumae-fuki'

Prunus 'Matsumae-hanagasa'

Prunus mume 'Beni-chidori'

Prunus nipponica var. kurilensis 'Brillant'

Prunus padus

Prunus padus 'Colorata'

Prunus pendula 'Stellata'

Prunus persica 'Amsden June' (F)

Prunus persica 'Peregrine' (F)

Prunus 'Pink Perfection'

Prunus 'Royal Burgundy' (d)

Prunus sargentii

Prunus serotina

Prunus serrula

Prunus serrula 'Branklyn'

Prunus 'Shirotae'

Prunus 'Shizuka'

Prunus 'Shogetsu'

Prunus spinosa

Prunus × subhirtella 'Autumnalis'

Prunus × subhirtella 'Autumnalis Rosea'

Prunus × subhirtella 'Fukubana'

Prunus 'Tai-haku'

Prunus 'Ukon'

Prunus × yedoensis 'Shidare-Yoshino'

Pseudocydonia sinensis

Pseudosasa japonica

Pseudosasa japonica 'Tsutsumiana'

Pseudotsuga menziesii 'Hillside Pride'

Pseudotsuga menziesii 'Idaho Gem'

Pseudowintera colorata

Pseudowintera colorata 'Mount Congreve'

Pseudowintera colorata 'Red Leopard'

Ptelea trifoliata 'Aurea'

Pterocarya stenoptera

Pterostyrax corymbosa

Pterostyrax hispida

Pulmonaria angustifolia 'Azurea'

Pulmonaria 'Blue Ensign'

Pulmonaria 'Coral Springs'

Pulmonaria 'Diana Clare'

Pulmonaria 'Excalibur'

Pulmonaria longifolia

Pulmonaria longifolia 'Bertram Anderson'

Pulmonaria longifolia subsp. cevennensis

Pulmonaria longifolia 'Dordogne'

Pulmonaria 'Majesté'

Pulmonaria officinalis 'White Wings'

Pulmonaria [Opal] = 'Ocupol'

Pulmonaria 'Pink Haze' (PBR)

Pulmonaria 'Raspberry Splash' (PBR)

Pulmonaria rubra 'Barfield Pink'

Pulmonaria rubra 'Bowles's Red'

Pulmonaria rubra 'David Ward' (v)

Pulmonaria rubra 'Redstart'

Pulmonaria saccharata 'Leopard'

Pulmonaria saccharata 'Mrs Moon'

Pulmonaria 'Sissinghurst White'

Pulmonaria 'Spilled Milk'

Pulmonaria 'Stillingfleet Meg'

Pulsatilla vernalis

Pulsatilla vulgaris subsp. grandis 'Papageno'

Pulsatilla vulgaris var. rubra

Pycnanthemum tenuifolium

Pyracantha coccinea 'Red Column'

Pyracantha 'Golden Charmer'

Pyracantha 'Orange Charmer'

Pyracantha [Saphyr Jaune] = 'Cadaune' (PBR)

Pyracantha [Saphyr Orange] = 'Cadange' (PBR)

Pyracantha [Saphyr Rouge] = 'Cadrou' (PBR)

Pyracantha 'Soleil d'Or'

Pyrus calleryana 'Chanticleer'

Pyrus communis 'Beth' (D)

Pyrus communis 'Beurré Hardy' (D)

Pyrus communis 'Concorde' (PBR) (D)

Pyrus communis 'Conference' (D)

Pyrus communis 'Doyenné du Comice' (D)

Pyrus communis [Invincible] = 'Delwinor' (D/C)

Pyrus communis 'Onward' (D)

Pyrus pashia

Pyrus salicifolia 'Pendula'

Quercus acutissima

Quercus coccinea 'Splendens'

Quercus dentata 'Pinnatifida'

Quercus glauca

Quercus × hispanica 'Ambrozyana'

Quercus × hispanica 'Waasland Select'

Quercus ilex

Quercus palustris

Quercus palustris 'Green Dwarf'

Quercus palustris [Green Pillar] = 'Pringreen'

Quercus palustris 'Isabel'

Quercus petraea

Quercus petraea 'Purpurea'

Quercus phellos

Quercus rhysophylla 'Maya'

Quercus robur

Quercus robur 'Concordia'

Quercus rubra

Quercus shumardii

Quercus velutina

Quercus × warei 'Long'

Quercus wislizeni

Ranunculus aconitifolius

Ranunculus aconitifolius 'Flore Pleno' (d)

Ranunculus acris 'Flore Pleno' (d)

Ranunculus ficaria 'Brambling'

Ranunculus ficaria 'Brazen Hussy'

Ranunculus ficaria 'Collarette' (d)

Ranunculus ficaria 'Double Bronze' (d)

Ranunculus ficaria 'Double Mud' (d)

Ranunculus ficaria 'Dusky Maiden'

Ranunculus ficaria 'Hyde Hall'

Ranunculus ficaria 'Ken Aslet Double' (d)

Ranunculus ficaria 'Orange Sorbet'

Ranunculus ficaria 'Salmon's White'

Ranunculus repens 'Buttered Popcorn' (v)

Rhamnus cathartica

Rhamnus pallasii

Rhamnus taquetii

Rheum 'Ace of Hearts'

Rheum alexandrae

Rheum australe

Rheum delavayi

Rheum × hybridum 'Holsteiner Blut'

Rheum palmatum var. tanguticum

Rheum rhaponticum

Rhodiola rhodantha

Rhodiola rosea

Rhodiola semenovii

Rhododendron 'Adonis' (EA/d)

Rhododendron 'Albert Schweitzer'

Rhododendron 'Alexander' (EA)

Rhododendron 'Annabella' (K)

Rhododendron 'Anneke' (A)

Rhododendron 'Antilope' (Vs)

Rhododendron arboreum

Rhododendron argyrophyllum subsp. nankingense 'Chinese Silver'

Rhododendron 'Arneson Gem' (M)

Rhododendron (Aronense Group) 'Kazuko' (EA)

Rhododendron (Aronense Group) 'Satschiko' (EA)

Rhododendron 'Arpege' (Vs)

Rhododendron augustinii

Rhododendron austrinum (A)

Rhododendron 'Babuschka'

Rhododendron 'Bengal'

Rhododendron 'Blaauw's Pink' (Kurume) (EA)

Rhododendron 'Blue Danube' (EA)

Rhododendron 'Blue Peter'

Rhododendron Blue Tit Group

Rhododendron campylogynum (Charopoeum Group) 'Patricia'

Rhododendron 'Cannon's Double' (K/d)

Rhododendron 'Carat' (A)

Rhododendron 'Caroline Allbrook'

Rhododendron 'Cecile' (K)

Rhododendron 'Chetco' (K)

Rhododendron 'Chikor'

Rhododendron 'Chinchilla' (EA)

Rhododendron 'Christmas Cheer' (hybrid)

Rhododendron 'Crane'

Rhododendron 'Cream Crest'

Rhododendron 'Crosswater Belle'

Rhododendron 'Cunningham's White'

Rhododendron 'Daviesii' (G)

Rhododendron 'Delta'

Rhododendron 'Dopey'

Rhododendron 'Dora Amateis'

Rhododendron Dormouse Group

Rhododendron 'Dreamland'

Rhododendron 'Edith Bosley'

Rhododendron (Elisabeth Hobbie Group) 'Elisabeth Hobbie'

Rhododendron 'Elsie Lee' (EA/d)

Rhododendron (Fabia Group) 'Fabia'

Rhododendron 'Fanal' (K)

Rhododendron 'Fantastica'

Rhododendron 'Feuerwerk' (K)

Rhododendron 'Fireball' (K)

Rhododendron 'Firelight' (hybrid)

Rhododendron 'Fragrantissimum'

Rhododendron 'Fred Peste'

Rhododendron fulvum

Rhododendron 'Gartendirektor Rieger'

Rhododendron 'Germania'

Rhododendron 'Gibraltar' (K)

Rhododendron 'Gilbert Mullie' (EA)

Rhododendron 'Ginny Gee'

Rhododendron 'Glowing Embers' (K)

Rhododendron 'Golden Eagle' (K)

Rhododendron 'Golden Gate'

Rhododendron 'Golden Lights' (A)

Rhododendron 'Golden Sunset' (K)

Rhododendron 'Golden Torch'

Rhododendron 'Goldflimmer' (v)

Rhododendron 'Goldinetta'

Rhododendron 'Gomer Waterer'

Rhododendron 'Gristede'

Rhododendron groenlandicum

Rhododendron groenlandicum 'Compactum'

Rhododendron groenlandicum 'Helma'

Rhododendron groenlandicum 'Lenie'

Rhododendron 'Hachmann's Kabarett'

Rhododendron 'Hachmann's Polaris'

Rhododendron 'Halfdan Lem'

Rhododendron 'Harvest Moon' (K)

Rhododendron 'Herbstzauber'

Rhododendron 'Hino-crimson' (Kurume) (EA)

Rhododendron 'Hogi-kasane' (A)

Rhododendron 'Homebush' (K/d)

Rhododendron 'Hoppy'

Rhododendron 'Horizon Monarch'

Rhododendron 'Ice Cube'

Rhododendron 'Irene Koster' (O)

Rhododendron 'Jolie Madame' (Vs)

Rhododendron 'Joseph Hill' (EA)

Rhododendron 'Kalinka'

Rhododendron 'Kirin' (Kurume) (EA/d)

Rhododendron 'Klondyke' (K)

Rhododendron 'Koningin Emma' (M)

Rhododendron 'Lapwing' (K)

Rhododendron 'Lemon Dream'

Rhododendron 'Lemur' (EA)

Rhododendron 'Lord Roberts'

Rhododendron 'Louisa' (EA)

Rhododendron luteum (A)

Rhododendron 'Madame Ad. van Hecke' (EA)

Rhododendron 'Madame Masson'

Rhododendron 'Mandarin Lights' (A)

Rhododendron 'Marcel MĂ©nard'

Rhododendron 'Mardi Gras'

Rhododendron 'Marilee' (EA)

Rhododendron 'Markeeta's Prize'

Rhododendron 'Marlies' (A)

Rhododendron 'Marmot' (EA)

Rhododendron 'Mary Helen' (Glenn Dale) (EA)

Rhododendron 'Mary Poppins' (K)

Rhododendron 'Moidart' (Vs)

Rhododendron 'Molly Ann'

Rhododendron 'Morgenrot'

Rhododendron 'Morning Cloud'

Rhododendron 'Moser's Maroon'

Rhododendron 'Mount Saint Helens' (A)

Rhododendron 'Mrs T.H. Lowinsky'

Rhododendron 'Nancy Evans'

Rhododendron 'Narcissiflorum' (G/d)

Rhododendron 'Night Sky'

Rhododendron 'Northern Hi-Lights' (A)

Rhododendron 'Olga'

Rhododendron 'Orion' ambig.

Rhododendron 'Palestrina' (Vuykiana) (EA)

Rhododendron 'Patty Bee'

Rhododendron 'Percy Wiseman'

Rhododendron 'Persil' (K)

Rhododendron 'Polaris' (EA)

Rhododendron 'Praecox'

Rhododendron 'Princess Anne'

Rhododendron 'Purple Passion' (PBR)

Rhododendron 'Purple Triumph' (Vuykiana) (EA)

Rhododendron 'Queen Alice'

Rhododendron [Rabatz] = 'Hachraba'

Rhododendron 'Ramapo'

Rhododendron 'Razorbill'

Rhododendron 'Rose Greely' (Gable) (EA)

Rhododendron 'Sacko'

Rhododendron 'Sappho'

Rhododendron 'Satan' (K)

Rhododendron 'Scintillation'

Rhododendron 'Shamrock'

Rhododendron 'Silver Slipper' (K)

Rhododendron 'Snipe'

Rhododendron 'Snow Hill' (EA)

Rhododendron 'Stoat' (EA)

Rhododendron 'Sunte Nectarine' (K)

Rhododendron 'Surrey Heath'

Rhododendron 'The Honourable Jean Marie de Montague'

Rhododendron 'Tidbit'

Rhododendron (Tortoiseshell Group) 'Champagne'

Rhododendron (Tortoiseshell Group) 'Tortoiseshell Orange'

Rhododendron 'Van'

Rhododendron 'Vinecourt Dream' (M)

Rhododendron 'Vinecourt Duke' (R/d)

Rhododendron viscosum (A)

Rhododendron 'Viscy'

Rhododendron Volker Group

Rhododendron 'Wee Bee'

Rhododendron 'White Frills' (EA)

Rhododendron 'White Lights' (A)

Rhododendron 'Wilgen's Ruby'

Rhododendron (Winsome Group) 'Winsome' (hybrid)

Rhododendron 'Wombat' (EA)

Rhododendron 'Yaku Incense'

Rhododendron yakushimanum

Rhododendron yakushimanum 'Edelweiss'

Rhododendron yakushimanum 'Koichiro Wada'

Rhododendron 'Yellow Hammer'

Rhodotypos scandens

Rhus aromatica

Rhus coriaria

Rhus glabra 'Laciniata' CarriĂšre

Rhus potaninii

Rhus typhina

Rhus typhina 'Dissecta'

Rhus verniciflua

Ribes × beatonii

Ribes bracteosum

Ribes × culverwellii (F)

Ribes gayanum

Ribes glaciale

Ribes laurifolium

Ribes nigrum 'Baldwin' (B)

Ribes nigrum 'Ben Connan' (PBR) (B)

Ribes nigrum 'Ben Lomond' (PBR) (B)

Ribes nigrum 'Ben Sarek' (B)

Ribes nigrum 'Ben Tirran' (PBR) (B)

Ribes nigrum 'Big Ben' (PBR) (B)

Ribes nigrum 'Titania' (B)

Ribes odoratum

Ribes rubrum 'Jonkheer van Tets' (R)

Ribes rubrum 'Laxton's Number One' (R)

Ribes rubrum 'Red Lake' (R)

Ribes rubrum 'Redstart' (R)

Ribes sanguineum 'Brocklebankii'

Ribes sanguineum 'Elkington's White'

Ribes sanguineum 'King Edward VII'

Ribes sanguineum 'Koja'

Ribes sanguineum 'Pulborough Scarlet'

Ribes sanguineum 'Tydeman's White'

Ribes speciosum

Ribes uva-crispa 'Captivator' (C)

Ribes uva-crispa 'Careless' (C/D)

Ribes uva-crispa 'HinnonmÀki Gul' (D)

Ribes uva-crispa 'HinnonmÀki Röd' (C/D)

Ribes uva-crispa 'Invicta' (C/D)

Ribes uva-crispa 'Pax' (PBR) (D)

Ribes viburnifolium

Robinia hispida

Robinia hispida 'Macrophylla'

Robinia pseudoacacia 'Frisia'

Robinia × slavinii 'Hillieri'

Rodgersia aesculifolia var. henrici hybrid

Rodgersia 'Dark Pokers'

Rodgersia 'Die Schöne'

Rodgersia 'Herkules'

Rodgersia 'La Blanche'

Rodgersia pinnata 'Chocolate Wing'

Rodgersia pinnata 'Fireworks' (PBR)

Rodgersia pinnata 'Maurice Mason'

Rodgersia podophylla

Rodgersia podophylla 'Smaragd'

Rodgersia sambucifolia

Romneya coulteri

Rosa [A Shropshire Lad] = 'Ausled' (PBR) (S)

Rosa [Abraham Darby] = 'Auscot' (S)

Rosa 'Adélaïde d'Orléans' (Ra)

Rosa 'Agnes' (Ru)

Rosa 'Aimée Vibert' (N)

Rosa × alba 'Alba Maxima' (A)

Rosa × alba 'Alba Semiplena' (A)

Rosa 'Albéric Barbier' (Ra)

Rosa 'Albertine' (Ra)

Rosa 'Alchymist' (S/Cl)

Rosa [Alfred Sisley] = 'Delstrijor' (PBR) (S)

Rosa [Alissar, Princess of Phoenicia] = 'Harsidon' (PBR)

Rosa 'Alister Stella Gray' (N)

Rosa 'Aloha' (ClHT)

Rosa amblyotis

Rosa 'American Pillar' (Ra)

Rosa 'Autumn Delight' (HM)

Rosa [Awakening] = 'ProbuzenĂ­' (ClHT)

Rosa 'Ballerina' (HM/Poly)

Rosa 'Baltimore Belle' (Ra)

Rosa banksiae 'Lutea' (Ra/d)

Rosa banksiae 'Rosea'

Rosa 'Baron Girod de l'Ain' (HP)

Rosa 'Belle de Crécy' (G)

Rosa 'Belvedere' (Ra)

Rosa 'Blairii Number Two' (ClBb)

Rosa 'Blanche Double de Coubert' (Ru)

Rosa 'Bleu Magenta' (Ra)

Rosa 'Bloomfield Abundance' (Poly)

Rosa 'Bobbie James' (Ra)

Rosa [Bonica] = 'Meidomonac' (GC)

Rosa 'Boule de Neige' (Bb)

Rosa 'Bouquet d'Or' (N)

Rosa [Bright as a Button] = 'Chewsumsigns' (S)

Rosa [Broadlands] = 'Tanmirsch' (PBR) (GC)

Rosa [Brother Cadfael] = 'Ausglobe' (PBR) (S)

Rosa brunonii 'La Mortola' (Ra)

Rosa 'Buff Beauty' (HM)

Rosa 'Camayeux' (G)

Rosa [Cambridgeshire] = 'Korhaugen' (PBR) (GC)

Rosa canina (S)

Rosa 'Cantabrigiensis' (S)

Rosa 'Capitaine John Ingram' (CeMo)

Rosa 'Cardinal de Richelieu' (G)

Rosa 'CĂ©cile BrĂŒnner' (Poly)

Rosa 'CĂ©leste' (A)

Rosa 'CĂ©line Forestier' (N)

Rosa 'Celsiana' (D)

Rosa × centifolia 'Cristata' (Ce)

Rosa × centifolia 'De Meaux' (Ce)

Rosa × centifolia 'Unique' (Ce)

Rosa 'Cerise Bouquet' (S)

Rosa 'Charles de Mills' (G)

Rosa [Chartreuse de Parme] = 'Delviola' (S)

Rosa [Chianti] = 'Auswine' (S)

Rosa 'Cinderella' (Min)

Rosa [Claire Austin] = 'Ausprior' (PBR) (S)

Rosa 'Clementina Carbonieri' (T)

Rosa 'Climbing CĂ©cile BrĂŒnner' (ClPoly)

Rosa 'Climbing Iceberg' (ClF)

Rosa 'Climbing Lady Hillingdon' (ClT)

Rosa 'Climbing Mrs Sam McGredy' (ClHT)

Rosa 'Colonel Fabvier' (Ch)

Rosa 'Compassion' (ClHT)

Rosa 'Complicata' (G)

Rosa 'Constance Spry' (ClS)

Rosa 'Cornelia' (HM)

Rosa 'Crépuscule' (N)

Rosa 'Crimson Shower' (Ra)

Rosa [Crocus Rose] = 'Ausquest' (PBR) (S)

Rosa [Crown Princess Margareta] = 'Auswinter' (PBR) (S)

Rosa × damascena var. semperflorens (D)

Rosa 'Daybreak' (HM)

Rosa 'De Resht' (DPo)

Rosa 'Dortmund' (S)

Rosa [Dublin Bay] = 'Macdub' (ClF)

Rosa 'Duc de Guiche' (G)

Rosa 'Duchesse de Montebello' (G)

Rosa 'Dupontii' (S)

Rosa 'Easlea's Golden Rambler' (Ra)

Rosa elegantula 'Persetosa' (S)

Rosa 'Étendard' (ClHT)

Rosa 'Étoile de Hollande' (HT)

Rosa [Evelyn] = 'Aussaucer' (PBR) (S)

Rosa 'Fantin-Latour' (centifolia hybrid)

Rosa 'Felicia' (HM)

Rosa 'FĂ©licitĂ© Parmentier' (A × D)

Rosa 'Félicité Perpétue' (Ra)

Rosa 'Ferdinand Pichard' (Bb)

Rosa filipes 'Kiftsgate' (Ra)

Rosa 'Fimbriata' (Ru)

Rosa foetida 'Bicolor' (S)

Rosa 'Francis E. Lester' (HM/Ra)

Rosa 'François Juranville' (Ra)

Rosa 'Fritz Nobis' (S)

Rosa 'Fru Dagmar Hastrup' (Ru)

Rosa 'FrĂŒhlingsgold' (SpH)

Rosa gallica var. officinalis (G)

Rosa gallica 'Versicolor' (G)

Rosa 'Gardenia' (Ra)

Rosa 'Général Schablikine' (T)

Rosa [Gentle Hermione] = 'Ausrumba' (PBR) (S)

Rosa 'Geranium' (moyesii hybrid)

Rosa [Gertrude Jekyll] = 'Ausbord' (PBR) (S)

Rosa 'Ghislaine de FĂ©ligonde' (Ra/S)

Rosa glauca Pourr. (S)

Rosa 'Gloire de Dijon' (ClT)

Rosa [Golden Celebration] = 'Ausgold' (PBR) (S)

Rosa 'Golden Showers' (Cl)

Rosa 'Golden Wings' (S)

Rosa 'Goldfinch' (Ra)

Rosa [Grace] = 'Auskeppy' (PBR) (S)

Rosa [Graham Thomas] = 'Ausmas' (S)

Rosa 'Great Maiden's Blush' (A)

Rosa [Grouse] = 'Korimro' (S/GC)

Rosa 'Gruss an Aachen' (Poly)

Rosa 'Gruss an Teplitz' (China hybrid)

Rosa 'Guinée' (ClHT)

Rosa [HĂ€ndel] = 'Macha' (ClHT)

Rosa helenae

Rosa 'Henri Martin' (CeMo)

Rosa 'Herbstfeuer' (RH)

Rosa [Heritage] = 'Ausblush' (S)

Rosa 'Honorine de Brabant' (Bb)

Rosa 'Hugh Dickson' (HP)

Rosa 'Impératrice Joséphine' (Gn)

Rosa 'IrĂšne Watts' (Ch)

Rosa 'Ispahan' (D)

Rosa × jacksonii 'Max Graf' (GC/Ru)

Rosa [Jacqueline du Pré] = 'Harwanna' (PBR) (S)

Rosa [Joie de Vivre] = 'Korfloci 01' (PBR) (Patio/S)

Rosa [Jubilee Celebration] = 'Aushunter' (PBR) (S)

Rosa 'Kathleen Harrop' (Bb)

Rosa [Kent] = 'Poulcov' (PBR) (Towne & Country Series) (S/GC)

Rosa 'Kew Rambler' (Ra)

Rosa 'Königin von DÀnemark' (A)

Rosa [L.D. Braithwaite] = 'Auscrim' (PBR) (S)

Rosa [La Rose de Molinard] = 'Delgrarose' (PBR) (S)

Rosa 'La Ville de Bruxelles' (D)

Rosa 'Laure Davoust' (Ra)

Rosa 'Lavender Lassie' (HM)

Rosa 'Leverkusen' (ClF)

Rosa [Lichfield Angel] = 'Ausrelate' (PBR) (S)

Rosa 'Lord Penzance' (RH)

Rosa 'Louise Odier' (Bb)

Rosa 'Madame Alfred CarriĂšre' (N)

Rosa 'Madame Boll' (DPo)

Rosa 'Madame Grégoire Staechelin' (ClHT)

Rosa 'Madame Hardy' (ClD)

Rosa 'Madame Isaac Pereire' (ClBb)

Rosa 'Madame Lauriol de Barny' (Bb)

Rosa 'Madame Legras de Saint Germain' (A × N)

Rosa 'Madame Plantier' (A × N)

Rosa 'Maid of Kent' (PBR) (Cl)

Rosa 'Maigold' (ClPiH)

Rosa [Malvern Hills] = 'Auscanary' (PBR) (Ra)

Rosa 'Marchesa Boccella' (DPo)

Rosa 'Marguerite Hilling' (S)

Rosa [Mary Rose] = 'Ausmary' (S)

Rosa 'May Queen' (Ra)

Rosa 'Meg' (ClHT)

Rosa 'Mermaid' (Cl)

Rosa 'Mevrouw Nathalie Nypels' (Poly)

Rosa 'Mrs John Laing' (HP)

Rosa 'Nevada' (S)

Rosa 'New Dawn' (Cl)

Rosa 'Noisette Carnée' (N)

Rosa 'Nozomi' (ClMin/GC)

Rosa 'Nuits de Young' (CeMo)

Rosa nutkana 'Plena' (S/D)

Rosa [Octavia Hill] = 'Harzeal' (PBR) (F)

Rosa × odorata 'Mutabilis' (Ch)

Rosa × odorata 'Pallida' (Ch)

Rosa 'Omar KhayyĂĄm' (D)

Rosa 'Parade' (Cl)

Rosa [Pat Austin] = 'Ausmum' (PBR) (S)

Rosa 'Paul Transon' (Ra)

Rosa 'Paul's Himalayan Musk' (Ra)

Rosa 'Paul's Lemon Pillar' (ClHT)

Rosa 'Paul's Single White Perpetual' (Ra)

Rosa 'Penelope' (HM)

Rosa [Penny Lane] = 'Hardwell' (PBR) (ClHT)

Rosa 'Perle d'Or' (Poly)

Rosa 'Petite de Hollande' (Ce)

Rosa 'Petite Lisette' (Ce × D)

Rosa 'Phyllis Bide' (Ra)

Rosa 'Pink Grootendorst' (Ru)

Rosa [Port Sunlight] = 'Auslofty' (PBR) (HM)

Rosa 'Président de SÚze' (G)

Rosa primula

Rosa [Princess Alexandra] = 'Pouldra' (PBR) (Renaissance Series) (S)

Rosa 'Prosperity' (HM)

Rosa 'Purezza' (Ra)

Rosa 'Quatre Saisons Blanche Mousseuse' (DMo)

Rosa 'Queen of Bourbons' (Bb)

Rosa 'Rambling Rector' (Ra)

Rosa [Raymond Blanc] = 'Delnado' (HT)

Rosa 'Reine des Violettes' (HP)

Rosa 'Reine Victoria' (Bb)

Rosa 'René André' (Ra)

Rosa [Rhapsody in Blue] = 'Frantasia' (PBR) (S)

Rosa × richardii

Rosa 'Roseraie de l'Hay' (Ru)

Rosa [Rosy Cushion] = 'Interall' (S/GC)

Rosa rugosa 'Alba' (Ru)

Rosa 'Russelliana' (Ra)

Rosa 'Sarah van Fleet' (Ru)

Rosa 'Scabrosa' (Ru)

Rosa 'Schneezwerg' (Ru)

Rosa 'Seagull' (Ra)

Rosa 'Sealing Wax' (moyesii hybrid)

Rosa sericea subsp. omeiensis f. pteracantha (S)

Rosa [Sharifa Asma] = 'Ausreef' (PBR) (S)

Rosa 'Sir Cedric Morris' (Ra)

Rosa [Snow Goose] = 'Auspom' (PBR) (ClS)

Rosa [Solo Mio] = 'Poulen002' (PBR) (Renaissance Series) (S)

Rosa 'Sombreuil' (ClT)

Rosa 'Souvenir de la Malmaison' (Bb)

Rosa 'Souvenir du Docteur Jamain' (ClHP)

Rosa spinosissima 'Dunwich Rose'

Rosa 'Stanwell Perpetual' (SpH)

Rosa [Super Elfin] = 'Helkleger' (PBR) (Ra)

Rosa [Surrey] = 'Korlanum' (PBR) (GC)

Rosa [Susan] = 'Poulsue' (S)

Rosa [Swan Lake] = 'Macmed' (Cl)

Rosa [Teasing Georgia] = 'Ausbaker' (PBR) (S)

Rosa [Tess of the d'Urbervilles] = 'Ausmove' (PBR) (S)

Rosa [The Alnwick Rose] = 'Ausgrab' (PBR) (S)

Rosa 'The Fairy' (Poly)

Rosa 'The Garland' (Ra)

Rosa [The Pilgrim] = 'Auswalker' (PBR) (S)

Rosa [The Prince] = 'Ausvelvet' (PBR) (S)

Rosa 'Tour de Malakoff' (Ce)

Rosa 'Tuscany Superb' (G)

Rosa 'Veilchenblau' (Ra)

Rosa 'Vick's Caprice' (HP)

Rosa 'Wedding Day' (Ra)

Rosa [Westerland] = 'Korwest' (S)

Rosa 'White Pet' (Poly)

Rosa 'William Lobb' (CeMo)

Rosa [William Shakespeare 2000] = 'Ausromeo' (PBR) (S)

Rosa [Wiltshire] = 'Kormuse' (PBR) (S/GC)

Rosa [Winchester Cathedral] = 'Auscat' (PBR) (S)

Rosa xanthina 'Canary Bird' (S)

Rosa xanthina f. hugonis

Rosa [Yellow Dagmar Hastrup] = 'Moryelrug' (PBR) (Ru)

Rosa 'Yesterday' (Poly/F/S)

Rosa 'Yvonne Rabier' (Poly)

Rosa 'ZĂ©phirine Drouhin' (Bb)

Rosa 'Zigeunerknabe' (S)

Rostrinucula dependens

Rubus 'Benenden'

Rubus cockburnianus 'Goldenvale'

Rubus fruticosus 'Black Satin' (F)

Rubus fruticosus 'Himalayan Giant' (F)

Rubus fruticosus 'Oregon Thornless' (F)

Rubus fruticosus 'Thornfree' (F)

Rubus idaeus 'All Gold' (F)

Rubus idaeus 'Autumn Bliss' (F)

Rubus idaeus 'Malling Promise' (F)

Rubus idaeus 'Octavia' (PBR) (F)

Rubus idaeus 'Sugana' (PBR) (F)

Rubus idaeus 'Tulameen' (F)

Rubus 'Kenneth Ashburner'

Rubus pectinellus var. trilobus

Rubus peltatus

Rubus rolfei 'Emerald Carpet'

Rubus rosifolius 'Coronarius' (d)

Rubus setchuenensis

Rubus Tayberry Group (F)

Rubus (Tayberry Group) 'Buckingham' (F)

Rubus (Tayberry Group) 'Medana Tayberry' (F)

Rubus thibetanus

Rubus tricolor

Rubus xanthocarpus

Rudbeckia 'Dublin'

Rudbeckia fulgida 'City Garden'

Rudbeckia fulgida 'Early Bird Gold'

Rudbeckia fulgida 'Little Goldsttar'

Rudbeckia fulgida var. sullivantii 'Goldsturm'

Rudbeckia fulgida var. sullivantii 'Pot of Gold'

Rudbeckia laciniata

Rudbeckia laciniata 'Herbstsonne'

Rudbeckia maxima

Rudbeckia occidentalis 'Green Wizard'

Rudbeckia subtomentosa 'Henry Eilers'

Rumex hydrolapathum

Rumex sanguineus

Ruscus aculeatus

Ruscus aculeatus 'John Redmond' (PBR)

Ruta graveolens 'Jackman's Blue'

Sagittaria leucopetala 'Flore Pleno' (d)

Salix acutifolia 'Blue Streak' (m)

Salix alba 'Hutchinson's Yellow'

Salix alba var. sericea

Salix alba 'Tristis' ambig.

Salix alba var. vitellina

Salix alba var. vitellina 'Britzensis' (m)

Salix babylonica 'Bijdorp'

Salix babylonica 'Pan Chih-kang'

Salix caprea 'Kilmarnock' (m)

Salix elaeagnos subsp. angustifolia

Salix exigua

Salix gracilistyla 'Melanostachys' (m)

Salix hastata 'Wehrhahnii' (m)

Salix helvetica

Salix hookeriana

Salix irrorata

Salix lanata

Salix lapponum

Salix 'Mark Postill' (f)

Salix myrsinifolia

Salix nakamurana var. yezoalpina

Salix purpurea 'Dark Dicks' (f)

Salix purpurea 'Goldstones'

Salix purpurea 'Gracilis'

Salix purpurea 'Nancy Saunders' (f)

Salix repens

Salix rosmarinifolia L.

Salix × sepulcralis var. chrysocoma

Salix × sepulcralis 'Dart's Snake'

Salix triandra 'Black Hollander' (m)

Salvia amplexicaulis

Salvia dolichantha

Salvia 'Eveline'

Salvia forsskaolii

Salvia glutinosa

Salvia napifolia

Salvia nemorosa 'Caradonna'

Salvia nemorosa 'Lubecca'

Salvia nemorosa [Marcus] = 'Haeumanarc' (PBR)

Salvia nemorosa 'Ostfriesland'

Salvia nemorosa 'Schwellenburg'

Salvia nubicola

Salvia patens 'Cambridge Blue'

Salvia patens 'Guanajuato'

Salvia pratensis 'Indigo'

Salvia pratensis 'Pink Delight' (PBR)

Salvia pratensis 'Swan Lake' (Ballet Series)

Salvia pratensis 'Sweet Esmeralda' (Ballet Series)

Salvia × sylvestris 'BlauhĂŒgel'

Salvia × sylvestris 'Blaukönigin'

Salvia × sylvestris 'Dear Anja'

Salvia × sylvestris 'Mainacht'

Salvia × sylvestris 'Negrito'

Salvia × sylvestris 'Rhapsody in Blue' (PBR)

Salvia × sylvestris 'SchneehĂŒgel'

Salvia × sylvestris 'TĂ€nzerin'

Salvia × sylvestris 'Viola Klose'

Salvia uliginosa

Salvia verticillata

Salvia verticillata 'Alba'

Salvia verticillata 'Purple Rain'

Salvia 'Wendy's Wish'

Sambucus callicarpa

Sambucus nigra 'Aureomarginata' (v)

Sambucus nigra 'Bradet'

Sambucus nigra 'Fructu Luteo'

Sambucus nigra 'Körsör' (F)

Sambucus nigra f. laciniata

Sambucus nigra 'Linearis'

Sambucus nigra 'Madonna' (v)

Sambucus nigra 'Marion Bull' (v)

Sambucus nigra 'Marmorata'

Sambucus nigra f. porphyrophylla 'Eva' (PBR)

Sambucus nigra f. porphyrophylla 'Gerda' (PBR)

Sambucus nigra f. porphyrophylla 'Guincho Purple'

Sambucus nigra f. porphyrophylla 'Thundercloud'

Sambucus nigra 'Pulverulenta' (v)

Sambucus racemosa 'Goldenlocks'

Sambucus racemosa 'Plumosa Aurea'

Sambucus racemosa 'Sutherland Gold'

Sanguinaria canadensis

Sanguinaria canadensis f. multiplex 'Plena' (d)

Sanguisorba 'Blackthorn'

Sanguisorba canadensis

Sanguisorba hakusanensis

Sanguisorba hakusanensis 'Lilac Squirrel'

Sanguisorba 'John Coke'

Sanguisorba menziesii

Sanguisorba menziesii 'Dali Marble' (v)

Sanguisorba obtusa

Sanguisorba officinalis 'Morning Select'

Sanguisorba officinalis 'Red Thunder'

Sanguisorba officinalis 'Shiro-fukurin' (v)

Sanguisorba 'Pink Brushes'

Sanguisorba 'Rock and Roll'

Sanguisorba 'Tanna'

Sanguisorba tenuifolia

Sanguisorba tenuifolia var. parviflora

Sanguisorba tenuifolia 'Pink Elephant'

Sanguisorba tenuifolia 'Stand Up Comedian'

Santolina chamaecyparissus 'Lambrook Silver'

Santolina chamaecyparissus 'Lemon Queen'

Santolina chamaecyparissus 'Pretty Carroll'

Santolina chamaecyparissus 'Small-Ness'

Santolina pinnata subsp. neapolitana 'Edward Bowles'

Santolina rosmarinifolia 'Lemon Fizz'

Santolina rosmarinifolia subsp. rosmarinifolia 'Primrose Gem'

Saponaria officinalis 'Alba Plena' (d)

Saponaria × olivana

Sarcococca confusa

Sarcococca hookeriana

Sarcococca hookeriana var. digyna 'Purple Stem'

Sarcococca hookeriana var. humilis

Sarcococca orientalis

Sarcococca ruscifolia

Sasa kagamiana

Sasa palmata f. nebulosa

Sasa tsuboiana

Sasa veitchii

Sassafras albidum

Saxegothaea conspicua

Saxifraga [Black Ruby] (fortunei) (5)

Saxifraga 'Bohemia' (7)

Saxifraga 'Boston Spa' (× elisabethae) (7)

Saxifraga (London Pride Group) 'Clarence Elliott' (umbrosa) (11)

Saxifraga 'Grace Farwell' (× anglica) (7)

Saxifraga 'Gregor Mendel' (× apiculata) (7)

Saxifraga 'Haagii' (× eudoxiana) (7)

Saxifraga (Swing Group) 'Mary Golds' (7)

Saxifraga 'Peach Melba' (7)

Saxifraga 'Penelope' (× boydilacina) (7)

Saxifraga 'Pink Star' (× boydilacina) (7)

Saxifraga 'Rokujo' (fortunei) (5)

Saxifraga 'Tvuj Úsmev' (× poluanglica) (7)

Saxifraga 'Variegata' (× urbium) (11/v)

Saxifraga 'Winifred Bevington' (8 × 11)

Scabiosa 'Butterfly Blue'

Scabiosa caucasica 'Fama'

Scabiosa caucasica Perfecta Series

Scabiosa caucasica 'Perfecta Alba' (Perfecta Series)

Scabiosa caucasica 'StÀfa'

Scabiosa columbaria 'Misty Butterflies'

Scabiosa columbaria 'Nana'

Scabiosa columbaria subsp. ochroleuca

Scabiosa 'Pink Mist' (PBR)

Scabiosa 'Vivid Violet'

Schisandra arisanensis

Schisandra chinensis

Schisandra propinqua subsp. sinensis

Schisandra rubriflora

Schisandra sphenanthera

Schizophragma corylifolium

Schizophragma hydrangeoides var. concolor 'Moonlight'

Schizophragma hydrangeoides var. hydrangeoides 'Iwa Garami'

Schizophragma hydrangeoides var. hydrangeoides 'Roseum'

Schizophragma integrifolium var. fauriei

Sciadopitys verticillata 'Big Filip'

Sciadopitys verticillata 'Firework'

Sciadopitys verticillata 'Gold Star'

Sciadopitys verticillata 'Goldammer'

Sciadopitys verticillata 'Golden Rush'

Sciadopitys verticillata 'GrĂŒne Kugel'

Sciadopitys verticillata 'Koja Maki'

Sciadopitys verticillata 'Kupferschirm'

Sciadopitys verticillata 'Picola'

Sciadopitys verticillata 'Starburst'

Sciadopitys verticillata 'Sternschnuppe'

Scopolia carniolica

Scopolia carniolica 'Zwanenburg'

Sedum acre 'Aureum'

Sedum acre subsp. neglectum var. majus

Sedum aizoon 'Euphorbioides'

Sedum album 'Coral Carpet'

Sedum [Black Beauty] = 'Florseblab'

Sedum cauticola 'Lidakense'

Sedum 'Chocolate Drop' (PBR)

Sedum 'Class Act' (PBR)

Sedum erythrostictum 'Mediovariegatum' (v)

Sedum ewersii

Sedum (Herbstfreude Group) 'Jaws' (PBR)

Sedum 'José Aubergine' (PBR)

Sedum 'Joyce Henderson'

Sedum 'Matrona'

Sedum 'Mr Goodbud' (PBR)

Sedum 'Munstead Red'

Sedum populifolium

Sedum 'Red Cauli'

Sedum 'Ruby Glow'

Sedum selskianum

Sedum spectabile (Brilliant Group) 'Brilliant'

Sedum spectabile (Brilliant Group) 'Lisa'

Sedum spectabile (Brilliant Group) 'Meteor'

Sedum spectabile (Brilliant Group) 'Steven Ward'

Sedum spectabile 'Crystal Pink' (PBR)

Sedum spectabile 'Iceberg'

Sedum spectabile 'Pink Chablis' (PBR) (v)

Sedum spurium 'Purpurteppich'

Sedum spurium 'Summer Glory'

Sedum 'Stewed Rhubarb Mountain'

Sedum telephium (Atropurpureum Group) 'Bon Bon'

Sedum telephium (Atropurpureum Group) 'Chocolate'

Sedum telephium (Atropurpureum Group) 'Lynda Windsor'

Sedum telephium (Atropurpureum Group) 'Möhrchen'

Sedum telephium (Atropurpureum Group) 'Purple Emperor'

Sedum telephium (Atropurpureum Group) 'Xenox' (PBR)

Sedum telephium subsp. ruprechtii

Sedum telephium subsp. ruprechtii 'Hab Gray'

Sedum telephium 'Strawberries and Cream'

Sedum telephium 'Sunkissed' (PBR)

Sedum viviparum

Semiarundinaria yashadake f. kimmei

Senecio polyodon

Sequoiadendron giganteum 'Blauer Eichzwerg'

Sequoiadendron giganteum 'Curly Green'

Sequoiadendron giganteum 'Greenpeace'

Sequoiadendron giganteum 'Philip Curtis'

Sequoiadendron giganteum 'Pirat'

Sequoiadendron giganteum 'Powdered Blue'

Serratula tinctoria

Seseli libanotis

Sesleria glauca

Sesleria heufleriana

Shepherdia argentea

Sidalcea candida

Sidalcea candida 'Bianca'

Sidalcea 'Candy Girl'

Sidalcea 'Elsie Heugh'

Sidalcea 'Little Princess' (PBR)

Sidalcea 'Mr Lindbergh'

Sidalcea 'Party Girl'

Sidalcea 'Purpetta'

Sidalcea 'Rosaly'

Sidalcea 'Rosanna'

Sidalcea 'William Smith'

Silene acaulis subsp. bryoides

Silene acaulis 'Correvoniana'

Silene acaulis 'Frances'

Silene acaulis 'Mount Snowdon'

Silene dioica

Silene fimbriata

Silene pusilla

Silphium perfoliatum

Sinacalia tangutica

× Sinocalycalycanthus raulstonii 'Hartlage Wine'

× Sinocalycalycanthus 'Venus'

Sinocalycanthus chinensis

Sinojackia xylocarpa

Sinopodophyllum hexandrum

Sinowilsonia henryi

Sisyrinchium angustifolium f. album

Sisyrinchium 'Blue Ice'

Sisyrinchium californicum Brachypus Group

Sisyrinchium 'Devon Skies'

Sisyrinchium 'Hemswell Sky'

Sisyrinchium littorale

Sisyrinchium 'Pole Star'

Sisyrinchium 'Sapphire'

Sisyrinchium striatum

Skimmia × confusa 'Kew Green' (m)

Skimmia japonica 'Bronze Knight' (m)

Skimmia japonica 'Chameleon' (f)

Skimmia japonica 'Fragrans' (m)

Skimmia japonica 'Godrie's Dwarf' (m)

Skimmia japonica 'Magic Marlot' (PBR) (m/v)

Skimmia japonica 'Marlot' (m)

Skimmia japonica 'Red Riding Hood' (f)

Skimmia japonica 'Redruth' (f)

Skimmia japonica subsp. reevesiana

Skimmia japonica 'Rubella' (m)

Skimmia japonica 'Ruby King' (m)

Skimmia japonica 'Veitchii' (f)

Solanum crispum 'Glasnevin'

Soldanella montana

Solidago cutleri

Solidago 'Early Bird'

Solidago flexicaulis 'Variegata' (v)

Solidago glomerata

Solidago 'Laurin'

Solidago rugosa 'Fireworks'

Solidago virgaurea

Sophora [Sun King] = 'Hilsop' (PBR)

Sorbaria kirilowii

Sorbaria sorbifolia 'Sem' (PBR)

× Sorbaronia fallax

Sorbus aria 'Lutescens'

Sorbus aria 'Magnifica'

Sorbus aucuparia

Sorbus aucuparia 'Aspleniifolia'

Sorbus [Autumn Spire] = 'Flanrock'

Sorbus cashmiriana Hedl.

Sorbus 'Chinese Lace'

Sorbus commixta

Sorbus commixta [Olympic Flame] = 'Dodong'

Sorbus commixta 'Ravensbill'

Sorbus 'Copper Kettle'

Sorbus 'Eastern Promise'

Sorbus forrestii

Sorbus gonggashanica

Sorbus hedlundii

Sorbus hupehensis 'Pink Pagoda'

Sorbus 'Joseph Rock'

Sorbus 'Leonard Messel'

Sorbus pseudovilmorinii

Sorbus randaiensis

Sorbus reducta

Sorbus sargentiana

Sorbus torminalis

Sorbus vilmorinii

Spartina pectinata 'Aureomarginata' (v)

Spigelia marilandica 'Red Feather'

Spiraea 'Arguta'

Spiraea japonica 'Bullata'

Spiraea japonica 'Candlelight'

Spiraea japonica 'Firelight'

Spiraea japonica 'Gold Mound'

Spiraea japonica [Golden Princess] = 'Lisp'

Spiraea japonica 'Goldflame'

Spiraea japonica 'Little Princess'

Spiraea japonica [Magic Carpet] = 'Walbuma' (PBR) (v)

Spiraea nipponica 'Snowmound'

Stachys byzantina 'Primrose Heron'

Stachys byzantina 'Silver Carpet'

Stachys discolor

Stachys macrantha 'Superba'

Stachys monieri ambig.

Stachys monieri 'Rosea'

Stachys officinalis 'Hummelo'

Stachys officinalis 'Saharan Pink'

Stachys palustris

Stachys thunbergii 'Danielle'

Stachyurus chinensis

Stachyurus chinensis 'Celina'

Stachyurus chinensis 'Goldbeater'

Stachyurus chinensis 'Joy Forever' (v)

Stachyurus chinensis 'Senna'

Stachyurus chinensis 'Wonderful Image'

Stachyurus himalaicus

Stachyurus himalaicus 'Dolly'

Stachyurus 'Magpie' (v)

Stachyurus praecox

Stachyurus praecox var. leucotrichus

Stachyurus praecox var. matsuzakii

Stachyurus 'Rubriflorus'

Stachyurus yunnanensis

Staphylea bolanderi

Staphylea bumalda

Staphylea colchica

Staphylea holocarpa 'Innocence'

Staphylea holocarpa 'Rosea'

Staphylea pinnata

Stauntonia hexaphylla

Stephanandra incisa 'Crispa'

Stewartia monadelpha

Stewartia pseudocamellia

Stewartia pseudocamellia Koreana Group

Stewartia rostrata

Stewartia serrata

Stewartia sinensis

Stipa gigantea

Stokesia laevis

Stokesia laevis 'Mary Gregory'

Stokesia laevis 'TrÀumerei'

Styrax americanus

Styrax hemsleyanus

Styrax japonicus

Styrax japonicus (Benibana Group) 'Pink Chimes'

Styrax japonicus 'Fragrant Fountain'

Styrax japonicus 'Hyme'

Styrax japonicus 'Issai'

Styrax japonicus 'Purple Dress'

Styrax japonicus 'Snowfall'

Styrax japonicus 'Sohuksan'

Styrax obassia

Styrax shiraianus

Styrax wuyuanensis

Succisa pratensis

× Sycoparrotia semidecidua

× Sycoparrotia semidecidua 'Purple Haze'

Sycopsis sinensis

Symphytum asperum

Symphytum caucasicum

Symphytum 'Goldsmith' (v)

Symphytum ibericum 'Gold in Spring'

Symphytum 'Rubrum'

Symplocos sawafutagi

Syringa emodi 'Aurea'

Syringa emodi 'Elegantissima' (v)

Syringa × hyacinthiflora 'Anabel' (d)

Syringa × hyacinthiflora 'Clarke's Giant'

Syringa × hyacinthiflora 'Esther Staley'

Syringa × hyacinthiflora 'Lavender Lady'

Syringa × hyacinthiflora 'Pocahontas'

Syringa × josiflexa 'Agnes Smith'

Syringa × josiflexa 'Bellicent'

Syringa × josiflexa 'Royalty'

Syringa josikaea

Syringa komarowii subsp. reflexa

Syringa × laciniata Mill.

Syringa 'Lark Song'

Syringa meyeri 'Inge'

Syringa meyeri 'Palibin'

Syringa × persica

Syringa pinnatifolia

Syringa protolaciniata

Syringa pubescens subsp. microphylla 'Superba'

Syringa pubescens subsp. patula 'Miss Kim'

Syringa reticulata 'Ivory Silk'

Syringa reticulata subsp. pekinensis 'Yellow Fragrance'

Syringa tomentella subsp. sweginzowii

Syringa vulgaris 'Andenken an Ludwig SpÀth'

Syringa vulgaris 'Belle de Nancy' (d)

Syringa vulgaris 'Charles Joly' (d)

Syringa vulgaris 'Katherine Havemeyer' (d)

Syringa vulgaris 'Krasavitsa Moskvy' (d)

Syringa vulgaris 'Madame Florent Stepman'

Syringa vulgaris 'Madame Lemoine' (d)

Syringa vulgaris 'Michel Buchner' (d)

Syringa vulgaris 'Miss Ellen Willmott' (d)

Syringa vulgaris 'Mrs Edward Harding' (d)

Syringa vulgaris 'Olivier de Serres' (d)

Syringa vulgaris 'Paul Deschanel' (d)

Syringa vulgaris 'Primrose'

Syringa vulgaris 'Sensation'

Tamarix parviflora

Tamarix ramosissima

Tanacetum corymbosum

Taxodium distichum 'Cascade Falls'

Taxodium distichum 'Hursley Park'

Taxodium distichum 'Peve Minaret'

Taxus baccata

Taxus baccata 'Autumn Shades'

Taxus baccata 'Corleys Coppertip'

Taxus baccata 'Cristata'

Taxus baccata 'David'

Taxus baccata 'Dovastoniana' (f)

Taxus baccata 'Dovastonii Aurea' (m/v)

Taxus baccata Fastigiata Aurea Group

Taxus baccata 'Fastigiata Robusta' (f)

Taxus baccata 'Goud Elsje'

Taxus baccata 'Icicle'

Taxus baccata 'Ivory Tower'

Taxus baccata 'Repandens' (f)

Taxus baccata 'Repens Aurea' (v)

Taxus baccata 'Rushmore'

Taxus baccata 'Semperaurea' (m)

Taxus baccata 'Standishii' (f)

Taxus baccata 'Summergold' (v)

Taxus brevifolia

Taxus × media 'Hicksii' (f)

Telekia speciosa

Tellima grandiflora 'Forest Frost'

Tellima grandiflora Rubra Group

Tetracentron sinense

Tetradium daniellii Hupehense Group

Tetrapanax papyrifer 'Rex'

Teucrium hircanicum

Teucrium hircanicum 'Paradise Delight'

Teucrium scorodonia

Teucrium scorodonia 'Crispum'

Thalia dealbata

Thalictrum 'Anne' (PBR)

Thalictrum aquilegiifolium 'Purpureum'

Thalictrum aquilegiifolium 'Thundercloud'

Thalictrum 'Black Stockings'

Thalictrum calabricum

Thalictrum chelidonii

Thalictrum dasycarpum

Thalictrum delavayi

Thalictrum delavayi 'Album'

Thalictrum delavayi 'Ankum'

Thalictrum delavayi 'Gold Laced'

Thalictrum delavayi 'Hewitt's Double' (d)

Thalictrum delavayi 'Hinkley'

Thalictrum 'Elin'

Thalictrum flavum subsp. glaucum

Thalictrum flavum 'Illuminator'

Thalictrum isopyroides

Thalictrum kiusianum

Thalictrum lucidum

Thalictrum minus 'Adiantifolium'

Thalictrum pubescens Pursh

Thalictrum sachalinense

Thalictrum 'Splendide'

Thalictrum 'Splendide White'

Thalictrum 'Tukker Princess'

Thelypteris palustris

Thermopsis rhombifolia var. montana

Thermopsis villosa

Thuja koraiensis

Thuja occidentalis 'Amber Glow'

Thuja occidentalis 'Brabant'

Thuja occidentalis 'Brobecks Tower'

Thuja occidentalis 'Degroot's Spire'

Thuja occidentalis 'Europa Gold'

Thuja occidentalis 'Golden Tuffet'

Thuja occidentalis 'Hetz Midget'

Thuja occidentalis 'Jantar'

Thuja occidentalis 'Little Champion'

Thuja occidentalis 'Little Gem'

Thuja occidentalis 'Malonyana'

Thuja occidentalis 'Mr Bowling Ball'

Thuja occidentalis 'Smaragd'

Thuja occidentalis 'Spiralis'

Thuja occidentalis 'Trompenburg'

Thuja occidentalis 'Waterfield'

Thuja plicata 'Whipcord'

Thuja plicata 'Zebrina' (v)

Thujopsis dolabrata

Thujopsis dolabrata 'Aurea' (v)

Thujopsis dolabrata 'Melbourne Gold'

Thujopsis dolabrata 'Nana'

Thujopsis dolabrata 'Variegata' (v)

Tiarella 'Mint Chocolate'

Tiarella 'Mystic Mist' (PBR) (v)

Tiarella 'Ninja'

Tiarella 'Pink Bouquet'

Tiarella polyphylla

Tiarella polyphylla 'Filigran'

Tiarella 'Skyrocket'

Tilia cordata

Tilia × europaea 'Pallida'

Tilia × europaea 'Wratislaviensis'

Toona sinensis 'Flamingo' (v)

Trachelospermum asiaticum

Trachelospermum asiaticum 'Golden Memories'

Trachelospermum jasminoides

Trachelospermum jasminoides 'Waterwheel'

Trachelospermum jasminoides 'Wilsonii'

Trachystemon orientalis

Tradescantia (Andersoniana Group) 'Bilberry Ice'

Tradescantia (Andersoniana Group) 'Charlotte'

Tradescantia (Andersoniana Group) 'In the Navy'

Tradescantia (Andersoniana Group) 'Iris Prichard'

Tradescantia (Andersoniana Group) 'Leonora'

Tradescantia (Andersoniana Group) 'Little Doll'

Tradescantia (Andersoniana Group) 'Little White Doll'

Tradescantia (Andersoniana Group) 'Osprey'

Tradescantia (Andersoniana Group) 'Pauline'

Tradescantia (Andersoniana Group) 'Pink Chablis'

Tradescantia (Andersoniana Group) 'Purewell Giant'

Tradescantia (Andersoniana Group) 'Sunshine Charm' (PBR) (Charm Series)

Tradescantia (Andersoniana Group) 'Sweet Kate'

Tradescantia (Andersoniana Group) 'Zwanenburg Blue'

Tradescantia 'Lucky Charm'

Tricyrtis formosana 'Gilt Edge' (v)

Tricyrtis hirta 'Albomarginata' (v)

Tricyrtis Hototogisu

Tricyrtis 'White Towers'

Trochodendron aralioides

Trollius chinensis 'Golden Queen'

Trollius × cultorum 'Alabaster'

Trollius × cultorum 'Cheddar'

Trollius × cultorum 'Earliest of All'

Trollius × cultorum 'Feuertroll'

Trollius × cultorum 'Goliath'

Trollius × cultorum 'Lemon Queen'

Trollius × cultorum 'Orange Princess'

Trollius hondoensis

Trollius pumilus

Tropaeolum speciosum

Tropaeolum tuberosum var. lineamaculatum 'Ken Aslet'

Tsuga canadensis 'Aurea' (v)

Tsuga canadensis 'Cole's Prostrate'

Tsuga canadensis 'Fantana'

Tsuga canadensis 'Hedgehog'

Tsuga canadensis 'Jacqueline Verkade'

Tsuga canadensis 'Jeddeloh'

Tsuga canadensis 'Verkade Recurved'

Tsuga canadensis 'Vermeulen's Wintergold'

Tsuga caroliniana 'La Bar Weeping'

Tsuga heterophylla 'Ray Godfrey'

Tsuga mertensiana 'Blue Star'

Tsuga sieboldii 'Green Ball'

Tulbaghia fragrans 'Alba'

Tulbaghia simmleri

Ugni molinae 'Flambeau' (v)

Ulex europaeus 'Irish Double' (d)

Ulex gallii

Ulex gallii 'Mizen Head'

Ulmus glabra 'Lutescens'

Ulmus × hollandica 'Dampieri Aurea'

Ulmus × hollandica 'Jacqueline Hillier'

Ulmus parvifolia 'Yatsubusa'

Ulmus pumila 'Beijing Gold'

Vaccinium corymbosum 'Blauweiss-Goldtraube' (F)

Vaccinium corymbosum 'Coville' (F)

Vaccinium corymbosum 'Grover' (F)

Vaccinium corymbosum 'Heerma' (F)

Vaccinium corymbosum 'Jersey' (F)

Vaccinium cylindraceum

Vaccinium macrocarpon 'CN' (F)

Vaccinium macrocarpon 'Early Black' (F)

Vaccinium macrocarpon 'Langlois' (F)

Vaccinium macrocarpon 'Olson's Honkers' (F)

Vaccinium myrtillus

Vaccinium 'Northland' (F)

Vaccinium nummularia

Vaccinium vitis-idaea 'Aalshorst'

Vaccinium vitis-idaea 'Autumn Beauty'

Vaccinium vitis-idaea 'Erntetraum'

Vaccinium vitis-idaea Koralle Group

Vaccinium vitis-idaea 'Leucocarpa'

Vaccinium vitis-idaea subsp. minus

Vaccinium vitis-idaea 'Red Pearl'

Valeriana officinalis

Valeriana phu 'Aurea'

Valeriana saxatilis

Vancouveria chrysantha

Veratrum nigrum

Verbascum 'Caribbean Crush'

Verbascum chaixii 'Sixteen Candles'

Verbascum chaixii 'Wedding Candles'

Verbascum 'Cherry Helen' (PBR)

Verbascum (Cotswold Group) 'Gainsborough'

Verbascum (Cotswold Group) 'Royal Highland'

Verbascum 'Helen Johnson'

Verbascum × hybridum 'Wega'

Verbascum 'June Johnson'

Verbascum nigrum

Verbascum nigrum var. album

Verbascum phoeniceum 'Flush of White'

Verbascum 'Sierra Sunset'

Verbascum 'Southern Charm'

Verbascum 'Spica'

Verbena bonariensis

Verbena bonariensis 'Lollipop' (PBR)

Verbena corymbosa

Verbena hastata 'Alba'

Verbena rigida

Verbena rigida f. lilacina

Verbena stricta

Vernonia arkansana

Vernonia fasciculata

Vernonia gigantea

Vernonia noveboracensis

Veronica 'Baby Doll' (PBR)

Veronica 'Bergen's Blue'

Veronica 'Darwin's Blue' (PBR)

Veronica 'Eveline' (PBR)

Veronica gentianoides

Veronica gentianoides 'Tissington White'

Veronica grandis

Veronica kiusiana

Veronica longifolia 'Blauriesin'

Veronica longifolia 'Schneeriesin'

Veronica 'Pacific Ocean'

Veronica 'Pink Damask'

Veronica porphyriana

Veronica prostrata 'Mrs Holt'

Veronica 'Royal Pink'

Veronica spicata 'Alba'

Veronica spicata 'Blue Bouquet'

Veronica spicata 'Erika'

Veronica spicata 'Nana Blauteppich'

Veronica spicata 'Rosalind'

Veronica spicata 'Rotfuchs'

Veronica spicata 'Twilight' (PBR)

Veronica 'Sunny Border Blue'

Veronica 'White Jolanda'

Veronicastrum sibiricum

Veronicastrum sibiricum 'Red Arrows'

Veronicastrum virginicum 'Apollo'

Veronicastrum virginicum 'Lavendelturm'

Veronicastrum virginicum 'Pointed Finger'

Veronicastrum virginicum f. roseum 'Pink Glow'

Veronicastrum virginicum 'Spring Dew'

Veronicastrum virginicum 'Temptation'

Viburnum awabuki

Viburnum betulifolium

Viburnum bitchiuense

Viburnum × bodnantense 'Charles Lamont'

Viburnum × bodnantense 'Dawn'

Viburnum × bodnantense 'Deben'

Viburnum bracteatum

Viburnum × burkwoodii 'Anika'

Viburnum × burkwoodii 'Anne Russell'

Viburnum × burkwoodii 'Conoy'

Viburnum × burkwoodii 'Fulbrook'

Viburnum × burkwoodii 'Mohawk'

Viburnum × burkwoodii 'Park Farm Hybrid'

Viburnum × carlcephalum 'Cayuga'

Viburnum × carlcephalum 'Van der Maat'

Viburnum carlesii 'Aurora'

Viburnum carlesii 'Charis'

Viburnum carlesii 'Compactum'

Viburnum carlesii 'Diana'

Viburnum carlesii 'Marlou'

Viburnum cinnamomifolium

Viburnum cotinifolium

Viburnum cylindricum

Viburnum dasyanthum

Viburnum davidii

Viburnum dentatum 'Ralph Senior'

Viburnum dentatum 'Synnestvedt'

Viburnum dentatum 'White and Blue'

Viburnum dilatatum 'Erie'

Viburnum dilatatum 'Inneke'

Viburnum dilatatum 'Sealing Wax'

Viburnum erubescens

Viburnum erubescens 'Ward van Teylingen'

Viburnum 'Eskimo'

Viburnum farreri

Viburnum farreri 'Candidissimum'

Viburnum farreri 'December Dwarf'

Viburnum farreri 'Joni'

Viburnum foetidum var. ceanothoides

Viburnum furcatum

Viburnum × globosum 'Jermyns Globe'

Viburnum grandiflorum

Viburnum grandiflorum 'De Oirsprong'

Viburnum harryanum

Viburnum × hillieri 'Winton'

Viburnum 'Huron'

Viburnum ichangense

Viburnum japonicum

Viburnum × juddii

Viburnum lantana 'Aureum'

Viburnum lantana var. discolor

Viburnum lantana 'Mohican'

Viburnum lobophyllum

Viburnum macrocephalum

Viburnum nudum

Viburnum nudum 'Pink Beauty'

Viburnum nudum 'Winterthur'

Viburnum opulus

Viburnum opulus var. americanum 'Hans'

Viburnum opulus 'Amy's Magic Gold'

Viburnum opulus 'Apricot'

Viburnum opulus 'Aureum'

Viburnum opulus 'Compactum'

Viburnum opulus 'Lady Marmalade'

Viburnum opulus 'Nanum'

Viburnum opulus 'Park Harvest'

Viburnum opulus 'Roseum'

Viburnum opulus 'Sylvie'

Viburnum opulus 'Xanthocarpum'

Viburnum parvifolium

Viburnum plicatum f. plicatum 'Grandiflorum'

Viburnum plicatum f. plicatum 'Mary Milton'

Viburnum plicatum f. plicatum [Newport] = 'Newzam'

Viburnum plicatum f. plicatum 'Popcorn'

Viburnum plicatum f. plicatum 'Rosace'

Viburnum plicatum f. plicatum 'Rotundifolium'

Viburnum plicatum f. plicatum [Triumph] = 'Trizam'

Viburnum plicatum f. tomentosum 'Cascade'

Viburnum plicatum f. tomentosum [Kilimanjaro] = 'Jww1'

Viburnum plicatum f. tomentosum 'Lanarth'

Viburnum plicatum f. tomentosum 'Mariesii'

Viburnum plicatum f. tomentosum 'Molly Schroeder'

Viburnum plicatum f. tomentosum 'Nanum Semperflorens'

Viburnum plicatum f. tomentosum 'Pink Beauty'

Viburnum plicatum f. tomentosum 'Shasta'

Viburnum plicatum f. tomentosum 'Shoshoni'

Viburnum plicatum f. tomentosum 'Summer Snowflake'

Viburnum 'Pragense'

Viburnum propinquum

Viburnum × rhytidophylloides 'Alleghany'

Viburnum × rhytidophylloides 'Willowwood'

Viburnum sargentii f. flavum

Viburnum sargentii 'Onondaga'

Viburnum setigerum 'Aurantiacum'

Viburnum sieboldii 'Seneca'

Viburnum subalpinum

Viburnum tinus 'Eve Price'

Viburnum tinus 'French White'

Viburnum tinus 'Gwenllian'

Viburnum tinus 'Little Bognor'

Viburnum tinus 'Lucidum'

Viburnum tinus 'Macrophyllum'

Viburnum tinus 'Purpureum'

Viburnum tinus [Spirit] = 'Anvi' (PBR)

Viburnum tinus 'Spring Bouquet'

Viburnum tinus 'Variegatum' (v)

Viburnum wrightii

Vinca difformis 'Jenny Pym'

Vinca difformis 'Snowmound'

Vinca major 'Expoflora' (v)

Vinca major var. oxyloba

Vinca major 'Variegata' (v)

Vinca major 'Wojo's Jem' (v)

Vinca minor f. alba

Vinca minor 'Atropurpurea'

Vinca minor 'Azurea Flore Pleno' (d)

Vinca minor 'Illumination' (v)

Vinca minor 'La Grave'

Vinca minor 'Ralph Shugert'

Viola 'Coeur d'Alsace' (Vt)

Viola 'Dawn' (Vtta)

Viola 'Elaine Quin'

Viola 'Etain' (Va)

Viola 'Governor Herrick' (Vt)

Viola 'Miracle Ice White' (Miracle Series) (Vt)

Viola 'Miracle Intense Blue' (Miracle Series) (Vt)

Viola 'Mrs Lancaster' (Va)

Vitex agnus-castus

Vitex agnus-castus 'Alba'

Vitex agnus-castus var. latifolia

Vitex agnus-castus 'Rosea'

Vitex agnus-castus 'Silver Spire'

Vitis 'Boskoop Glory' (O/B)

Vitis 'Brant' (O/B)

Vitis californica (F)

Vitis coignetiae

Vitis coignetiae [Claret Cloak] = 'Frovit' (PBR)

Vitis coignetiae Sunningdale form

Vitis 'Fragola' (O/R)

Vitis 'Muscat Bleu' (O/B)

Vitis 'Phönix' (O/W)

Vitis 'Regent' (PBR) (O/B)

Vitis riparia

Vitis vinifera 'Bacchus' (O/W)

Vitis vinifera 'Lakemont' (O/W/S)

Vitis vinifera 'Purpurea' (O/B)

Vitis vinifera 'Spetchley Red' (O/B)

Vitis vinifera 'Vroege van der Laan' (O/W)

Waldsteinia ternata

Weigela [Briant Rubidor] = 'Olympiade' (v)

Weigela 'Candida'

Weigela [Cappuccino] = 'Verweig 2' (PBR)

Weigela [Carnaval] = 'Courtalor' (PBR)

Weigela 'Eva Rathke'

Weigela florida 'Bristol Snowflake'

Weigela florida 'Foliis Purpureis'

Weigela florida [Minor Black] = 'Verweig 3' (PBR)

Weigela florida [Monet] = 'Verweig' (PBR) (v)

Weigela florida [Wine and Roses] = 'Alexandra' (PBR)

Weigela 'Gold Rush'

Weigela 'Hulsdonk'

Weigela 'Looymansii Aurea'

Weigela middendorffiana

Weigela [Nain Rouge] = 'Courtanin' (PBR)

Weigela [Naomi Campbell] = 'Bokrashine' (PBR)

Weigela [Pink Poppet] = 'Plangen' (PBR)

Wisteria 'Betty's Dwarf Blue'

Wisteria brachybotrys 'Shiro-kapitan'

Wisteria 'Burford'

Wisteria floribunda 'Domino'

Wisteria floribunda 'Issai Perfect'

Wisteria floribunda 'Issai-naga'

Wisteria floribunda 'Kuchi-beni'

Wisteria floribunda 'Lawrence'

Wisteria floribunda 'Multijuga'

Wisteria floribunda 'Rosea'

Wisteria floribunda 'Royal Purple'

Wisteria floribunda 'Russelliana'

Wisteria floribunda 'Violacea Plena' (d)

Wisteria floribunda 'Yae-kokuryu' (d)

Wisteria frutescens

Wisteria 'Lavender Lace'

Wisteria macrostachya 'Aunt Dee'

Wisteria sinensis

Wisteria sinensis 'Blue Sapphire'

Wisteria sinensis 'Prolific'

Woodsia obtusa

Woodwardia fimbriata

Wulfenia carinthiaca

Xanthoceras sorbifolium

Xanthocyparis nootkatensis 'Kanada'

Xanthorhiza simplicissima

Ypsilandra thibetica

Yucca filamentosa 'Color Guard' (v)

Yucca flaccida 'Golden Sword' (v)

Yucca flaccida 'Ivory'

Zantedeschia aethiopica 'Crowborough'

Zanthoxylum simulans

Zelkova serrata 'Goblin'

Zelkova serrata 'Urban Ruby'

Zelkova serrata 'Variegata' (v)

Zenobia pulverulenta

Zenobia pulverulenta 'Blue Sky'

Zenobia pulverulenta f. nitida

Zenobia pulverulenta 'Raspberry Ripple'

Zenobia pulverulenta 'Viridis'

New search

Find an RHS nursery

Type part of the nursery name or the full nursery code, or select a region or speciality. You need complete only one box.

Advertise here

How to cite us

If you find the database useful for your work, please mention it when citing sources of information. It may be cited as…

‘The Royal Horticultural Society Horticultural Database’, available at www.rhs.org.uk