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1741 plants listed

Acanthus spinosus Spinosissimus Group

Acer sempervirens

Achillea ageratum

Achillea sibirica subsp. camschatica 'Love Parade'

Achyranthes bidentata var. longifolia

Acis autumnalis

Aconitum carmichaelii (Wilsonii Group) 'SpÀtlese'

Aconitum 'Cloudy'

Aconitum 'Ivorine'

Aconitum napellus

Aconitum napellus subsp. vulgare 'Albidum'

Aconitum 'Shirui Blue'

Aconitum 'Stainless Steel'

Actaea japonica from Cheju Do

Adonis amurensis ambig.

Adoxa moschatellina

Aesculus indica

Agapanthus 'Black Pantha' (PBR)

Agapanthus Headbourne hybrids

Agapanthus 'Midnight Star'

Agapanthus 'Tinkerbell' (v)

Agapanthus 'Windsor Grey'

Agastache 'Blackadder'

Agastache rugosa

Ailanthus altissima

Akebia longeracemosa

Alchemilla alpina L.

Allium ampeloprasum var. babingtonii

Allium ampeloprasum 'Elephant'

Allium angulosum

Allium carinatum subsp. pulchellum f. album

Allium cepa 'Perutile'

Allium cepa Proliferum Group

Allium cernuum

Allium chinense

Allium cristophii

Allium cyathophorum var. farreri

Allium fistulosum

Allium flavum 'Blue Leaf'

Allium 'Globemaster'

Allium hookeri

Allium hookeri var. muliense

Allium hookeri 'Zorami'

Allium nutans

Allium paradoxum

Allium przewalskianum

Allium ramosum L.

Allium 'Round and Purple'

Allium sativum 'Albanian Late'

Allium schoenoprasum f. albiflorum

Allium schoenoprasum 'Black Isle Blush'

Allium schoenoprasum 'Corsican White'

Allium schoenoprasum 'Forescate'

Allium schoenoprasum 'Pink Perfection'

Allium schoenoprasum 'Shining Silver'

Allium schoenoprasum 'Wallington White'

Allium senescens

Allium senescens subsp. glaucum

Allium senescens subsp. senescens

Allium sikkimense

Allium sphaerocephalon

Allium 'Summer Drummer'

Allium thunbergii

Allium triquetrum

Allium tuberosum

Allium tuncelianum

Allium ursinum

Allium vineale

Allium wallichii

Allium wallichii

Aloe striatula

Alpinia formosana

Alpinia japonica

Alpinia japonica

× Amarcrinum memoria-corsii 'Howardii'

Amelanchier canadensis (L.) Medik.

Amelanchier × grandiflora 'Ballerina'

Ammi majus

Amorphophallus albus

Amorphophallus dunnii

Amorphophallus konjac

Amorphophallus rivieri

Amorphophallus stipitatus

Amsonia ciliata

Amsonia hubrichtii

Amsonia illustris

Amsonia orientalis

Amsonia tabernaemontana

Amsonia tabernaemontana var. salicifolia

Anemone apennina 'Petrovac'

Anemone blanda blue-flowered

Anemone caerulea

Anemone hupehensis var. japonica

Anemone × hybrida 'Lady Gilmour' Wolley-Dod

Anemone × lipsiensis 'Pallida'

Anemone nemorosa 'Bill Baker's Pink'

Anemone nemorosa 'Blue Eyes' (d)

Anemone nemorosa 'Blush'

Anemone nemorosa 'Dee Day'

Anemone nemorosa 'Gerda Ramusen'

Anemone nemorosa 'Ice and Fire'

Anemone nemorosa 'Jack Brownless'

Anemone nemorosa 'Latvian Pink'

Anemone nemorosa 'Leeds' Variety'

Anemone nemorosa 'Lionel Bacon'

Anemone nemorosa 'Parlez Vous'

Anemone nemorosa 'Robinsoniana'

Anemone nemorosa 'Rosea'

Anemone nemorosa 'Royal Blue'

Anemone nemorosa 'Vestal' (d)

Anemone nemorosa 'Wyatt's Pink'

Anemone palmata

Anemone prattii

Anemone pseudoaltaica

Anemone ranunculoides

Anemone ranunculoides 'Bill Baker'

Anemone ranunculoides 'Semi-Plena'

Anemone ranunculoides subsp. wockeana

Anemone rivularis

Anemone rivularis

Anemone sylvestris

Anemone virginiana

Angelica archangelica

Angelica edulis

Angelica gigas

Angelica sinensis

Angelica sylvestris 'Ebony'

Angelica sylvestris 'Vicar's Mead'

Anredera cordifolia

Anthemis tinctoria 'Sauce Hollandaise'

Anthriscus sylvestris 'Kabir'

Anthriscus sylvestris 'Ravenswing'

Anthriscus sylvestris 'Shateley Pink'

Apios americana

Arachniodes standishii

Aralia californica

Aralia cordata Thunb.

Aralia echinocaulis

Aralia racemosa

Aralia spinosa L.

Arisaema ringens (Thunberg) Schott

Arisaema tortuosum

Arisarum proboscideum

Aristolochia californica

Aristolochia clematitis

Aristolochia sempervirens

Aristotelia chilensis

Armeria juniperifolia 'Bevan's Variety'

Armeria maritima 'Alba'

Armeria maritima 'Rubrifolia'

Armeria pseudarmeria 'Ballerina' (Ballerina Series)

Armoracia rusticana 'Variegata' (v)

Aronia melanocarpa

Aronia melanocarpa 'Hugin'

Aronia × prunifolia

Aronia × prunifolia 'Nero' (F)

Aronia × prunifolia 'Viking' (F)

Artemisia abrotanum

Artemisia dracunculus French

Artemisia lactiflora 'Laigong'

Artemisia ludoviciana 'Silver Queen'

Artemisia pontica

Artemisia princeps

Arthropodium candidum 'Maculatum'

Arum cyrenaicum

Arum italicum subsp. italicum 'Marmoratum'

Arum pictum

Aruncus aethusifolius

Aruncus dioicus

Aruncus 'Guinea Fowl'

Aruncus 'Horatio'

Arundo donax 'Macrophylla'

Arundo donax var. versicolor (v)

Asarum canadense

Asarum caudatum

Asarum delavayi

Asarum europaeum

Asarum europaeum

Asarum lemmonii

Asarum splendens

Asparagus schoberioides

Asphodeline lutea

Asphodelus fistulosus

Aspidistra elatior

Astelia chathamica

Astelia fragrans

Astelia grandis

Astelia nervosa

Astelia nervosa 'Westland'

Astelia nivicola 'Red Gem'

Aster 'Coombe Fishacre'

Aster divaricatus

Aster ericoides 'Pink Cloud'

Aster ericoides f. prostratus 'Snow Flurry'

Aster × frikartii 'Mönch'

Aster × herveyi

Aster 'Kylie'

Aster laevis

Aster 'Little Carlow' (cordifolius hybrid)

Aster novae-angliae 'Andenken an Alma Pötschke'

Aster novae-angliae 'Christopher Harbutt'

Aster novae-angliae 'Herbstschnee'

Aster novae-angliae 'Mrs S.T. Wright'

Aster novae-angliae 'Rosa Sieger'

Aster novae-angliae 'Septemberrubin'

Aster novi-belgii 'Fellowship'

Aster novi-belgii 'Lady in Blue'

Aster novi-belgii 'Marie Ballard'

Aster novi-belgii 'Purple Dome'

Aster novi-belgii 'Winston S. Churchill'

Aster 'Photograph'

Aster 'Pink Star'

Aster 'Primrose Path'

Aster schreberi

Aster sedifolius

Aster [Sunplum] = 'Danasplum' (PBR)

Astilboides tabularis

Astrantia 'Hadspen Blood'

Astrantia major 'Sunningdale Variegated' (v)

Astrantia maxima

Astrantia 'Roma' (PBR)

Astrodaucus orientalis

Athamanta turbith

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

Athyrium niponicum var. pictum

Athyrium otophorum var. okanum

Azara lanceolata

Azara petiolaris

Ballota pseudodictamnus

Baptisia australis 'Caspian Blue'

Baptisia bracteata var. leucophaea

Baptisia 'Purple Smoke'

Begonia grandis subsp. evansiana

Begonia grandis Dryand. subsp. evansiana (Andrews) Irmsch. var. alba hort.

Begonia grandis subsp. evansiana 'Sublime'

Berberis empetrifolia

Berberis panlanensis

Bergenia ciliata

Bergenia cordifolia 'Tubby Andrews' (v)

Bergenia emeiensis

Bergenia 'Rotblum'

Berkheya purpurea

Beschorneria yuccoides

Bidens aurea

Billbergia nutans

Blechnum chilense

Blechnum penna-marina

Bletilla striata

Bletilla striata f. gebina

Bletilla striata f. gebina variegated (v)

Bomarea edulis

Borago pygmaea

Bouteloua gracilis

Boykinia lycoctonifolia

Brimeura amethystina

Briza maxima

Briza media 'Golden Bee'

Briza media 'Limouzi'

Brunnera macrophylla

Buddleja macrostachya

Bunias orientalis

Bunium bulbocastanum

Bupleurum longifolium

Bupleurum rotundifolium

Buxus sempervirens

Calamagrostis × acutiflora 'Karl Foerster'

Calamagrostis × acutiflora 'Overdam' (v)

Calamagrostis brachytricha

Calamagrostis epigejos

Calamintha grandiflora

Calanthe Kozu gx

Calycanthus floridus

Camassia leichtlinii subsp. leichtlinii

Camassia leichtlinii subsp. suksdorfii Caerulea Group

Camassia quamash

Camassia quamash 'Blue Melody' (v)

Campanula glomerata var. acaulis hort.

Campanula glomerata 'Caroline'

Campanula glomerata 'Joan Elliott'

Campanula glomerata 'Superba'

Campanula punctata

Campanula 'Sarastro'

Campanula takesimana

Campanula trachelium f. alba 'Alba Flore Pleno' (d)

Cardamine bulbifera

Cardamine diphylla

Cardamine glanduligera

Cardamine kitaibelii

Cardamine macrophylla

Cardamine maxima

Cardamine pentaphylla

Cardamine pratensis 'Flore Pleno' (d)

Cardamine pratensis 'Flore Pleno' white-flowered (d)

Cardamine quinquefolia

Cardamine raphanifolia

Cardamine trifolia

Cardamine waldsteinii

Carex buchananii

Carex comans 'Frosted Curls'

Carex conica 'Snowline' (v)

Carex dolichostachya 'Kaga-nishiki' (v)

Carex elata 'Aurea'

Carex grayi

Carex 'Ice Dance' (v)

Carex muskingumensis

Carex muskingumensis 'Little Midge'

Carex muskingumensis 'Oehme' (v)

Carex muskingumensis 'Silberstreif' (v)

Carex plantaginea

Carex siderosticha 'Golden Falls' (v)

Carex siderosticha 'Variegata' (v)

Carex solandri

Carpinus orientalis

Catalpa bignonioides

Caulokaempferia petelotii

Caulophyllum thalictroides

Cautleya cathcartii

Cautleya gracilis 'Crûg Gold'

Cautleya spicata 'Arun Flame'

Cautleya spicata 'Crûg Canary'

Cautleya spicata var. lutea

Cautleya spicata 'Robusta'

Celtis australis

Cenolophium denudatum

Centaurea glastifolia

Centaurea 'John Coutts'

Centaurea macrocephala

Centella asiatica

Centranthus ruber

Cephalaria gigantea

Cephalaria natalensis

Ceratostigma abyssinicum

Ceratostigma plumbaginoides

Cercis occidentalis

Cercis siliquastrum

Chaenomeles speciosa 'Moerloosei'

Chaerophyllum hirsutum 'Roseum'

Chamaemelum nobile dwarf, double-flowered (d)

Chamaenerion angustifolium 'Album'

Chelone glabra

Chelone obliqua

Chelone obliqua 'Ieniemienie'

Chelonopsis moschata

Chimonanthus praecox

Chionochloa rubra

Chloranthus oldhamii

Chrysanthemum weyrichii

Chrysosplenium macrophyllum

Chusquea culeou

Cirsium heterophyllum

Cirsium heterophyllum

Cirsium oleraceum

Cirsium tuberosum

Clematis chinensis Osbeck

Clematis simensis

Clerodendrum bungei

Colchicum 'Jochem Hof'

Collinsonia canadensis

Commelina dianthifolia

Convallaria majalis 'Hofheim' (v)

Cornus canadensis

Cornus kousa var. chinensis

Cornus mas

Cornus mas 'Jolico' (F)

Cornus 'Norman Hadden'

Cornus officinalis

Corydalis cheilanthifolia

Corydalis 'Kingfisher'

Corydalis solida

Corydalis solida subsp. solida 'Beth Evans'

Corydalis solida subsp. solida 'George Baker'

Corydalis temulifolia 'Chocolate Stars'

Corylus avellana 'Cosford' (F)

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

Corylus colurna

Corylus maxima 'Red Filbert' (F)

Corylus tibetica

Crambe maritima 'Lilywhite'

Crataegus pinnatifida var. major

Crinum moorei

Crinum × powellii

Crinum × powellii 'Album'

Crocosmia 'Auricorn'

Crocosmia × crocosmiiflora 'African Glow'

Crocosmia × crocosmiiflora 'Babylon'

Crocosmia × crocosmiiflora 'Carmin Brillant'

Crocosmia × crocosmiiflora 'Emily McKenzie'

Crocosmia × crocosmiiflora 'Norwich Canary'

Crocosmia × crocosmiiflora 'Saracen'

Crocosmia × crocosmiiflora 'Star of the East'

Crocosmia × crocosmiiflora 'Zeal Tan'

Crocosmia 'Emberglow'

Crocosmia 'Hellfire'

Crocosmia 'Limpopo'

Crocosmia 'Lucifer'

Crocosmia masoniorum

Cryptotaenia japonica

Cryptotaenia japonica f. atropurpurea

Cyclamen hederifolium

Cyclamen hederifolium 'Amaze Me'

Cyclamen hederifolium var. hederifolium f. albiflorum

Cydonia oblonga 'Vranja' Nenadovic (F)

Cynara cardunculus

Cynara cardunculus 'Gobbo di Nizza'

Cynara cardunculus (Scolymus Group) 'Carciofo Violetto Precoce'

Cynara cardunculus (Scolymus Group) 'Purple Globe'

Cynara cardunculus (Scolymus Group) 'Vert Globe'

Cynara cardunculus (Scolymus Group) 'Violet de Provence'

Cynara cardunculus (Scolymus Group) 'Violetto di Chioggia'

Cynodon aethiopicus

Cyperus esculentus

Cyrtanthus elatus

Cyrtomium falcatum

Dacrycarpus dacrydioides

Dactylorhiza fuchsii

Dactylorhiza hybrid

Dahlia imperialis (B)

Daphne mezereum

Daphne tangutica Retusa Group

Dasylirion texanum

Daucus carota

Decaisnea fargesii

Deinanthe bifida

Deinanthe caerulea

Deschampsia cespitosa 'Bronzeschleier'

Deschampsia cespitosa 'Goldschleier'

Deschampsia cespitosa 'Goldtau'

Deschampsia cespitosa 'Schottland'

Deutzia × hybrida 'Magicien' Lemoine

Deutzia setchuenensis

Dianella caerulea

Dianella ensifolia

Dianella nigra

Dianella tasmanica

Dianthus arenarius

Dianthus carthusianorum

Dianthus deltoides

Dianthus gratianopolitanus

Dictamnus albus

Dierama pulcherrimum

Dietes bicolor

Digitalis ferruginea

Digitalis ferruginea 'Gigantea'

Digitalis 'Glory of Roundway'

Digitalis laevigata

Digitalis parviflora Jacq.

Digitalis purpurea f. albiflora

Digitalis 'Spice Island'

Dioscorea batatas

Dioscorea japonica

Dioscorea villosa

Diospyros lotus

Diplarrena moraea

Discaria chacaye

Disporopsis aspersa

Disporopsis fuscopicta

Disporopsis luzoniensis

Disporopsis pernyi

Disporopsis pernyi 'Bill Baker'

Disporopsis taiwanensis

Disporopsis undulata

Disporum cantoniense

Disporum cantoniense

Disporum cantoniense 'Aureovariegata'

Disporum cantoniense var. sikkimense

Disporum cantoniense var. sikkimense

Disporum longistylum

Disporum longistylum

Disporum longistylum 'Green Giant'

Disporum longistylum 'Night Heron'

Disporum megalanthum

Disporum nantouense

Disporum sessile

Disporum sessile 'Variegatum' (v)

Disporum sessile var. yakushimense

Disporum smilacinum 'Aureovariegatum' (v)

Disporum trabeculatum 'Nakafu'

Disporum uniflorum

Disporum uniflorum

Disporum viridescens

Dodecatheon dentatum

Dodecatheon jeffreyi

Dodecatheon meadia

Dodecatheon meadia f. album

Dodecatheon meadia 'Queen Victoria'

Dodecatheon pulchellum subsp. cusickii

Doronicum austriacum

Doronicum × excelsum 'Harpur Crewe'

Dracocephalum argunense 'Blue Carpet'

Dryopteris dilatata 'Crispa Whiteside'

Dryopteris filix-mas

Ecballium elaterium

Echinacea pallida

Echinacea purpurea 'Primadonna Deep Rose'

Elaeagnus umbellata

Elaeagnus umbellata 'Red Cascade' (F)

Elaeagnus umbellata 'Ruby' (F)

Elaeocarpus sylvestris var. ellipticus

Elettaria cardamomum

Ellisiophyllum pinnatum

Eomecon chionantha

Epimedium acuminatum

Epimedium acuminatum 'Galaxy'

Epimedium alpinum

Epimedium 'Amanogawa'

Epimedium 'Amber Queen' (PBR)

Epimedium chlorandrum

Epimedium davidii

Epimedium ecalcaratum

Epimedium epsteinii

Epimedium fargesii

Epimedium fargesii 'Pink Constellation'

Epimedium grandiflorum 'Crimson Queen'

Epimedium grandiflorum 'Lilafee'

Epimedium grandiflorum 'Queen Esta'

Epimedium ilicifolium

Epimedium 'Jean O'Neill'

Epimedium latisepalum

Epimedium leptorrhizum

Epimedium leptorrhizum 'Mariko'

Epimedium membranaceum

Epimedium myrianthum

Epimedium ogisui

Epimedium pauciflorum

Epimedium 'Pink Champagne'

Epimedium pinnatum subsp. colchicum

Epimedium pubigerum

Epimedium 'Spine Tingler'

Epimedium 'Suzuka'

Epimedium 'Tama-no-genpei'

Epimedium × warleyense

Epimedium wushanense

Epimedium wushanense 'Caramel'

Epimedium zhushanense

Equisetum hyemale var. affine

Equisetum ramosissimum var. japonicum

Equisetum telmateia

Eragrostis trichodes

Eryngium agavifolium

Eryngium deppeanum

Eryngium giganteum

Eryngium pandanifolium

Eryngium yuccifolium

Erythronium californicum 'White Beauty'

Erythronium dens-canis

Erythronium dens-canis 'Lilac Wonder'

Erythronium dens-canis 'Pink Perfection'

Erythronium dens-canis 'Snowflake'

Erythronium 'Pagoda'

Eucomis bicolor

Eucomis comosa

Eucomis pallidiflora

Euonymus alatus 'Timber Creek'

Euonymus europaeus 'Red Cascade'

Euonymus fortunei

Euonymus grandiflorus 'Red Wine'

Euonymus hamiltonianus subsp. sieboldianus

Euonymus latifolius

Eupatorium dubium 'Little Joe'

Eupatorium maculatum Atropurpureum Group

Eupatorium maculatum (Atropurpureum Group) 'Red Dwarf'

Eupatorium maculatum (Atropurpureum Group) 'Riesenschirm'

Euphorbia villosa Waldst. & Kit. ex Willd.

Fagopyrum dibotrys

Fallopia multiflora

Farfugium japonicum 'Aureomaculatum' (v)

Farfugium japonicum 'Crispatum'

Fargesia dracocephala

Fargesia robusta 'Ming Yunnan'

Fascicularia bicolor

Fascicularia bicolor subsp. canaliculata

Ferulago sylvatica

Festuca vivipara

Ficus carica 'Adam' (F)

Ficus carica 'Brunswick' (F)

Ficus carica 'Violette Dauphine' (F)

Filipendula camtschatica

Filipendula rubra 'Venusta'

Filipendula ulmaria 'Aurea'

Fragaria × ananassa 'Alice' (PBR) (F)

Fragaria × ananassa 'Elsanta' (F)

Fragaria × ananassa 'Flamenco' (PBR) (F)

Fragaria × ananassa 'Florence' (PBR) (F)

Fragaria × ananassa 'Florian' (F)

Fragaria × ananassa 'Hapil' (F)

Fragaria × ananassa 'Honeoye' (F)

Fragaria × ananassa 'Pandora' (F)

Fragaria × ananassa 'Royal Sovereign' (F)

Fragaria × ananassa 'Sophie' (PBR) (F)

Fragaria chiloensis (F)

Fragaria vesca 'Muricata'

Fraxinus ornus

Freesia laxa

Fuchsia excorticata

Furcraea parmentieri

Galega officinalis 'Alba'

Galega orientalis

Galtonia candicans

Galtonia viridiflora

Gaultheria pumila

Gentiana asclepiadea

Gentiana asclepiadea 'Alba'

Gentiana tibetica

Geranium (Cinereum Group) 'Ballerina'

Geranium 'Johnson's Blue'

Geranium macrorrhizum

Geranium macrorrhizum 'Variegatum' (v)

Geranium maculatum 'Beth Chatto'

Geranium maculatum 'Espresso'

Geranium × monacense

Geranium nodosum

Geranium nodosum 'Julie's Velvet'

Geranium 'Orkney Pink'

Geranium phaeum

Geranium phaeum 'Album'

Geranium phaeum 'All Saints'

Geranium phaeum 'Blue Shadow'

Geranium phaeum 'Lily Lovell'

Geranium phaeum 'Margaret Wilson' (v)

Geranium phaeum var. phaeum 'Langthorns Blue'

Geranium phaeum var. phaeum 'Samobor'

Geranium phaeum 'Rose Madder'

Geranium phaeum 'Stillingfleet Ghost'

Geranium pratense Victor Reiter Junior strain

Geranium psilostemon

Geranium sanguineum

Geranium sanguineum 'Album'

Geranium sanguineum 'Max Frei'

Geranium sanguineum var. striatum

Geranium subcaulescens

Geranium sylvaticum 'Album'

Geum 'Bell Bank'

Geum chiloense

Geum coccineum 'Eos'

Geum 'Flames of Passion' (PBR)

Geum rivale 'Album'

Geum rivale 'Leonard's Variety'

Geum triflorum

Gillenia stipulata

Gillenia trifoliata

Ginkgo biloba

Gladiolus cardinalis

Gladiolus 'Charm' (N/Tub)

Gladiolus × colvillii 'The Bride'

Gladiolus communis subsp. byzantinus

Gladiolus dalenii

Gladiolus 'Nymph' (N)

Gladiolus oppositiflorus

Gladiolus papilio

Gladiolus 'Ruby' (papilio hybrid)

Gleditsia caspia

Gleditsia koraiensis

Gleditsia triacanthos

Grevillea 'Canberra Gem'

Grevillea 'Olympic Flame'

Griselinia ruscifolia

Gunnera magellanica

Gunnera manicata

Gymnocarpium dryopteris

Gymnocarpium dryopteris 'Plumosum'

Gymnocladus dioica

Hablitzia tamnoides

Hakonechloa macra

Hakonechloa macra 'Albovariegata' (v)

Hakonechloa macra 'All Gold'

Hakonechloa macra 'Aureola'

Hakonechloa macra 'Nicolas'

Haloragis erecta 'Wellington Bronze'

Hedychium aurantiacum

Hedychium coccineum 'Shillong Orange Ghost'

Hedychium densiflorum

Hedychium densiflorum 'Assam Orange'

Hedychium densiflorum 'Sorung'

Hedychium densiflorum 'Stephen'

Hedychium gardnerianum

Hedychium greenii

Hedychium spicatum

Hedychium spicatum 'Huani'

Hedychium 'Tara'

Hedychium yunnanense

Helenium 'Baudirektor Linne'

Helenium 'Dauerbrenner'

Helenium 'Julisamt'

Helenium 'Mahagoni'

Helenium 'Moerheim Beauty'

Helenium 'Pumilum Magnificum'

Helenium 'Red Army'

Helenium 'Rubinzwerg'

Helenium 'Sahin's Early Flowerer'

Helenium 'Septemberfuchs'

Helenium 'Vivace'

Helenium 'Waltraut'

Helianthus 'Capenoch Star'

Helianthus 'Lemon Queen'

Helianthus 'Miss Mellish'

Helianthus salicifolius

Helianthus tuberosus 'Garnet'

Helianthus tuberosus 'Sugarball'

Helictotrichon sempervirens

Helleborus × hybridus Party Dress Group (d)

Helleborus × hybridus slaty blue-flowered

Helleborus × hybridus Washfield double-flowered (d)

Heloniopsis orientalis var. breviscapa

Heloniopsis orientalis var. breviscapa 'A-so'

Hemerocallis 'Bonanza'

Hemerocallis 'Catherine Woodbery'

Hemerocallis 'Golden Chimes'

Hemerocallis 'Hyperion'

Hemerocallis 'Lemon Bells'

Hemerocallis lilioasphodelus

Hemerocallis 'Penny's Worth'

Hemerocallis 'Staghorn Sumac'

Hemerocallis 'Stella de Oro'

Hemerocallis 'Thelma Perry'

Hepatica nobilis var. pyrenaica

Hesperaloe parviflora

Hesperis matronalis

Hesperis nivea

Heteromeles salicifolia

Heuchera 'Emperor's Cloak'

Hibiscus mutabilis

Hippophae rhamnoides

Holboellia latifolia

Holodiscus discolor

Homalocladium platycladum

Hosta 'August Moon'

Hosta 'Blue Angel' (sieboldiana)

Hosta fortunei var. albopicta (v)

Hosta 'Francee' (fortunei) (v)

Hosta 'Green Acres' (montana)

Hosta 'Honeybells'

Hosta 'Krossa Regal'

Hosta plantaginea

Hosta 'Red October'

Hosta 'Royal Standard'

Hosta 'Sum and Substance'

Hosta 'Wide Brim' (v)

Hosta yingeri

Houttuynia cordata

Hovenia dulcis

Hydrangea arborescens 'Annabelle'

Hydrangea arborescens subsp. discolor

Hydrangea arborescens 'Hayes Starburst' (PBR)

Hydrangea arborescens 'Ryan Gainey'

Hydrangea paniculata 'Brussels Lace'

Hydrangea paniculata 'Limelight' (PBR)

Hydrangea paniculata 'Phantom'

Hydrangea serrata

Hydrastis canadensis

Hydrophyllum virginianum

Hylomecon japonica

Hypericum revolutum

Ilex aquifolium

Ilex rotunda

Illicium floridanum

Impatiens omeiana

Impatiens omeiana 'Ice Storm'

Inula helenium

Inula hookeri

Inula magnifica

Inula magnifica 'Sonnenstrahl'

Ipheion uniflorum f. album

Iris albicans

Iris 'Cherry Garden' (SDB)

Iris chrysographes 'Inshriach'

Iris chrysographes 'Kew Black'

Iris colchica

Iris 'Dreaming Yellow' (Sib)

Iris ensata 'Galatea'

Iris ensata 'Ruby King'

Iris ensata 'Variegata' (v)

Iris 'Ewen' (Sib)

Iris 'Flight of Butterflies' (Sib)

Iris foetidissima var. citrina

Iris 'Holden Clough' (SpH)

Iris pseudacorus 'Variegata' (v)

Iris × robusta 'Gerald Darby'

Iris 'Ruby Wine' (Sib)

Iris setosa

Iris setosa var. arctica

Iris sibirica

Iris 'Silver Edge' (Sib)

Iris 'Summer Sky' (Sib)

Iris 'Titan's Glory' (TB)

Itea virginica 'Henry's Garnet'

Jaborosa integrifolia

Jasminum humile f. wallichianum

Jeffersonia diphylla

Jeffersonia dubia

Juglans regia (F)

Kalimeris yomena 'Shogun' (v)

Kalopanax septemlobus

Kirengeshoma palmata

Kirengeshoma palmata Koreana Group

Knautia macedonica

Kniphofia 'Bressingham Comet'

Kniphofia 'Brimstone' Bloom

Kniphofia foliosa Hochst.

Kniphofia gracilis

Kniphofia ichopensis

Kniphofia 'Jane Henry'

Kniphofia 'Jenny Bloom'

Kniphofia northiae

Kniphofia 'Percy's Pride'

Kniphofia 'Rich Echoes'

Kniphofia rooperi

Kniphofia rufa Baker

Kniphofia 'Timothy'

Kniphofia triangularis subsp. triangularis 'Light of the World'

Koelreuteria paniculata

Kolkwitzia amabilis 'Pink Cloud'

Lamium orvala

Lamium orvala 'Album'

Lamium orvala 'Silva'

Laser trilobum

Lathyrus niger

Lathyrus vernus 'Gracilis'

Lathyrus vernus 'Rosenelfe'

Ledebouria cooperi

Ledebouria socialis

Lepidium latifolium

Leptinella squalida 'Platt's Black'

Leucanthemella serotina

Leucanthemum × superbum 'Bishopstone'

Leucanthemum × superbum 'Eisstern'

Leucojum aestivum 'Gravetye Giant'

Levisticum officinale

Liatris ligulistylis

Liatris spicata 'Alba'

Libertia grandiflora

Libertia ixioides

Libertia ixioides 'Goldfinger' (v)

Libertia peregrinans

Libertia procera

Ligularia dentata 'Desdemona'

Ligularia fischeri

Ligularia hodgsonii

Ligularia japonica

Ligularia 'The Rocket'

Ligularia × yoshizoeana 'Palmatiloba'

Ligusticum lucidum

Ligusticum scoticum

Lilium speciosum var. album (IXb-c/d)

Liquidambar styraciflua 'Lane Roberts'

Liquidambar styraciflua 'Oconee'

Liquidambar styraciflua 'Stared'

Liriope muscari 'Monroe White'

Liriope muscari 'Variegata' (v)

Liriope spicata 'Gin-ryu' (v)

Lobelia siphilitica

Lobelia tupa

Lomandra longifolia

Lonicera alseuosmoides

Lonicera × americana (Miller) K. Koch

Lonicera caerulea var. altaica

Lonicera caerulea var. edulis

Lonicera × purpusii 'Winter Beauty'

Lonicera standishii 'Budapest'

Lonicera syringantha

Lonicera tatarica 'Hack's Red'

Lonicera tragophylla

Luma apiculata 'Nana'

Luma chequen

Lunaria annua 'Chedglow'

Lunaria annua 'Ruth'

Lunaria rediviva

Luzula pilosa 'Igel'

Luzula purpureosplendens

Luzula sylvatica 'Hohe Tatra'

Lychnis coronaria Oculata Group

Lychnis flos-cuculi

Lychnis flos-cuculi [Jenny] = 'Lychjen' (PBR) (d)

Lychnis flos-cuculi 'White Robin'

Lycium barbarum

Lycium barbarum 'Big Lifeberry'

Lycium barbarum 'Sweet Lifeberry'

Lysimachia clethroides

Lysimachia ephemerum

Maclura pomifera

Magnolia grandiflora

Magnolia insignis

Maianthemum bicolor

Maianthemum bifolium

Maianthemum bifolium subsp. kamtschaticum

Maianthemum bifolium subsp. kamtschaticum var. minimum

Maianthemum bifolium subsp. kamtschaticum var. pumilum

Maianthemum canadense

Maianthemum flexuosum

Maianthemum fuscum

Maianthemum henryi

Maianthemum japonicum

Maianthemum oleraceum

Maianthemum paniculatum

Maianthemum racemosum

Maianthemum stellatum

Maianthemum tatsienense

Malus domestica 'Barnack Beauty' (D)

Malus domestica 'Blenheim Orange' (C/D)

Malus domestica 'Braeburn' (D)

Malus domestica 'Court Pendu Plat' (D)

Malus domestica 'Discovery' (D)

Malus domestica 'Winter Banana' (D)

Malus toringo

Malus 'Veitch's Scarlet'

Malva moschata f. alba

Mantisia saltatoria

Mathiasella bupleuroides 'Green Dream'

Matteuccia orientalis

Matteuccia struthiopteris

Matthiola fruticulosa 'Alba'

Maytenus boaria

Maytenus disticha (Hook.f.) Urb.

Melanoselinum decipiens

Melica altissima 'Atropurpurea'

Melissa officinalis

Melittis melissophyllum

Melittis melissophyllum pink-flowered

Mentha aquatica

Mentha arvensis 'Banana'

Mentha arvensis var. piperascens

Mentha 'Berries and Cream'

Mentha cervina

Mentha 'Chocolate Peppermint'

Mentha × gracilis 'Variegata' (v)

Mentha 'Herbert McHale'

Mentha lavender mint

Mentha longifolia

Mentha longifolia Buddleia Mint Group

Mentha longifolia Buddleia Mint Group variegated (v)

Mentha longifolia subsp. schimperi

Mentha longifolia silver-leaved

Mentha Nile Valley mint

Mentha × piperita black peppermint

Mentha × piperita f. citrata

Mentha × piperita f. citrata 'Basil'

Mentha × piperita f. citrata 'Chocolate'

Mentha × piperita f. citrata 'Lemon'

Mentha × piperita f. citrata 'Lime'

Mentha × piperita f. citrata 'Orange'

Mentha × piperita 'Swiss'

Mentha requienii

Mentha × smithiana

Mentha spicata Algerian fruity

Mentha spicata var. crispa

Mentha spicata var. crispa 'Moroccan'

Mentha spicata 'Kentucky Colonel'

Mentha spicata 'Russian'

Mentha spicata 'Spanish'

Mentha spicata 'Tashkent'

Mentha suaveolens 'Grapefruit'

Mentha suaveolens subsp. timija

Mentha suaveolens 'Variegata' (v)

Mentha × villosa var. alopecuroides Bowles's mint

Mentha × villosa 'Jack Green'

Mertensia maritima

Mertensia virginica

Mespilus germanica 'Nottingham' (F)

Meum athamanticum

Milium effusum 'Yaffle' (v)

Mirabilis jalapa

Miscanthus nepalensis

Miscanthus oligostachyus 'Nanus Variegatus' (v)

Miscanthus sacchariflorus (Maxim.) Hack.

Miscanthus sinensis

Miscanthus sinensis 'China'

Miscanthus sinensis var. condensatus

Miscanthus sinensis var. condensatus 'Cabaret' (v)

Miscanthus sinensis var. condensatus 'Cosmo Revert'

Miscanthus sinensis var. condensatus 'Cosmopolitan' (v)

Miscanthus sinensis var. condensatus 'Laigong'

Miscanthus sinensis 'David'

Miscanthus sinensis 'Dixieland' (v)

Miscanthus sinensis 'Ferner Osten'

Miscanthus sinensis 'Flamingo'

Miscanthus sinensis 'Giraffe'

Miscanthus sinensis 'Goliath'

Miscanthus sinensis 'Gracillimus'

Miscanthus sinensis 'Grosse FontÀne'

Miscanthus sinensis 'Haiku'

Miscanthus sinensis 'Hermann MĂŒssel'

Miscanthus sinensis 'Kaskade'

Miscanthus sinensis 'Kleine FontÀne'

Miscanthus sinensis 'Kleine Silberspinne'

Miscanthus sinensis 'Little Kitten'

Miscanthus sinensis 'Malepartus'

Miscanthus sinensis 'Morning Light' (v)

Miscanthus sinensis 'Nippon'

Miscanthus sinensis 'PĂŒnktchen' (v)

Miscanthus sinensis 'Septemberrot'

Miscanthus sinensis 'Silberspinne'

Miscanthus sinensis 'Strictus' (v)

Miscanthus sinensis 'Undine'

Miscanthus sinensis 'Variegatus' (v)

Miscanthus sinensis 'Wetterfahne'

Miscanthus sinensis 'Zebrinus' (v)

Mitchella repens

Molinia caerulea subsp. arundinacea 'FontÀne'

Molinia caerulea subsp. arundinacea 'Karl Foerster'

Molinia caerulea subsp. arundinacea 'Windspiel'

Molinia caerulea subsp. caerulea 'Variegata' (v)

Molopospermum peloponnesiacum

Monarda 'Beauty of Cobham'

Monarda 'Fishes'

Monarda 'Gardenview Scarlet'

Monarda 'Poyntzfield Pink'

Monarda 'Raspberry Wine'

Monarda 'Scorpion'

Monarda 'Violet Queen'

Moraea spathulata

Morus alba var. tatarica

Muhlenbergia dumosa

Muhlenbergia mexicana

Mukdenia acanthifolia

Mukdenia rossii

Mukdenia rossii 'Karasuba'

Musa basjoo

Muscari armeniacum

Myrrhis odorata 'Forncett Chevron'

Myrtus communis

Myrtus communis subsp. tarentina

Myrtus communis 'Variegata' (v)

Nandina domestica

Narcissus bulbocodium (13)

Narcissus 'Spoirot' (10)

Neillia thibetica

Neillia thyrsiflora

Neolitsea sericea

Neopanax arboreus

Neopanax laetus

Nepeta govaniana

Nepeta nuda 'Romany Dusk'

Oemleria cerasiformis

Oenanthe javanica

Oenanthe javanica 'Flamingo' (v)

Oenothera 'Crown Imperial'

Oenothera fruticosa 'Fyrverkeri'

Oenothera fruticosa 'Youngii'

Oenothera speciosa 'Siskiyou'

Omphalodes cappadocica

Omphalodes cappadocica 'Cherry Ingram'

Omphalodes cappadocica 'Starry Eyes'

Onoclea sensibilis

Onopordum acanthium

Ophiopogon bodinieri

Ophiopogon chingii

Ophiopogon jaburan

Ophiopogon jaburan 'Vittatus' (v)

Ophiopogon japonicus

Ophiopogon japonicus 'Variegatus' (v)

Ophiopogon planiscapus 'Nigrescens'

Opopanax chironium

Origanum 'Bristol Cross'

Origanum 'Hot and Spicy'

Origanum laevigatum 'Hopleys'

Origanum rotundifolium

Origanum vulgare 'Acorn Bank'

Origanum vulgare 'Compactum'

Origanum vulgare subsp. hirtum 'Greek'

Orlaya grandiflora

Osmunda cinnamomea

Osmunda regalis

Osmunda regalis 'Purpurascens'

Oxalis tuberosa

Oxalis tuberosa 'Polar Bere'

Oxalis tuberosa scarlet-flowered, white-eye

Pachyphragma macrophyllum

Paeonia delavayi var. delavayi f. lutea (S)

Paeonia lactiflora 'Edulis Superba'

Paeonia × lagodechiana

Paeonia wittmanniana

Panicum virgatum 'Prairie Sky'

Panicum virgatum 'Rehbraun'

Panicum virgatum 'Strictum'

Paradisea lusitanica

Parahebe perfoliata

Paris incompleta

Paris quadrifolia

Paulownia tomentosa

Peltaria alliacea

Peltoboykinia watanabei

Pennisetum alopecuroides 'Hameln'

Pennisetum alopecuroides f. viridescens

Pennisetum alopecuroides 'Woodside'

Pennisetum macrourum

Pennisetum thunbergii 'Red Buttons'

Pennisetum villosum

Persicaria alpina

Persicaria microcephala 'Red Dragon' (PBR)

Persicaria virginiana

Petasites hybridus

Petasites japonicus var. giganteus

Petasites japonicus var. giganteus 'Nishiki-buki' (v)

Petasites paradoxus

Petrorhagia illyrica

Peucedanum ostruthium

Peucedanum ostruthium 'Daphnis' (v)

Phellodendron amurense

Phellodendron amurense var. sachalinense

Philadelphus 'Belle Etoile'

Philadelphus 'Natchez' (d)

Phlomis russeliana

Phlomis tuberosa

Phlox × arendsii 'Miss Margie' (Spring Pearl Series)

Phlox paniculata 'Blue Paradise'

Phlox paniculata 'Starfire'

Phlox paniculata 'Wendy House'

Phlox stolonifera 'Home Fires'

Phlox stolonifera 'Purpurea'

Phyllostachys aureosulcata f. spectabilis

Phyllostachys bambusoides 'Castilloni Inversa'

Phyllostachys bambusoides 'Castillonii'

Phyllostachys vivax f. aureocaulis

Phyllostachys vivax 'Katrin'

Physalis alkekengi var. franchetii 'Variegata' (v)

Physostegia virginiana 'Alba'

Physostegia virginiana var. speciosa 'Bouquet Rose'

Phytolacca esculenta

Picea breweriana

Pilosella aurantiaca

Pimpinella major

Pimpinella major 'Rosea'

Pimpinella tripartita

Pinellia cordata

Pinus koraiensis

Piper auritum

Pittosporum illicioides var. illicioides

Plantago major 'Rosularis'

Platanus orientalis

Platycarya strobilacea

Plectranthus rotundifolius

Pleioblastus variegatus (v)

Pleioblastus viridistriatus

Pleione Berapi gx 'Purple Sandpiper'

Pleione Brigadoon gx 'Stonechat'

Pleione formosana

Pleione formosana (Alba Group) 'Claire'

Pleione formosana (Alba Group) 'Snow Bunting'

Pleione formosana 'Snow White'

Pleione limprichtii

Pleione Stromboli gx 'Fireball'

Pleione Tolima gx 'Moorhen'

Podocarpus 'Blaze' (f)

Podocarpus totara

Podophyllum difforme

Podophyllum peltatum

Podophyllum versipelle

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

Polemonium yezoense var. hidakanum 'Purple Rain'

Polygonatum

Polygonatum cirrhifolium

Polygonatum cyrtonema Hua

Polygonatum hirtum

Polygonatum hookeri

Polygonatum humile

Polygonatum × hybridum 'Bere'

Polygonatum × hybridum 'Betberg'

Polygonatum × hybridum 'Striatum' (v)

Polygonatum odoratum dwarf

Polygonatum odoratum 'Flore Pleno' (d)

Polygonatum odoratum var. pluriflorum 'Variegatum' (v)

Polygonatum prattii

Polygonatum pubescens

Polygonatum punctatum

Polygonatum sibiricum

Polygonatum stenanthum

Polygonatum tessellatum

Polygonatum verticillatum

Polygonatum verticillatum

Polygonatum verticillatum 'Krynica'

Polygonatum verticillatum 'Rubrum'

Polygonatum verticillatum 'Serbian Dwarf'

Polylepis australis

Polypodium cambricum (Pulcherrimum Group) 'Pulcherrimum Addison'

Polystichum acrostichoides

Polystichum aculeatum

Polystichum munitum

Polystichum polyblepharum

Polystichum setiferum (Divisilobum Group) 'Herrenhausen'

Potentilla atrosanguinea

Potentilla megalantha

Potentilla micrantha 'Purple Heart'

Potentilla neumanniana 'Goldrausch'

Potentilla sterilis

Potentilla thurberi 'Monarch's Velvet'

Primula florindae 'Dave's Red' (Si)

Primula komarovii (Pr)

Primula veris (Pr)

Prosartes lanuginosa

Prosartes maculata

Prosartes smithii

Prostanthera 'Mint Royale'

Prunus armeniaca 'Tomcot' (F)

Prunus avium 'Lapins' (F)

Prunus domestica 'Victoria' (D)

Prunus incisa 'Kojo-no-mai'

Prunus insititia bullace (C)

Prunus insititia 'Farleigh Damson' (C)

Prunus insititia 'Langley Bullace' (C)

Prunus insititia 'Merryweather Damson' (C)

Prunus maritima

Prunus persica 'Amsden June' (F)

Prunus persica var. nectarina 'Early Blaze' (F)

Prunus × persicoides 'Robijn' (F)

Prunus sargentii

Prunus × subhirtella 'Autumnalis'

Prunus × subhirtella 'Autumnalis Rosea'

Pseudopanax discolor

Pseudopanax 'Linearifolius'

Pulmonaria 'Diana Clare'

Pulmonaria rubra 'Redstart'

Punica granatum var. nana

Puschkinia scilloides var. libanotica

Pycnanthemum muticum

Pyrola rotundifolia

Pyrus calleryana 'Chanticleer'

Pyrus communis 'Conference' (D)

Pyrus nivalis

Pyrus pashia

Pyrus pyrifolia 'Chojuro' (F)

Pyrus pyrifolia 'Hosui' (F)

Pyrus pyrifolia 'Shinko' (F)

Quercus aliena

Quercus ilex

Quercus ithaburensis subsp. macrolepis

Quercus leucotrichophora

Quercus lobata

Quercus serrata Thunb.

Quercus suber

Ranunculus aconitifolius 'Flore Pleno' (d)

Ranunculus acris 'Flore Pleno' (d)

Ranunculus ficaria var. albus

Ranunculus ficaria 'Brambling'

Ranunculus ficaria 'Brazen Hussy'

Ranunculus ficaria 'Collarette' (d)

Ranunculus ficaria 'Double Bronze' (d)

Ranunculus ficaria 'Double Mud' (d)

Ranunculus ficaria double, green-eyed (d)

Ranunculus ficaria 'Green Petal'

Ranunculus ficaria 'Ken Aslet Double' (d)

Ranunculus ficaria 'Orange Sorbet'

Ranunculus ficaria 'Silver Collar'

Reineckea carnea

Rhaphithamnus spinosus

Rheum acuminatum

Rheum alexandrae

Rheum altaicum

Rheum australe

Rheum kialense

Rheum tataricum

Rhodohypoxis baurii 'Apple Blossom'

Rhodohypoxis baurii 'Coconut Ice'

Rhodohypoxis baurii 'Douglas'

Rhodohypoxis baurii 'Helen'

Rhodohypoxis baurii 'Mars'

Rhodohypoxis 'Confusion'

Rhodohypoxis deflexa

Rhodohypoxis milloides

Rhodohypoxis 'Origami'

Rhodohypoxis 'Pintado'

Rhodotypos scandens

× Rhodoxis 'Hebron Farm Cerise'

Ribes × beatonii

Ribes × culverwellii (F)

Ribes divaricatum

Ribes gayanum

Ribes glaciale

Ribes griffithii

Ribes laurifolium 'Mrs Amy Doncaster'

Ribes nigrum

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

Ribes nigrum 'Ebony' (B)

Ribes nigrum 'Wellington XXX' (B)

Ribes odoratum 'Crandall'

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

Ribes rubrum 'Red Lake' (R)

Ribes rubrum 'Roxby Red' (R)

Ribes rubrum 'White Grape' (W)

Ribes sanguineum 'Koja'

Ribes uva-crispa 'Early Sulphur' (D)

Ribes uva-crispa 'HinnonmÀki Gul' (D)

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

Rodgersia 'Die Stolze'

Rodgersia 'Herkules'

Rodgersia 'Irish Bronze'

Rodgersia 'La Blanche'

Rodgersia nepalensis

Rodgersia pinnata

Rodgersia pinnata 'Chocolate Wing'

Rodgersia pinnata 'Elegans'

Rodgersia pinnata 'Fireworks' (PBR)

Rodgersia podophylla

Rodgersia sambucifolia

Rohdea japonica 'Lance Leaf'

Rosa abyssinica

Rosa 'Ballerina' (HM/Poly)

Rosa brunonii (Ra)

Rosa 'CĂ©cile BrĂŒnner' (Poly)

Rosa × centifolia 'Cristata' (Ce)

Rosa × centifolia 'Muscosa' (CeMo)

Rosa 'Climbing Iceberg' (ClF)

Rosa 'Conditorum' (G)

Rosa × damescena 'Professeur Émile Perrot' (D)

Rosa 'Danse du Feu' (ClF)

Rosa 'Fantin-Latour' (centifolia hybrid)

Rosa filipes 'Kiftsgate' (Ra)

Rosa 'Fimbriata' (Ru)

Rosa gallica var. officinalis (G)

Rosa gallica 'Versicolor' (G)

Rosa glauca Pourr. (S)

Rosa 'Great Maiden's Blush' (A)

Rosa 'Henri Martin' (CeMo)

Rosa 'Hermosa' (Ch)

Rosa 'Honorine de Brabant' (Bb)

Rosa [Iceberg] = 'Korbin' (F)

Rosa 'Madame Boll' (DPo)

Rosa 'Maiden's Blush' (A)

Rosa 'Maréchal Davoust' (CeMo)

Rosa 'Mermaid' (Cl)

Rosa 'Nevada' (S)

Rosa 'Noisette Carnée' (N)

Rosa 'Paul's Himalayan Musk' (Ra)

Rosa [Pleine de GrĂące] = 'Lengra' (S)

Rosa 'Queen of Bourbons' (Bb)

Rosa 'Rambling Rector' (Ra)

Rosa [Regensberg] = 'Macyoumis' (PBR) (F/Patio)

Rosa roxburghii

Rosa 'Seagull' (Ra)

Rosa 'The Fairy' (Poly)

Rosa 'Tuscany Superb' (G)

Rosa 'Veilchenblau' (Ra)

Rosa 'Wedding Day' (Ra)

Roscoea × beesiana Cream Group

Roscoea cautleyoides 'Vanilla'

Roscoea purpurea 'Vannin'

Rosmarinus officinalis var. albiflorus

Rosmarinus officinalis 'Barbecue' (PBR)

Rosmarinus officinalis 'Green Ginger'

Rosmarinus officinalis Prostratus Group

Rubus arcticus

Rubus biflorus

Rubus 'Boysenberry' (F)

Rubus fruticosus 'Adrienne' (F)

Rubus fruticosus 'Chester' (F)

Rubus fruticosus 'Loch Maree' (F/d)

Rubus fruticosus 'Merton Thornless' (F)

Rubus ichangensis

Rubus idaeus 'Aureus' (F)

Rubus idaeus 'Autumn Bliss' (F)

Rubus illecebrosus (F)

Rubus irenaeus

Rubus lambertianus

Rubus × loganobaccus thornless (F)

Rubus nepalensis

Rubus 'Obsidian' (F)

Rubus odoratus

Rubus parkeri

Rubus parviflorus 'Bill Baker'

Rubus parviflorus 'Sunshine Spreader'

Rubus parvus

Rubus phoenicolasius

Rubus saxatilis

Rubus saxatilis

Rubus spectabilis

Rubus spectabilis 'Olympic Double' (d)

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

Rudbeckia fulgida var. deamii

Rudbeckia fulgida var. fulgida

Rudbeckia fulgida var. sullivantii 'Goldsturm'

Rudbeckia laciniata

Rudbeckia laciniata 'Herbstsonne'

Rudbeckia maxima

Rudbeckia subtomentosa

Rudbeckia subtomentosa 'Henry Eilers'

Rumex acetosa 'Abundance'

Rumex acetosa subsp. acetosa 'Saucy' (v)

Rumex alpinus

Rumex sanguineus

Rumex scutatus 'Silver Shield'

Ruscus aculeatus

Ruscus aculeatus var. angustifolius

Salix 'Boydii' (f)

Salix exigua

Salix fargesii

Salix hastata 'Wehrhahnii' (m)

Salix lapponum

Salix magnifica

Salvia divinorum

Salvia nemorosa 'Caradonna'

Salvia officinalis 'Berggarten'

Salvia uliginosa

Salvia verticillata

Sambucus ebulus

Sambucus nigra 'Madonna' (v)

Sanguinaria canadensis

Sanguisorba albiflora

Sanguisorba caucasica

Sanguisorba hakusanensis

Sanguisorba magnifica

Sanguisorba menziesii

Sanguisorba minor

Sanguisorba obtusa

Sanguisorba officinalis

Sanguisorba officinalis

Sanguisorba officinalis 'Arnhem'

Sanguisorba officinalis 'Lemon Splash' (v)

Sanguisorba officinalis 'Martin's Mulberry'

Sanguisorba officinalis 'Red Thunder'

Sanguisorba officinalis 'Shiro-fukurin' (v)

Sanguisorba officinalis 'Tsetseguun'

Sanguisorba 'Pink Tanna'

Sanguisorba stipulata

Sanguisorba 'Tanna'

Sanguisorba tenuifolia var. alba 'Korean Snow'

Sanguisorba tenuifolia var. parviflora

Sanguisorba tenuifolia 'Pink Elephant'

Sanguisorba tenuifolia 'Purpurea'

Sanguisorba tenuifolia 'Stand Up Comedian'

Sanguisorba tenuifolia 'Sturdy Guard'

Saponaria officinalis 'Rosea Plena' (d)

Sarcococca confusa

Sarcococca orientalis

Sarcococca wallichii

Saruma henryi

Sasaella masamuneana 'Albostriata' (v)

Satureja spicigera

Sauromatum venosum

Saxifraga fortunei (5)

Saxifraga hirsuta (11)

Saxifraga umbrosa (11)

Saxifraga × urbium (11)

Scabiosa argentea

Scabiosa caucasica

Schefflera macrophylla

Schima wallichii subsp. wallichii var. khasiana

Schisandra chinensis

Schisandra chinensis 'Bere'

Schisandra propinqua subsp. sinensis

Scilla peruviana

Scleranthus biflorus

Scleranthus uniflorus

Scoliopus hallii

Scopolia carniolica

Scopolia carniolica from Poland

Scopolia carniolica var. brevifolia

Scopolia carniolica 'Zwanenburg'

Scutellaria lateriflora

Scutellaria scordiifolia 'Seoul Sapphire'

Sedum acre

Selinum carvifolium

Selinum carvifolium

Selinum wallichianum

Seseli hippomarathrum

Seseli libanotis

Sesleria autumnalis

Sesleria caerulea

Sesleria nitida

Shibataea kumasaca

Silene dioica

Silene fimbriata

Silene vulgaris

Silphium laciniatum

Sinofranchetia chinensis

Sinopodophyllum hexandrum var. chinense

Sisyrinchium 'Biscutella'

Sisyrinchium palmifolium

Smallanthus sonchifolius

Smallanthus sonchifolius 'Morado'

Smilax aspera

Smilax rotundifolia

Smilax sieboldii

Smyrnium perfoliatum

Smyrnium rotundifolium

Solanum incanum

Soldanella alpina

Soldanella alpina

Soldanella carpatica

Soldanella carpatica 'Alba'

Soldanella carpatica × Soldanella villosa

Soldanella cyanaster

Soldanella dimoniei

Soldanella minima

Soldanella montana

Soldanella pindicola

Soldanella 'Spring Symphony'

Soldanella 'Sudden Spring'

Soldanella villosa

Solidago 'Ledsham'

Sophora microphylla

Sorbus caloneura

Sorbus domestica f. pomifera

Sorbus domestica f. pyrifera

Sorbus torminalis

Speirantha convallarioides

Sprekelia formosissima

Stachys affinis

Stachys macrantha

Stachys macrantha 'Ben' (v)

Stachys macrantha 'Robusta'

Stachys macrantha 'Superba'

Stachys monieri (Gouan) P.W. Ball

Stachys monieri 'Rosea'

Stachys officinalis

Stachys officinalis 'Alba'

Stachys thunbergii

Staphylea bumalda

Staphylea colchica

Stauntonia hexaphylla

Stipa gigantea

Stipa tenuissima

Stipa tenuissima 'Wind Whispers'

Stokesia laevis 'Alba'

Stokesia laevis 'Blue Star'

Stokesia laevis 'Klaus Jelitto'

Stokesia laevis 'Mary Gregory'

Streptopus streptopoides

Stylophorum diphyllum

Succisa pratensis

Succisa pratensis 'Peddar's Pink'

Succisella inflexa

Succisella inflexa 'Frosted Pearls'

Symphytum bulbosum Schimp.

Symphytum caucasicum

Symphytum cordatum

Symphytum grandiflorum

Symphytum 'Lambrook Sunrise'

Symphytum 'Rubrum'

Symphytum tuberosum

Symphytum × uplandicum 'Bocking 14'

Syneilesis aconitifolia

Synthyris missurica subsp. stellata

Tagetes lucida

Tanacetum balsamita

Tanacetum parthenium 'Aureum'

Tanacetum vulgare 'Golden Fleece'

Tanacetum vulgare 'Isla Gold' (v)

Tasmannia lanceolata

Tetradium daniellii

Tetradium fraxinifolium

Tetradium ruticarpum

Teucrium marum

Teucrium scorodonia 'Crispum'

Teucrium scorodonia 'Crispum Marginatum' (v)

Thalictrum aquilegiifolium

Thalictrum aquilegiifolium 'Thundercloud'

Thalictrum delavayi 'Album'

Thalictrum delavayi 'Hewitt's Double' (d)

Thalictrum ichangense 'Purple Marble'

Thalictrum javanicum

Thalictrum lucidum

Thalictrum minus

Thymus from Turkey

Thymus 'Bressingham'

Thymus caespitosus

Thymus citriodorus (Pers.) Schreb.

Thymus 'Doone Valley' (v)

Thymus 'Hartington Silver' (v)

Thymus herba-barona

Thymus herba-barona 'Lemon-scented'

Thymus 'Lime'

Thymus 'Orange'

Thymus 'Pinewood'

Thymus 'Pink Ripple'

Thymus polytrichus A. Kern. ex Borbås subsp. britannicus (Ronniger) Kerguélen

Thymus pulegioides 'Archer's Gold'

Thymus 'Redstart'

Thymus serpyllum 'Goldstream' (v)

Thymus striatus

Thymus vulgaris 'Compactus'

Tiarella cordifolia

Tinantia pringlei

Toona sinensis

Toona sinensis 'Flamingo' (v)

Trachelospermum asiaticum

Trachystemon orientalis

Trautvetteria carolinensis var. occidentalis

Triadica sebifera

Tricyrtis 'Empress'

Tricyrtis formosana

Tricyrtis formosana 'Spotted Toad'

Tricyrtis formosana Stolonifera Group

Tricyrtis formosana 'Variegata' (v)

Tricyrtis 'Harlequin'

Tricyrtis ishiiana var. surugensis

Tricyrtis lasiocarpa

Tricyrtis latifolia

Tricyrtis 'Lightning Strike' (v)

Tricyrtis macropoda

Tricyrtis maculata

Tricyrtis perfoliata

Tricyrtis pilosa

Tricyrtis 'Tojen'

Trifolium ochroleucon

Trifolium pratense 'Susan Smith' (v)

Trifolium repens 'Debbie'

Trifolium repens 'Dragon's Blood'

Trifolium repens 'Isabella'

Trifolium repens 'Josephine'

Trifolium repens 'William'

Trifolium rubens

Trifolium 'Spring'

Trillium cuneatum

Trillium recurvatum

Tripterygium wilfordii

Tritonia crocata 'Baby Doll'

Tritonia disticha subsp. rubrolucens

Tritonia laxifolia

Tritonia lineata

Tritonia securigera

Trollius × cultorum 'Taleggio'

Trollius europaeus

Tropaeolum tuberosum var. lineamaculatum 'Ken Aslet'

Tulbaghia acutiloba

Tulbaghia alliacea

Tulbaghia 'Bob Brown'

Tulbaghia capensis

Tulbaghia 'Cariad'

Tulbaghia coddii

Tulbaghia cominsii

Tulbaghia 'Cosmic'

Tulbaghia 'Fairy Star'

Tulbaghia 'Hazel'

Tulbaghia 'John May's Special'

Tulbaghia leucantha

Tulbaghia leucantha

Tulbaghia Marwood seedling

Tulbaghia montana

Tulbaghia 'Moshoeshoe'

Tulbaghia natalensis clone 2 pink

Tulbaghia 'Purple Eye'

Tulbaghia simmleri

Tulbaghia verdoorniae

Tulbaghia violacea

Tulbaghia violacea var. maritima

Tulbaghia violacea 'Pallida'

Tulbaghia violacea 'Peppermint Garlic'

Tulbaghia violacea 'Seren'

Tulbaghia violacea 'Silver Lace' (v)

Tupistra aurantiaca

Typhonium horsfieldii

Ugni molinae

Ugni molinae

Ugni molinae 'Flambeau' (v)

Ugni molinae 'Variegata' (v)

Ullucus tuberosus

Uvularia grandiflora

Uvularia grandiflora var. pallida

Uvularia perfoliata

Uvularia sessilifolia

Vaccinium corymbosum 'Dixie' (F)

Vaccinium corymbosum 'Spartan' (F)

Vaccinium macrocarpon 'Pilgrim' (F)

Vaccinium 'Tophat' (F)

Valeriana alliariifolia

Valeriana jatamansi

Valeriana officinalis

Vancouveria hexandra

Veratrum album

Veratrum nigrum

Verbena 'Bampton'

Verbena bonariensis

Verbena hastata

Vernonia arkansana

Vernonia arkansana 'Betty Blindeman'

Vernonia arkansana 'Mammuth'

Vernonia fasciculata

Vernonia noveboracensis

Veronica austriaca subsp. teucrium 'Crater Lake Blue'

Veronica gentianoides 'Alba'

Veronica gentianoides 'Tissington White'

Veronica grandis

Veronica longifolia 'Schneeriesin'

Veronica prostrata 'Trehane'

Veronica umbrosa 'Georgia Blue'

Veronicastrum virginicum 'Album'

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 × bodnantense 'Dawn'

Viburnum × burkwoodii

Viburnum × burkwoodii 'Conoy'

Viburnum × burkwoodii 'Fulbrook'

Viburnum × burkwoodii 'Mohawk'

Viburnum × burkwoodii 'Park Farm Hybrid'

Viburnum × carlcephalum

Viburnum davidii

Viburnum dilatatum

Viburnum dilatatum

Viburnum × juddii

Viburnum odoratissimum Ker Gawl.

Viburnum plicatum f. plicatum 'Popcorn'

Viburnum plicatum f. tomentosum 'Lanarth'

Viburnum plicatum f. tomentosum 'Mariesii'

Viburnum plicatum f. tomentosum 'Shasta'

Vincetoxicum cretaceum

Vincetoxicum hirundinaria

Vincetoxicum nigrum

Viola 'Bowles's Black' (T)

Viola 'Bruneau' (dVt)

Viola grypoceras var. exilis 'Sylettas'

Viola 'Mars' (Va)

Viola odorata 'Alba' (Vt)

Viola odorata 'Vin d'André Thorp' (Vt)

Viola 'Red Giant' (Vt)

Viola 'Reine des Blanches' (dVt)

Viola rotundifolia

Viola sororia 'Albiflora'

Viola sororia 'Freckles'

Viola sororia 'Priceana'

Vitex agnus-castus

Vitex negundo

Vitis vinifera 'Spetchley Red' (O/B)

Wachendorfia thyrsiflora

Wasabia wasabi

Watsonia fulgens

Watsonia pillansii

Watsonia 'Tresco Dwarf Pink'

Woodwardia fimbriata

Woodwardia orientalis

Wulfenia amherstiana

Wulfenia carinthiaca

Wulfenia × schwarzii

Xanthorhiza simplicissima

Ypsilandra thibetica

Yucca filamentosa

Yucca filamentosa 'Bright Edge' (v)

Yucca gloriosa 'Variegata' (v)

Zantedeschia aethiopica 'Green Goddess'

Zanthoxylum americanum

Zanthoxylum oxyphyllum

Zanthoxylum schinifolium

Zanthoxylum simulans

Zigadenus elegans

Zingiber mioga

Zingiber mioga 'Crûg's Zing'

Zingiber mioga 'Dancing Crane' (v)

Zingiber mioga 'White Feather'

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