Browse advice A–Z

A

• Acacia: pruning
• Acer: leaf scorch
• Acidifying soil
• Agapanthus
• Air layering of plants
• Algae on leaves
• Algae, lichens and liverworts on lawns
• Algae, lichens and moss on trees and shrubs
• Algae, lichens, liverworts and moss
• Algae, lichens, liverworts and moss on hard surfaces
• Algae, liverworts and moss on borders and containers
• Algae, liverworts and moss on greenhouses
• Allium
• Allium leaf miner
• Allotment: getting started
• Amphibians: encouraging into your garden
• Angle shades moth
• Antirrhinum rust
• Ants
• Aphid predators
• Aphids
• Apple canker
• Apple sawfly
• Apple scab
• Apple tree problems: frequently asked questions
• Apples
• Apples and pears: growing and training as cordons
• Apples and pears: pruning new trees
• Apples and pears: renovating old trees
• Apples and pears: summer pruning
• Apples and pears: winter pruning
• Apples: choosing cultivars
• Apples: identifying fruit buds
• Apples: stepover (horizontal cordon) training
• Aquatic plants: planting
• Aquatic weeds
• Arbutus leaf spots
• Ash dieback
• Asparagus
• Asparagus beetle
• Aucuba blackening
• Azalea gall

B

• Bacterial canker
• Bamboo
• Bamboo control
• Bananas
• Bats: encouraging into your garden
• Bay sucker
• Bay tree (Laurus nobilis)
• Bedding plants and displays
• Beech hedging
• Bees: decline in numbers
• Bees: encouraging into your garden
• Begonia: outdoors
• Berberis sawfly
• Bicoloured flowers
• Bindweed
• Biological pest control
• Birch for winter interest
• Birds: encouraging into the garden
• Bitter pit in apples
• Bittercress
• Blackberry and hybrid berry: pruning and training
• Blackcurrant big bud mite
• Bleeding from pruning cuts
• Blossom end rot
• Blossom wilt
• Blue mint beetle
• Bluebells as weeds
• Blueberries
• Bog gardens
• Bolting in vegetables
• Bonsai
• Borders: revitalising an over-mature beds
• Bougainvillea
• Box
• Box blight
• Box sucker
• Box tree caterpillar
• Bracken
• Bracket fungi
• Brambles and other woody weeds
• Brassica downy mildew
• Broad bean chocolate spot
• Broad bean rust
• Broad bean seed beetle
• Broad beans: growing
• Brown leaves on woody plants
• Brown rot
• Brown scale
• Brugmansia (angel's trumpet)
• Brussels sprouts problems
• Bryony
• Bulbs
• Bulbs for Christmas flowering
• Bulbs: naturalising
• Bulbs: planting
• Bulbs: propagation
• Butterflies: encouraging into your garden
• Buying: garden centre plants
• Buying: mail order plants
• Buying: trees and shrubs

C

• Cabbage caterpillars
• Cabbage root fly
• Cabbage whitefly
• Camellia
• Camellia flower blight
• Camellia gall
• Camellia leaf blight
• Camellia problems: frequently asked questions
• Camellia yellow mottle virus
• Campsis
• Canna
• Canna viruses
• Capsid bugs
• Carrot fly
• Cats
• Ceanothus
• Celandine
• Chafer grubs in lawns
• Chalky soils
• Chalky soils: plants for
• Chamomile lawns
• Chelsea chop
• Chemical labels explained
• Chemicals: storing and disposing safely
• Chemicals: using a sprayer
• Chemicals: using safely and effectively
• Chemicals: using spot and broad-scale weedkillers
• Cherries: acid
• Cherries: sweet
• Cherry blackfly
• Cherry fruit drop
• Cherry leaf scorch and leaf spot
• Chestnut blight
• Chicken manure
• Children: getting them interested in gardening
• Chip budding
• Chlorosis
• Choosing mini vegetables
• Christmas trees
• Christmas wreaths
• Christmas-flowering houseplants
• Chrysanthemum white rust
• Chrysanthemums
• Citrus
• Citrus and Asian longhorn beetles
• Citrus: problems
• Clay soils
• Clay soils: plants for
• Clematis
• Clematis problems: frequently asked questions
• Clematis pruning: group one
• Clematis pruning: group three
• Clematis pruning: group two
• Clematis slime flux
• Clematis wilt
• Clematis: green petal
• Clematis: pruning
• Climbers and wall shrubs
• Climbers and wall shrubs for shade
• Climbers and wall shrubs for sun
• Climbers and wall shrubs: pruning established plants
• Climbers: renovating overgrown plants
• Climbers: taking cuttings
• Climbers: training and pruning on planting
• Climbers: using annuals
• Clivia
• Cloud pruning
• Clover in lawns
• Club root
• Coarse grasses in lawns
• Cobnuts and filberts
• Codling moth
• Cold climate: plants for
• Coldframes and mini-greenhouses
• Commemorative plant naming
• Composting
• Composting woody waste
• Conifer care
• Conifers: brown patches
• Conifers: Pestalotiopsis disease
• Container maintenance
• Containers: planting up
• Containers: summer selection
• Containers: winter selection
• Coppicing
• Coral spot
• Cordyline
• Cordyline slime flux
• Cornus
• Cornus anthracnose
• Cotoneaster webber caterpillars
• Couch grass
• Courgette, marrow, pumpkin and squash problems
• Creeping buttercup
• Crop rotation
• Crown gall
• Cuckoo spit
• Cucumber mosaic virus
• Currant and gooseberry leaf spot
• Currant blister aphid
• Cushion scale
• Cut and come again salads
• Cut flowers: cutting and conditioning
• Cut flowers: growing and selection
• Cuttings: hardwood
• Cuttings: root
• Cuttings: semi-ripe
• Cuttings: softwood
• Cyclamen grey mould
• Cyclamen: hardy
• Cymbidium orchid
• Cypress aphid

D

• Daffodil blindness
• Daffodil viruses
• Daffodils
• Dahlia
• Damping off
• Daphne
• Datura stramonium (thorn apple)
• Deadheading plants
• Deer
• Deer-resistant plants
• Delphinium black blotch
• Dierama
• Disposing of diseased material
• Double digging
• Downy mildews
• Drainage: installing
• Drought-resistant gardening
• Drought-resistant plants
• Duckweed
• Dutch elm disease

E

• Earthworms
• Earwigs
• Edible flowers
• Electricity in the garden
• Enchanter's nightshade
• Epiphyllum
• Escallonia leaf spot
• Espalier training trees
• Eucalyptus
• Eucalyptus gall wasp
• Eucalyptus: pruning
• Eucomis

F

• F₁ hybrids
• Fairy rings
• Fan-trained trees: initial training
• Fan-trained trees: pruning established fans
• Fasciation
• Fertiliser labels explained
• Fertilisers
• Figs
• Figs: ornamental (Ficus)
• Figwort weevils
• Fireblight
• Flea beetles on brassicas and allied plants
• Flower balling
• Fox
• Frost damage
• Fruit in containers
• Fruit thinning
• Fruit trees: feeding and mulching
• Fruit: biennial bearing
• Fruit: harvesting
• Fruit: protecting from frost
• Fruit: storing
• Fruit: unproductive trees
• Fuchsia
• Fuchsia gall mite
• Fuchsia rust
• Furniture: maintaining garden seats and tables
• Fusarium patch and Snow mould
• Fusarium wilts

G

• Garden design: sources of information
• Garden lighting: effects on wildlife
• Garden security
• Garden thugs: potential nuisance plants
• Gardenia
• Gardening on wet soils
• Gardening organisations
• Garlic
• Garrya
• Giant hogweed
• Glasshouse leafhopper
• Glasshouse red spider mite
• Glasshouse whitefly
• Goji berries
• Gooseberries, red and white currants
• Gooseberry mildew
• Gooseberry sawfly
• Graft failure
• Grafting ornamental plants and fruit trees
• Grape shanking
• Grapes: indoor cultivation
• Grapes: outdoor cultivation
• Grapes: pruning and training
• Grapes: the Guyot pruning system
• Grapes: the rod and spur pruning system
• Grapevine diseases
• Gravel gardens
• Grease bands
• Green manures
• Green roofs
• Green shield bugs
• Green spruce aphid
• Green walls
• Greenhouse cleaning
• Greenhouse: ventilation and shading
• Greenhouses: choosing
• Greenhouses: heating efficiently
• Grey mould
• Ground beetles and rove beetles
• Ground elder
• Guignardia philoprina

H

• Haemanthus and Scadoxus
• Hamamelis (witch hazel)
• Hanging baskets
• Hardening off tender plants
• Hardy winter vegetables
• Hedgerow fruit
• Hedges: nuisance and overgrown
• Hedges: planting
• Hedges: pruning times
• Hedges: renovation
• Hedges: selection
• Hedges: trimming
• Hellebore
• Hellebore aphid
• Hellebore black death
• Hellebore leaf miner
• Hellebore leaf spot
• Hemerocallis
• Hemerocallis gall midge
• Herbs and salad leaves: in growing-bags
• Herbs in containers
• Herbs: growing
• Herbs: propagating
• Heuchera rust
• Himalayan balsam
• Hippeastrum
• Hiring contractors
• Holly leaf blight
• Holly leaf miner
• Hollyhock rust
• Holm oak leaf-mining moths
• Honey fungus
• Honeyberry
• Honeysuckle (Lonicera)
• Horse chestnut bleeding canker
• Horse chestnut leaf blotch
• Horse chestnut leaf-mining moth
• Horse chestnut scale
• Horsetail
• Hosta
• Houseplants
• Houseplants: holiday care
• Hyacinths
• Hydrangea
• Hydrangea pruning
• Hydrangea scale

I

• Impatiens downy mildew
• Impatiens necrotic spot virus and tomato spotted wilt virus
• Importing and exporting plants
• Invasive non-native species
• Iris diseases
• Irises: dividing
• Ivy on buildings
• Ivy on trees and as a ground cover weed

J

• Japanese knotweed
• Japanese maple
• Jasmine
• June drop

K

• Kiwi fruit

L

• Large rose sawfly
• Laurel: leaf diseases
• Lavender
• Lawn weeds: selecting weedkillers
• Lawn: rust disease
• Lawns from seed
• Lawns from turf
• Lawns in Mediterranean regions
• Lawns in shade
• Lawns: autumn care
• Lawns: care during drought
• Lawns: dead patches
• Lawns: dry patch
• Lawns: mowing
• Lawns: repairing
• Lawns: spring and summer care
• Lawns: weed control
• Layering
• Leaf cuttings
• Leaf damage on woody plants
• Leafmould
• Leafy gall
• Leatherjackets
• Leek moth
• Leek rust
• Lettuce downy mildew
• Leyland cypress: pruning
• Lilies: growing in containers
• Lily beetle
• Lily diseases
• Lime and liming
• Living structures: creating and maintaining
• Living willow
• Lupin anthracnose
• Lupin aphid

M

• Magnolia
• Mandevilla
• Mealy cabbage aphid
• Mealybug
• Medlar
• Microclimates: assessing your garden
• Mind-your-own-business
• Minimising health risks in the garden
• Mint rust
• Mistletoe
• Moles
• Moss on lawns
• Moths: encouraging into your garden
• Mulberries (Morus nigra)
• Mulches and mulching
• Mushroom compost
• Mutations: flower proliferation
• Mutations: plant
• Mycorrhizal fungi

N

• Narcissus basal rot
• Narcissus bulb fly
• Narcissus eelworm
• Narcissus leaf scorch
• Nettles
• New-build gardens
• Nicandra physalodes (shoo-fly plant)
• Non-berrying woody plants
• Non-flowering woody plants
• Nutrient deficiencies

O

• Oak decline
• Odontoglossum (tiger orchid)
• Oedema
• Olive
• Onion downy mildew
• Onion neck rot
• Onion white rot
• Onions and shallots
• Orchids: indoor cultivation
• Ornamental grasses
• Ornamental grasses: cutting back
• Ornamental grasses: dividing
• Overwintering plants in conservatories
• Overwintering tender plants: lifting or mulching
• Overwintering tender plants: wrapping
• Oxalis

P

• Palms: hardy
• Pansy downy mildew
• Pansy leaf spots
• Paphiopedilum (slipper orchid)
• Passion flower
• Pea moth
• Peach leaf curl
• Pear blister mite
• Pear midge
• Pear rust
• Pears: choosing cultivars
• Peat-free growing media
• Pelargonium (geranium)
• Pelargonium rust
• Pelargonium viruses
• Penstemon
• Peony wilt
• Peony: herbaceous
• Peony: tree
• Peppers and chillies
• Perennials: cutting back
• Perennials: dividing
• Perennials: staking
• Pergolas
• Permeable paving
• Phalaenopsis (moth orchid)
• Photinia
• Phytophthora bleeding canker
• Phytophthora ramorum and P. kernoviae
• Phytophthora root rot
• Pieris lacebug
• Pigeons
• Plane anthracnose
• Plant nutrition: feeding plants
• Plant viruses
• Plants for coastal areas
• Plants for special occasions
• Plants for under trees
• Plants for winter interest
• Pleached walks, tunnels and arbours
• Plum aphids
• Plum moth
• Plums, gages and damsons: choosing cultivars
• Plums: pruning
• Pocket plum
• Poinsettia
• Pollarding
• Pond algae and blanket weed
• Pond care
• Pond filters
• Pond plant propagation
• Poor autumn colour
• Potato and tomato blight
• Potato black scurf and stem canker
• Potato blackleg
• Potato scabs
• Potato tuber rots
• Potatoes
• Potatoes: growing for the festive season
• Potentially harmful garden plants
• Powdery mildews
• Preventing winter damage
• Pre-warming soil
• Primula leaf spots
• Propagating using suckers
• Pruning for colourful stems or large foliage
• Pumpkins and winter squashes: storing
• Pyracantha
• Pyracantha scab