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What to sow in April — UK

37 plants to sow this month in a UK garden. Click any for its full growing guide.

Vegetables

Radish
Raphanus sativus
Cucumber
Cucumis sativus
Courgette
Cucurbita pepo
Runner Bean
Phaseolus coccineus
Garden Pea
Pisum sativum
Spinach
Spinacia oleracea
Swiss Chard
Beta vulgaris
Kale
Brassica oleracea
Broccoli
Brassica oleracea
Pumpkin
Cucurbita maxima
Butternut Squash
Cucurbita moschata
Spring Onion
Allium fistulosum
Rocket
Eruca sativa
Kohlrabi
Brassica oleracea (Gongylodes)
Pak Choi
Brassica rapa chinensis
Sugar Snap Pea
Pisum sativum
Mangetout
Pisum sativum macrocarpon
Salsify
Tragopogon porrifolius
Purple Sprouting Broccoli
Brassica oleracea italica
Summer Savory
Satureja hortensis

Herbs

Basil
Ocimum basilicum
Coriander
Coriandrum sativum
Dill
Anethum graveolens
Fennel
Foeniculum vulgare
Sweet Marjoram
Origanum majorana
Chervil
Anthriscus cerefolium
Perilla / Shiso
Perilla frutescens
Salad Burnet
Sanguisorba minor

Flowers

Sunflower
Helianthus annuus
Cosmos
Cosmos bipinnatus
Nasturtium
Tropaeolum majus
Nigella
Nigella damascena
Cornflower
Centaurea cyanus
Zinnia
Zinnia elegans
Sweet Alyssum
Lobularia maritima
Larkspur
Consolida ajacis
Climbing Nasturtium
Tropaeolum majus (climbing)