What to Plant in April
Seeds to sow, young plants to put out, and what's flowering in April in UK gardens — drawn straight from the GardenWizz plant encyclopedia.
🌱 Sow in April
Sow these seeds this month (36 plants).
Avens (Geum)
Basil (Ocimum basilicum)
Beetroot (Beta vulgaris)
Buddleia (Buddleja davidii)
Carrot (Daucus carota)
Chives (Allium schoenoprasum)
Coriander (Coriandrum sativum)
Cornflower (Centaurea cyanus)
Cosmos (Cosmos bipinnatus)
Courgette (Cucurbita pepo)
Dill (Anethum graveolens)
Fennel (Foeniculum vulgare)
Field Maple (Acer campestre)
Foxglove (Digitalis purpurea)
Heather (Calluna vulgaris)
Lemon Balm (Melissa officinalis)
Lettuce (Lactuca sativa)
Marigold (Tagetes)
Mint (Mentha)
Onion (Allium cepa)
Oregano (Origanum vulgare)
Poppy (Papaver)
Pot Marigold (Calendula officinalis)
Pumpkin (Cucurbita maxima)
Red Campion (Silene dioica)
Rudbeckia (Rudbeckia fulgida)
Runner Bean (Phaseolus coccineus)
Sage (Salvia officinalis)
Strawberry (Fragaria ananassa)
Sunflower (Helianthus annuus)
Sweet Pea (Lathyrus odoratus)
Tarragon (Artemisia dracunculus)
Thyme 'Silver Queen'
Thyme (Thymus vulgaris)
Wild Strawberry (Fragaria vesca)
Yarrow (Achillea millefolium)
🪴 Plant out in April
Put these into the garden now (71 plants).
Apple (Malus domestica)
Avens (Geum)
Bay (Laurus nobilis)
Bearded Iris (Iris germanica)
Beetroot (Beta vulgaris)
Blackberry (Rubus fruticosus)
Blueberry (Vaccinium corymbosum)
Boxwood (Buxus sempervirens)
Buddleia (Buddleja davidii)
Bugle (Ajuga reptans)
Camellia (Camellia japonica)
Catmint (Nepeta)
Clematis (Clematis)
Common Lilac (Syringa vulgaris)
Common Rose (Rosa gallica)
Coneflower (Echinacea purpurea)
Coriander (Coriandrum sativum)
Cornflower (Centaurea cyanus)
Dahlia (Dahlia pinnata)
Daylily (Hemerocallis)
Dill (Anethum graveolens)
Dogwood (Cornus sanguinea)
Elder (Sambucus nigra)
English Ivy (Hedera helix)
Fennel (Foeniculum vulgare)
Fern (Dryopteris filix-mas)
Foxglove (Digitalis purpurea)
Gorse (Ulex europaeus)
Hardy Geranium (Geranium)
Heather (Calluna vulgaris)
Hellebore (Helleborus)
Holly (Ilex aquifolium)
Honeysuckle 'Graham Thomas'
Honeysuckle 'Serotina'
Hosta
Hydrangea (Hydrangea macrophylla)
Lavender 'Hidcote'
Lavender (Lavandula angustifolia)
Lavender 'Munstead'
Lemon Balm (Melissa officinalis)
Lettuce (Lactuca sativa)
Lupin (Lupinus)
Mint (Mentha)
Onion (Allium cepa)
Oregano (Origanum vulgare)
Parsley (Petroselinum crispum)
Pea (Pisum sativum)
Penstemon
Poppy (Papaver)
Potato (Solanum tuberosum)
Privet (Ligustrum vulgare)
Raspberry (Rubus idaeus)
Red Campion (Silene dioica)
Rhododendron
Rosebay Willowherb (Epilobium angustifolium)
Rosemary (Salvia rosmarinus)
Rudbeckia (Rudbeckia fulgida)
Sage (Salvia officinalis)
Stonecrop (Sedum)
Strawberry 'Cambridge Favourite'
Strawberry (Fragaria ananassa)
Strawberry 'Hapil'
Strawberry 'Honeoye'
Sunflower (Helianthus annuus)
Sweet Pea (Lathyrus odoratus)
Thyme 'Silver Queen'
Thyme (Thymus vulgaris)
Tomato (Solanum lycopersicum)
Wisteria 'Prolific'
Wisteria (Wisteria sinensis)
Yarrow (Achillea millefolium)
🌸 In flower in April
What's blooming this month (43 plants).
Apple (Malus domestica)
Bay (Laurus nobilis)
Blackberry (Rubus fruticosus)
Bluebell (Hyacinthoides non-scripta)
Blueberry (Vaccinium corymbosum)
Boxwood (Buxus sempervirens)
Camellia (Camellia japonica)
Chives (Allium schoenoprasum)
Clematis (Clematis)
Common Hazel (Corylus avellana)
Daffodil (Narcissus)
Dog Rose (Rosa rugosa)
Field Maple (Acer campestre)
Goat Willow (Salix caprea)
Gorse (Ulex europaeus)
Holly (Ilex aquifolium)
Japanese Maple (Acer palmatum)
Lily of the Valley (Convallaria majalis)
Lupin (Lupinus)
Parsley (Petroselinum crispum)
Pea (Pisum sativum)
Pear (Pyrus communis)
Primrose (Primula vulgaris)
Rhododendron
Rosemary (Salvia rosmarinus)
Runner Bean (Phaseolus coccineus)
Snapdragon (Antirrhinum majus)
Snowdrop (Galanthus nivalis)
Strawberry 'Cambridge Favourite'
Strawberry (Fragaria ananassa)
Strawberry 'Hapil'
Strawberry 'Honeoye'
Strawberry 'Rhapsody'
Strawberry 'Symphony'
Tulip (Tulipa)
Wild Cherry (Prunus avium)
Wild Garlic (Allium ursinum)
Wild Strawberry (Fragaria vesca)
Willow (Salix viminalis)
Wood Anemone (Anemonoides nemorosa)
Wych Elm (Ulmus glabra)
Yarrow (Achillea millefolium)
Yew (Taxus baccata)
❄️ UK frost dates by region
Approximate last spring / first autumn frost — always check your local forecast before sowing or planting out tender plants.
| Region | Last spring frost | First autumn frost |
|---|---|---|
| Scotland & far north | late May | late September |
| North of England | mid May | mid October |
| Midlands & Wales | early–mid May | late October |
| East & South East England | late April–early May | late October |
| London & urban areas | mid April | early November |
| South West & coastal | mid April | November |