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 (81 plants).
Allium (Allium hollandicum)
Autumn Sage (Salvia greggii)
Avens (Geum)
Beardtongue (Penstemon)
Beet (Beta vulgaris)
Black Iris (Iris chrysographes)
Blue Garlic (Allium caesium)
Borage (Borago officinalis)
Broad Bean (Vicia faba)
Bukhara Iris (Iris bucharica)
Bulb Onion (Allium cepa)
Butterfly-Bush (Buddleja davidii)
Candelabra Sage (Salvia candelabrum)
Carmena's Pincushion Cactus (Mammillaria carmenae)
Carrot (Daucus carota subsp. sativus)
Chenille Plant (Echeveria leucotricha)
Chives (Allium schoenoprasum)
Common Bent (Agrostis capillaris)
Common Bird's-Foot-Trefoil (Lotus corniculatus)
Common Dog-Violet (Viola riviniana)
Common Mint (Mentha spicata)
Common Teasel (Dipsacus fullonum)
Common Thyme (Thymus vulgaris)
Cootamundra Wattle (Acacia baileyana)
Coriander (Coriandrum sativum)
Cornflower (Centaurea cyanus)
Courgette (Cucurbita pepo)
Dill (Anethum graveolens)
European Larch (Larix decidua)
Field Maple (Acer campestre)
Florence Fennel (Foeniculum vulgare)
Foxglove (Digitalis purpurea)
Garden Cosmos (Cosmos bipinnatus)
Gold Lace Cactus (Mammillaria elongata)
Great Basil (Ocimum basilicum)
Heather (Calluna vulgaris)
Hollyhock (Alcea rosea)
Lau's Echeveria (Echeveria laui)
Lemon Balm (Melissa officinalis)
Lettuce (Lactuca sativa)
Lipstick (Echeveria agavoides)
Marigolds (Tagetes)
Mexican-Giant (Echeveria colorata)
Mexican Pincushion Cactus (Mammillaria magnimamma)
Mexican Snowball (Echeveria elegans)
Michaelmas Daisy (Symphyotrichum novi-belgii)
Mint (Mentha)
Nasturtium (Tropaeolum majus)
Old Lady Cactus (Mammillaria hahniana)
Orchid Iris (Iris histrioides)
Oregano (Origanum vulgare)
Oven Wattle (Acacia pravissima)
Petunia (Petunia x hybrida)
Pink Lily Leek (Allium oreophilum)
Poppy (Papaver)
Pot Marigold (Calendula officinalis)
Powderpuff Cactus (Mammillaria bocasana)
Pumpkin (Cucurbita maxima)
Radish (Raphanus sativus)
Red Campion (Silene dioica)
Red Clover (Trifolium pratense)
Rudbeckia (Rudbeckia fulgida)
Runner Bean (Phaseolus coccineus)
Sage (Salvia officinalis)
Salvia (Salvia nemorosa)
Silken Pincushion Cactus (Mammillaria bombycina)
Small-Leaved Lime (Tilia cordata)
Small Yellow Onion (Allium flavum)
Star Of Persia (Allium cristophii)
Strawberry (Fragaria × ananassa)
Sunflower (Helianthus annuus)
Sweet Pea (Lathyrus odoratus)
Tarragon (Artemisia dracunculus)
Tropical Sage (Salvia coccinea)
Twin-Spined Cactus (Mammillaria geminispina)
Verbena (Verbena bonariensis)
White Clover (Trifolium repens)
Wild Carrot (Daucus carota)
Wild Mint (Mentha arvensis)
Wild Strawberry (Fragaria vesca)
Yarrow (Achillea millefolium)
🪴 Plant out in April
Put these into the garden now (255 plants).
African Milk Barrel (Euphorbia horrida)
Alder Buckthorn (Rhamnus frangula)
Aloe
Alpine Primrose (Primula alpicola)
American Century Plant (Agave americana)
Apothecary's Rose (Rosa gallica)
Apple (Malus domestica)
Ash-Coloured Speedwell (Veronica cinerea)
Ashy Crane's-Bill (Geranium cinereum)
Autumn Sage (Salvia greggii)
Avens (Geum)
Azalea (Rhododendron)
Bamboo Iris (Iris confusa)
Barbados Aloe (Aloe vera)
Barberry (Berberis)
Bay Tree (Laurus nobilis)
Bearberry (Arctostaphylos uva-ursi)
Bearded Iris (Iris germanica)
Beardtongue (Penstemon)
Bear's Breech (Acanthus mollis)
Bear's Ear (Primula auricula)
Bees' Primrose (Primula beesiana)
Beet (Beta vulgaris)
Begonias (Begonia)
Bellflowers (Campanula)
Bigleaf Hydrangea (Hydrangea macrophylla)
Bigleaf Hydrangea (Hydrangea macrophylla)
Big-Leaf Rhododendron (Rhododendron calophytum)
Birch-Leaved Bellflower (Campanula betulifolia)
Blackberry (Rubus fruticosus)
Black Iris (Iris chrysographes)
Blackthorn (Prunus spinosa)
Borage (Borago officinalis)
Bosnian Pine (Pinus heldreichii)
Boston Fern (Nephrolepis exaltata)
Boxwood (Buxus sempervirens)
Brilliant Fuchsia (Fuchsia fulgens)
Bristle-Pointed Iris (Iris setosa)
Bugle (Ajuga reptans)
Bulb Onion (Allium cepa)
Butterfly-Bush (Buddleja davidii)
Buttonhead Primrose (Primula capitata)
Calathea (Calathea makoyana)
Candelabra Sage (Salvia candelabrum)
Catalonian Jasmine (Jasminum grandiflorum)
Catmint (Nepeta)
Chenille Plant (Acalypha hispida)
Cherry Blossom (Prunus serrulata)
Chicory (Cichorium intybus)
Chinese Wisteria (Wisteria sinensis)
Common Ash (Fraxinus excelsior)
Common Bent (Agrostis capillaris)
Common Bird's-Foot-Trefoil (Lotus corniculatus)
Common Camellia (Camellia japonica)
Common Daisy (Bellis perennis)
Common Dog-Violet (Viola riviniana)
Common Hazel (Corylus avellana)
Common Lilac (Syringa vulgaris)
Common Mint (Mentha spicata)
Common Sorrel (Rumex acetosa)
Common Thyme (Thymus vulgaris)
Coneflower (Echinacea purpurea)
Copper Iris (Iris fulva)
Coriander (Coriandrum sativum)
Cornflower (Centaurea cyanus)
Corrugated Sage (Salvia corrugata)
Cow Parsley (Anthriscus sylvestris)
Cowslip (Primula veris)
Crocosmia (Crocosmia crocosmiiflora)
Dalmatian Cranesbill (Geranium dalmaticum)
Daphne Rhododendron (Rhododendron campylogynum)
Darley Dale Heath (Erica x darleyensis)
Daurian Rhododendron (Rhododendron dauricum)
Daylily (Hemerocallis)
Derenberg's Painted Lady (Echeveria derenbergii)
Digenous Sage (Salvia digenea)
Dill (Anethum graveolens)
Dog Rose (Rosa rugosa)
Dogwood (Cornus sanguinea)
Druce's Cranesbill (Geranium × oxonianum)
Drumstick Primula (Primula denticulata)
Dryopteris affinis
Early Azalea (Rhododendron lutescens)
Echeveria
Elder (Sambucus nigra)
English Elm (Ulmus minor)
English Ivy (Hedera helix)
English Lavender (Lavandula angustifolia)
False-Gold-Flower Rhododendron (Rhododendron pseudochrysanthum)
Fern (Dryopteris filix-mas)
Field Maple (Acer campestre)
Florence Fennel (Foeniculum vulgare)
Foxglove (Digitalis purpurea)
Fragrant Snowball (Viburnum × carlcephalum)
Freeman Maple (Acer freemanii)
Fringed Iris (Iris japonica)
Fulvous Rhododendron (Rhododendron fulvum)
Garden Dahlia (Dahlia pinnata)
Garden Parsley (Petroselinum crispum)
Giant Herb Robert (Geranium maderense)
Globe Artichoke (Cynara scolymus)
Goat Willow (Salix caprea)
Gorse (Ulex europaeus)
Guelder Rose (Viburnum opulus)
Gum Rock Rhododendron (Rhododendron calostrotum)
Hairyflower Bellflower (Campanula chamissonis)
Hairy Grey Heather (Erica canaliculata)
Hance's Rhododendron (Rhododendron hanceanum)
Hardy Begonia (Begonia grandis)
Hardy Geranium (Geranium)
Heather (Calluna vulgaris)
Hebe (Hebe pinguifolia)
Hellebore (Helleborus)
Highbush Blueberry (Vaccinium corymbosum)
Hippophae-Like Rhododendron (Rhododendron hippophaeoides)
Hollyhock (Alcea rosea)
Holly (Ilex aquifolium)
Horned Spurge (Euphorbia ceratocarpa)
Horned Spurge (Euphorbia cornigera)
Horse Chestnut (Aesculus hippocastanum)
Hypericum Dummeri (Hypericum × dummeri)
Irises (Iris)
Jame Sage (Salvia × jamensis)
Japanese Barberry (Berberis thunbergii)
Japanese Primrose (Primula japonica)
Japanese Spiraea (Spiraea japonica)
Keisk's Rhododendron (Rhododendron keiskei)
Kerner Iris (Iris kerneriana)
Kew Primrose (Primula kewensis)
Komine Maple (Acer micranthum)
Korean Fir (Abies koreana)
Lady's Eardrops (Fuchsia boliviana)
Large Speedwell (Veronica austriaca)
Larkspurs (Delphinium)
Lau's Echeveria (Echeveria laui)
Leaf-Ring Begonia (Begonia annulata)
Leek (Allium porrum)
Lemon Balm (Melissa officinalis)
Lettuce (Lactuca sativa)
Lodgepole Pine (Pinus contorta)
Long-Scape Iris (Iris delavayi)
Lupin (Lupinus)
Magnolia denudata (QA: Magnolia denudata)
Magnolia (Magnolia grandiflora)
Makino's Rhododendron (Rhododendron makinoi)
Maple Leaf Begonia (Begonia dregei)
Margalida Spurge (Euphorbia margalidiana)
Martin's Spurge (Euphorbia martini)
McCabe's Rhododendron (Rhododendron macabeanum)
Mediterranean Spurge (Euphorbia characias)
Melon Spurge (Euphorbia meloformis)
Mexican Feather Grass (Stipa tenuissima)
Michaelmas Daisy (Symphyotrichum novi-belgii)
Mint (Mentha)
Mother Of Hundreds (Mammillaria compressa)
Moth Orchid 'Ariadne' (Phalaenopsis × ariadne)
Nakahara's Rhododendron (Rhododendron nakaharae)
Nasturtium (Tropaeolum majus)
New England Aster (Symphyotrichum novae-angliae)
Nordmann Fir (Abies nordmanniana)
Northern Phlox (Phlox adsurgens)
Notable Rhododendron (Rhododendron insigne)
Ochre Rhododendron (Rhododendron ochraceum)
Oregano (Origanum vulgare)
Oven Wattle (Acacia pravissima)
Palm-Leaf Begonia (Begonia carolineifolia)
Panicle Hydrangea (Hydrangea paniculata)
Paperbark Maple (Acer griseum)
Pea (Pisum sativum)
Pear (Pyrus communis)
Plantain Lily (Hosta)
Pontic Rhododendron (Rhododendron ponticum)
Poppy (Papaver)
Potato (Solanum tuberosum)
Pothos (Epipremnum aureum)
Powderpuff Cactus (Mammillaria bocasana)
Primrose (Primula vulgaris)
Primroses (Primula)
Privet (Ligustrum vulgare)
Purple Cranesbill (Geranium × magnificum)
Racemose Rhododendron (Rhododendron racemosum)
Raspberry (Rubus idaeus)
Red-Barked Dogwood (Cornus alba)
Red Bartsia (Odontites vernus)
Red Campion (Silene dioica)
Red Clover (Trifolium pratense)
Red Currant (Ribes rubrum)
Rock Crane's-Bill (Geranium macrorrhizum)
Rock Rose (Cistus × aguilarii)
Rock Rose (Cistus cyprius)
Rosebay Willowherb (Epilobium angustifolium)
Rosemary (Salvia rosmarinus)
Rosy Rhododendron (Rhododendron oreodoxa)
Round-Leaved Rhododendron (Rhododendron orbiculare)
Rowan (Sorbus aucuparia)
Roxie's Rhododendron (Rhododendron roxieanum)
Royal Azalea (Rhododendron schlippenbachii)
Rubber Plant (Ficus elastica)
Rudbeckia (Rudbeckia fulgida)
Rue (Ruta graveolens)
Russian Sage (Perovskia atriplicifolia)
Sabra Spike Sage (Salvia confertiflora)
Sage (Salvia officinalis)
Salvia (Salvia nemorosa)
Scarlet-Plume (Euphorbia fulgens)
Scots Pine (Pinus sylvestris)
Shrubby Rock-Roses (Cistus)
Silver-Leaved Rhododendron (Rhododendron argyrophyllum)
Silver Sage (Salvia argentea)
Small-Leaved Lime (Tilia cordata)
Smooth Azalea (Rhododendron arborescens)
Snowy Rhododendron (Rhododendron niveum)
Speedwells (Veronica)
Spurges (Euphorbia)
Stinking Iris (Iris foetidissima)
St John's Wort (Hypericum perforatum)
Stonecrop (Sedum)
Strawberry (Fragaria × ananassa)
Strawberry Tree (Arbutus unedo)
Sunflower (Helianthus annuus)
Sweet Pea (Lathyrus odoratus)
Thick-Flowered Rhododendron (Rhododendron pachysanthum)
Thread Agave (Agave filifera)
Tomato (Solanum lycopersicum)
Traveller's Joy (Clematis vitalba)
Tree Fuchsia (Fuchsia arborescens)
Tree Rhododendron (Rhododendron arboreum)
Tropical Sage (Salvia coccinea)
Tussock Bellflower (Campanula carpatica)
Upright Rhododendron (Rhododendron fastigiatum)
Violet Willow (Salix daphnoides)
Wall Speedwell (Veronica albicans)
Water Iris (Iris laevigata)
Wayfaring Tree (Viburnum lantana)
Weigela (Weigela florida)
Whitebeam (Sorbus aria)
White Clover (Trifolium repens)
White Dead-Nettle (Lamium album)
White Echeveria (Echeveria cante)
Wild Cherry (Prunus avium)
Wild Garlic (Allium ursinum)
Wild Geranium (Geranium maculatum)
Wild Mint (Mentha arvensis)
Wild Plum (Prunus domestica subsp. insititia)
Wild Service Tree (Sorbus torminalis)
Winter Heath (Erica carnea)
Wood Anemone (Anemonoides nemorosa)
Woodrush (Luzula sylvatica)
Wood Sorrel (Oxalis acetosella)
Wood Spurge (Euphorbia amygdaloides)
Wych Elm (Ulmus glabra)
Yarrow (Achillea millefolium)
Yellow Crocus Iris (Iris crocea)
Yunnan Iris (Iris forrestii)
ZZ Plant (Zamioculcas zamiifolia)
🌸 In flower in April
What's blooming this month (170 plants).
Alma-Ata Iris (Iris hoogiana)
Apple (Malus domestica)
Aspen (Populus tremula)
Azalea (Rhododendron)
Bamboo Iris (Iris confusa)
Barberry (Berberis)
Bay Tree (Laurus nobilis)
Bear's Ear (Primula auricula)
Bellflowers (Campanula)
Big-Leaf Rhododendron (Rhododendron calophytum)
Blackberry (Rubus fruticosus)
Blackthorn (Prunus spinosa)
Blireana Plum (Prunus × blireana)
Bluebell (Hyacinthoides non-scripta)
Boxwood (Buxus sempervirens)
Bukhara Iris (Iris bucharica)
Bulb-Bearing Leopard Lily (Lachenalia bulbifera)
Campbell's Magnolia (Magnolia campbellii)
Cape Cowslip (Lachenalia contaminata)
Cappadocian Maple (Acer cappadocicum)
Carmena's Pincushion Cactus (Mammillaria carmenae)
Cemetery Iris (Iris albicans)
Chenille Plant (Acalypha hispida)
Cherry Blossom (Prunus serrulata)
Cherry Plum (Prunus cerasifera)
Chihuahua Echeveria (Echeveria chihuahuaensis)
Chinese Primrose (Primula chionantha)
Chives (Allium schoenoprasum)
Common Ash (Fraxinus excelsior)
Common Beech (Fagus sylvatica)
Common Camellia (Camellia japonica)
Common Daisy (Bellis perennis)
Common Hazel (Corylus avellana)
Common Primrose (Primula husky)
Copper Iris (Iris fulva)
Corsican Crocus (Crocus corsicus)
Cow Parsley (Anthriscus sylvestris)
Cowslip (Primula veris)
Crimean Iris (Iris lutescens)
Crocus Tulip (Tulipa aucheriana)
Crown Cactus (Rebutia)
Crown Cactus (Rebutia canigueralii)
Cypripedium hank
Daffodils (Narcissus)
Daphne Rhododendron (Rhododendron campylogynum)
Darley Dale Heath (Erica x darleyensis)
Daurian Rhododendron (Rhododendron dauricum)
Davidson's Rhododendron (Rhododendron davidsonianum)
Dog Rose (Rosa rugosa)
Dogwood (Cornus sanguinea)
Early Azalea (Rhododendron lutescens)
Edgeworth's Rhododendron (Rhododendron edgeworthii)
English Elm (Ulmus minor)
Fairy Primrose (Primula malacoides)
False-Gold-Flower Rhododendron (Rhododendron pseudochrysanthum)
Farges Willow (Salix fargesii)
Field Birch (Betula pubescens)
Field Maple (Acer campestre)
Fire Heath (Erica cerinthoides)
Florentine Iris (Iris florentina)
Formosan Lady's Slipper Orchid (Cypripedium formosanum)
Fortune's Rhododendron (Rhododendron fortunei)
Fringed Iris (Iris japonica)
Fuji Cherry (Prunus incisa)
Fulvous Rhododendron (Rhododendron fulvum)
Garden Parsley (Petroselinum crispum)
Goat Willow (Salix caprea)
Gold Lace Cactus (Mammillaria elongata)
Gorse (Ulex europaeus)
Great White Rhododendron (Rhododendron decorum)
Gum Rock Rhododendron (Rhododendron calostrotum)
Hairyflower Bellflower (Campanula chamissonis)
Hairy Grey Heather (Erica canaliculata)
Hance's Rhododendron (Rhododendron hanceanum)
Hank Small Lady's Slipper Orchid (Cypripedium Hank Small gx)
Highbush Blueberry (Vaccinium corymbosum)
Hippophae-Like Rhododendron (Rhododendron hippophaeoides)
Hoary Willow (Salix eleagnos)
Holly (Ilex aquifolium)
Horned Spurge (Euphorbia ceratocarpa)
Horse Chestnut (Aesculus hippocastanum)
Hybrid Squill (Scilla × allenii)
Japanese Barberry (Berberis thunbergii)
Japanese Maple (Acer palmatum)
Kalanchoe
Keisk's Rhododendron (Rhododendron keiskei)
Kew Primrose (Primula kewensis)
King Rhododendron (Rhododendron rex)
Lachenalia corymbosa
Lady Tulip (Tulipa clusiana)
Lily Of The Valley (Convallaria majalis)
Loiseleuri Primrose (Primula × loiseleurii)
Lupin (Lupinus)
Magnificent Iris (Iris magnifica)
Magnolia denudata (QA: Magnolia denudata)
Makino's Rhododendron (Rhododendron makinoi)
Many-Branched Rhododendron (Rhododendron polycladum)
Martin's Spurge (Euphorbia martini)
McCabe's Rhododendron (Rhododendron macabeanum)
Mediterranean Spurge (Euphorbia characias)
Mexican Pincushion Cactus (Mammillaria magnimamma)
Mexican Snowball (Echeveria elegans)
Mother Of Hundreds (Mammillaria compressa)
Moth Orchid 'Ariadne' (Phalaenopsis × ariadne)
Moth Orchid (Phalaenopsis)
Nakahara's Rhododendron (Rhododendron nakaharae)
Notable Rhododendron (Rhododendron insigne)
Oaks (Quercus)
Ochre Rhododendron (Rhododendron ochraceum)
Old Lady Cactus (Mammillaria hahniana)
Oven Wattle (Acacia pravissima)
Paperbark Maple (Acer griseum)
Peace Lily (Spathiphyllum wallisii)
Pea (Pisum sativum)
Pear (Pyrus communis)
Persian Onion (Allium jesdianum)
Pink Lily Leek (Allium insubricum)
Plums, Cherries, And Allies (Prunus)
Polyanthus Primrose (Primula danova)
Pontic Rhododendron (Rhododendron ponticum)
Powderpuff Cactus (Mammillaria bocasana)
Primrose-Flowered Rhododendron (Rhododendron primuliflorum)
Primrose (Primula vulgaris)
Primroses (Primula)
Prunus Cistena (Prunus × cistena)
Purplish-Blue Rhododendron (Rhododendron russatum)
Racemose Rhododendron (Rhododendron racemosum)
Red Clover (Trifolium pratense)
Red Currant (Ribes rubrum)
Red Flower Iris (Iris milesii)
Rhubarb (Rheum rhabarbarum)
Rosemary (Salvia rosmarinus)
Rosy Rhododendron (Rhododendron oreodoxa)
Round-Leaved Rhododendron (Rhododendron orbiculare)
Roxie's Rhododendron (Rhododendron roxieanum)
Runner Bean (Phaseolus coccineus)
Silken Pincushion Cactus (Mammillaria bombycina)
Silver-Leaved Rhododendron (Rhododendron argyrophyllum)
Silver Sage (Salvia argentea)
Smooth Azalea (Rhododendron arborescens)
Snapdragon (Antirrhinum majus)
Snowdrop (Galanthus nivalis)
Snowy Rhododendron (Rhododendron niveum)
Spanish Heath (Erica australis)
Spider Plant (Chlorophytum comosum)
Spurges (Euphorbia)
Strawberry (Fragaria × ananassa)
Thick-Flowered Rhododendron (Rhododendron pachysanthum)
Traveller's Joy (Clematis vitalba)
Tree Rhododendron (Rhododendron arboreum)
Tulip (Tulipa)
Two-Flowered Tulip (Tulipa bifloriformis)
Upright Rhododendron (Rhododendron fastigiatum)
Viburnums (Viburnum)
Violet Willow (Salix acutifolia)
Water Iris (Iris laevigata)
White Dead-Nettle (Lamium album)
Wild Cherry (Prunus avium)
Wild Garlic (Allium ursinum)
Wild Geranium (Geranium maculatum)
Wild Plum (Prunus domestica subsp. insititia)
Wild Saffron (Crocus cartwrightianus)
Wild Strawberry (Fragaria vesca)
Willow (Salix viminalis)
Wood Anemone (Anemonoides nemorosa)
Wood Sorrel (Oxalis acetosella)
Wych Elm (Ulmus glabra)
Yellow Crocus (Crocus flavus)
Yellow Crocus Iris (Iris crocea)
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 |
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