What to Plant in March

Seeds to sow, young plants to put out, and what's flowering in March in UK gardens — drawn straight from the GardenWizz plant encyclopedia.

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🌱 Sow in March

Sow these seeds this month (39 plants).

Avens (Geum)

Basil (Ocimum basilicum)

Beetroot (Beta vulgaris)

Buddleia (Buddleja davidii)

Carrot (Daucus carota)

Chives (Allium schoenoprasum)

Clematis (Clematis)

Coriander (Coriandrum sativum)

Cornflower (Centaurea cyanus)

Cosmos (Cosmos bipinnatus)

Courgette (Cucurbita pepo)

Fennel (Foeniculum vulgare)

Field Maple (Acer campestre)

Foxglove (Digitalis purpurea)

Heather (Calluna vulgaris)

Lavender (Lavandula angustifolia)

Lemon Balm (Melissa officinalis)

Lettuce (Lactuca sativa)

Marigold (Tagetes)

Mint (Mentha)

Onion (Allium cepa)

Oregano (Origanum vulgare)

Parsley (Petroselinum crispum)

Pea (Pisum sativum)

Poppy (Papaver)

Pot Marigold (Calendula officinalis)

Red Campion (Silene dioica)

Rudbeckia (Rudbeckia fulgida)

Sage (Salvia officinalis)

Snapdragon (Antirrhinum majus)

Strawberry (Fragaria ananassa)

Sunflower (Helianthus annuus)

Sweet Pea (Lathyrus odoratus)

Tarragon (Artemisia dracunculus)

Thyme 'Silver Queen'

Thyme (Thymus vulgaris)

Tomato (Solanum lycopersicum)

Wild Strawberry (Fragaria vesca)

Yarrow (Achillea millefolium)

🪴 Plant out in March

Put these into the garden now (74 plants).

Apple (Malus domestica)

Avens (Geum)

Bearded Iris (Iris germanica)

Beetroot (Beta vulgaris)

Blackberry (Rubus fruticosus)

Blueberry 'Duke'

Blueberry 'Spartan'

Blueberry (Vaccinium corymbosum)

Boxwood (Buxus sempervirens)

Buddleia (Buddleja davidii)

Bugle (Ajuga reptans)

Camellia (Camellia japonica)

Catmint (Nepeta)

Common Alder (Alnus glutinosa)

Common Beech (Fagus sylvatica)

Common Lilac (Syringa vulgaris)

Common Rose (Rosa gallica)

Coneflower (Echinacea purpurea)

Cornflower (Centaurea cyanus)

Daylily (Hemerocallis)

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)

Hawthorn (Crataegus monogyna)

Heather (Calluna vulgaris)

Hellebore (Helleborus)

Holly (Ilex aquifolium)

Honeysuckle 'Graham Thomas'

Honeysuckle 'Serotina'

Hosta

Hydrangea (Hydrangea macrophylla)

Japanese Maple (Acer palmatum)

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)

Rose (Rosa)

Rudbeckia (Rudbeckia fulgida)

Sage (Salvia officinalis)

Stonecrop (Sedum)

Strawberry 'Cambridge Favourite'

Strawberry (Fragaria ananassa)

Strawberry 'Hapil'

Strawberry 'Honeoye'

Sunflower (Helianthus annuus)

Sweet Chestnut (Castanea sativa)

Sweet Pea (Lathyrus odoratus)

Thyme 'Silver Queen'

Thyme (Thymus vulgaris)

Wild Strawberry (Fragaria vesca)

Wisteria 'Amethyst'

Wisteria 'Prolific'

Wisteria (Wisteria sinensis)

Yarrow (Achillea millefolium)

Yew (Taxus baccata)

🌸 In flower in March

What's blooming this month (31 plants).

❄️ 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