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Seeds to sow indoors in March

Shop seeds to sow indoors in March and grow with confidence from seed

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Used at RHS Chelsea Flower Show
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Showing Seeds Sowing month inside or protected : March clear all
57 items
Stipa tenuissima

Best Seller

25% off

Stipa tenuissima
From £2.84
approx 30 seeds
9cm pot
2 litre pot
3 × 9cm pots
+ 2 more available
0.75 star 1 star 1 star 1 star 1 star 4.8 5 59 (59)
Antirrhinum majus Potomac Lavender

25% off

Antirrhinum majus 'Potomac Lavender'
£5.49 £4.12
approx 50 seeds
Aquilegia vulgaris William Guiness

25% off

Aquilegia vulgaris 'William Guiness'
£3.99 £2.99
approx 40 seeds
Helianthus annuus Claret

New

25% off

Helianthus annuus 'Claret'
£3.49 £2.62
approx 20 seeds
Helianthus annuus Ms Mars

25% off

Helianthus annuus 'Ms Mars'
£2.99 £2.24
approx 20 seeds
Helianthus annuus ProCut White Lite (ProCut Series)

New

25% off

Helianthus annuus 'ProCut White Lite' (ProCut Series)
£3.49 £2.62
approx 15 seeds
Helianthus annuus Red Sun

New

25% off

Helianthus annuus 'Red Sun'
£3.49 £2.62
approx 25 seeds
Matthiola incana Appleblossom

25% off

Matthiola incana 'Appleblossom'
£4.49 £3.37
approx 100 seeds
Matthiola incana Avalanche

25% off

Matthiola incana 'Avalanche'
£4.49 £3.37
approx 100 seeds
Campanula trachelium
Campanula trachelium
£2.99
approx 150 seeds
Delphinium Pacific Hybrids

25% off

Delphinium Pacific hybrids
£3.49 £2.62
approx 70 seeds
Helianthus Tall Single

25% off

Helianthus 'Tall Single'
£2.49 £1.87
approx 50 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Helianthus annuus Taiyo

New

25% off

Helianthus annuus 'Taiyo'
£3.49 £2.62
approx 30 seeds
Helianthus debilis Soluna Lemon
Helianthus debilis 'Soluna Lemon'
£3.49
approx 30 seeds
Helichrysum Eternity Mix

25% off

Helichrysum 'Eternity Mix'
£2.49 £1.87
approx 350 seeds
Lagurus ovatus

25% off

Lagurus ovatus
£2.69 £2.02
approx 500 seeds
Lunaria annua Corfu Blue

New

25% off

Lunaria annua 'Corfu Blue'
£3.29 £2.47
approx 20 seeds
Lunaria annua var. albiflora

25% off

Lunaria annua var. albiflora
£2.99 £2.24
approx 100 seeds
Oenothera lindheimeri The Bride

25% off

Oenothera lindheimeri 'The Bride'
£2.79 £2.09
approx 25 seeds
Oenothera versicolor Sunset Boulevard

New

25% off

Oenothera versicolor 'Sunset Boulevard'
£2.99 £2.24
approx 100 seeds
Phlox drummondii Cherry Caramel

25% off

Phlox drummondii 'Cherry Caramel'
£3.49 £2.62
approx 200 seeds
1 star 1 star 1 star 1 star 1 star (1)
Phlox drummondii Sugar Stars
Phlox drummondii 'Sugar Stars'
£3.49
approx 300 seeds
Scabiosa stellata

25% off

Scabiosa stellata
£2.99 £2.24
approx 65 seeds
Silene coronaria

25% off

Silene coronaria
From £1.87
approx 50 seeds
0 star 0.75 star 1 star 1 star 1 star (3)
Stachys officinalis
Stachys officinalis
£3.29
approx 150 seeds
Tagetes patula Burning Embers

25% off

Tagetes patula 'Burning Embers'
£2.39 £1.79
approx 50 seeds
Tagetes patula Naughty Marietta

25% off

Tagetes patula 'Naughty Marietta'
£2.49 £1.87
approx 175 seeds
1 star 1 star 1 star 1 star 1 star (1)
Tagetes tenuifolia Golden Gem
Tagetes tenuifolia 'Golden Gem'
£2.99
approx 225 seeds
Helianthus annuus Desire Red
Helianthus annuus 'Desire Red'
£3.99
approx 10 seeds
Helianthus debilis Soluna Bronze

25% off

Helianthus debilis 'Soluna Bronze'
£3.49 £2.62
approx 30 seeds
Petroselinum crispum Extra moss curled

25% off

parsley 'Extra moss curled'
From £1.64
approx 500 seeds
9cm pot
2 + 1 FREE 9cm pots
0.75 star 1 star 1 star 1 star 1 star (3)
Petroselinum crispum var. neapolitanum

25% off

parsley 'Italian Giant'
From £1.87
approx 300 organic seeds
9cm pot
2 + 1 FREE 9cm pots
0 star 0 star 0 star 0 star 1 star (1)
shiso

25% off

shiso
£2.99 £2.24
approx 100 seeds
bean (climbing French) Cobra

25% off

bean (climbing French) 'Cobra'
£2.99 £2.24
approx 50 seeds
1 star 1 star 1 star 1 star 1 star (3)
beetroot beetroot of Chioggia

25% off

beetroot 'Beetroot of Chioggia'
£3.29 £2.47
approx 600 seeds
celeriac Prinz

25% off

celeriac 'Prinz'
£3.99 £2.99
approx 100 seeds
1 star 1 star 1 star 1 star 1 star (1)
chilli Basket of Fire F1

25% off

chilli 'Basket of Fire' F1
£3.99 £2.99
approx 10 seeds
chilli Carolina Reaper

25% off

chilli 'Carolina Reaper'
£3.99 £2.99
approx 5 seeds
chilli Jalapeño

25% off

chilli 'Jalapeño'
From £1.87
approx 15 seeds
1 star 1 star 1 star 1 star 1 star (1)
chilli Scotch Bonnet

25% off

chilli 'Scotch Bonnet'
From £2.09
approx 50 seeds
chilli Spangles
chilli 'Spangles'
£3.49
approx 10 seeds
chilli Trinidad Perfume

25% off

chilli 'Trinidad Perfume'
£3.49 £2.62
approx 10 seeds
cress common plain

25% off

cress 'common plain'
£1.99 £1.49
approx 5000 seeds
Luffa cylindrica

25% off

loofah gourd - grow your own sponges
£2.99 £2.24
approx 10 seeds
tomato Marmande

25% off

tomato (beefsteak) 'Marmande'
£2.99 £2.24
approx 20 seeds
watercress

25% off

watercress
£2.19 £1.64
approx 2000 seeds
Mimosa pudica

25% off

Mimosa pudica
£3.29 £2.47
approx 150 seeds
Lunaria annua Chedglow
Lunaria annua 'Chedglow'
From £3.74
available to order from summer
0.75 star 1 star 1 star 1 star 1 star (3)
Aster chinensis Silver Blue

New

Aster chinensis 'Silver Blue'
£4.99 £3.74
available to order from autumn
Delphinium requienii

New

Delphinium requienii
£4.99 £3.74
available to order from autumn
Lunaria rediviva

New

Lunaria rediviva
£3.99 £2.99
available to order from autumn
chilli Joes Long Cayenne

New

chilli 'Joes Long Cayenne'
£3.99 £2.99
available to order from autumn
1 star 1 star 1 star 1 star 1 star (1)
chilli Padron
chilli 'Padron'
£3.99 £2.99
available to order from autumn
1 star 1 star 1 star 1 star 1 star (1)
tomato Cuor Di Bue
oxheart tomato (beefsteak) 'Cuor Di Bue'
£3.99 £2.99
available to order from autumn
tomato Black Crimea
tomato (beefsteak) 'Black Crimea'
£3.99 £2.99
available to order from autumn
tomato Costoluto Fiorentino
tomato (beefsteak) 'Costoluto Fiorentino'
£3.99 £2.99
available to order from autumn
0 star 1 star 1 star 1 star 1 star (1)
tomato Gigantomo F1
tomato (beefsteak) 'Gigantomo' F1
£3.49 £2.62
available to order from autumn
1 star 1 star 1 star 1 star 1 star (1)

Seeds to sow indoors in March make it easier to choose seeds that fit the way you want to garden. Starting from seed gives you more choice, good value and the satisfaction of watching plants grow from the very beginning. Whether you are filling a few pots, planning a border, refreshing a patch of lawn or growing food for the table, the right seed choice helps you get moving with confidence.

At Crocus, the seed range is carefully selected to support everyday gardeners as well as those with a clear plan in mind. You can explore flower seeds, vegetable seeds, herbs, wildflower mixes, lawn seed and practical growing kits, with product details that help you compare timing, space, colour and conditions before you buy.

Seeds to sow indoors in March help you plan your seed trays, pots and outdoor sowing without the guesswork. Use the timing as a simple guide, then check each product page for the best sowing notes before you start.

Order online and have your seeds delivered to your door, ready for your next sowing session. With Crocus expertise behind the range, you can choose popular varieties, plan useful combinations and build a garden that feels more productive, more colourful and easier to manage.

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