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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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Showing Seeds Sowing month inside or protected : March clear all
231 items
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 4.7 5 3 (3)
Cosmos sulphureus Bright Lights mixed
Cosmos sulphureus 'Bright Lights mixed'
£2.99 £2.24
available to order from autumn
Tropaeolum majus Tip Top Apricot

New

nasturtium - Tropaeolum majus 'Tip Top Apricot'
£2.79 £2.09
available to order from autumn
Nicotiana × sanderae Perfume Deep Purple (Perfume Series)

New

Nicotiana × sanderae 'Perfume Deep Purple' (Perfume Series)
£2.99 £2.24
available to order from autumn
Strongly-scented sweet pea collection
Strongly-scented sweet pea collection
£9.27 £6.80
available to order from autumn
Antirrhinum majus Madame Butterfly Pink
Antirrhinum majus 'Madame Butterfly Pink'
£4.49 £3.37
available to order from autumn
Cosmos bipinnatus Apricot Lemonade

New

Cosmos bipinnatus 'Apricot Lemonade'
From £2.24
available to order from autumn
Cosmos bipinnatus Seashells mixed

New

Cosmos bipinnatus 'Seashells mixed'
£2.99 £2.24
available to order from autumn
Cosmos bipinnatus Xsenia
Cosmos bipinnatus 'Xsenia'
From £2.84
available to order from autumn
0 star 0 star 1 star 1 star 1 star 3.0 5 2 (2)
Eschscholzia californica Apricot Chiffon (Thai Silk Series)

New

Eschscholzia californica 'Apricot Chiffon' (Thai Silk Series)
£2.99 £2.24
available to order from autumn
Eschscholzia californica Thai Silk Appleblossom Chiffon (Thai Silk Series)

New

Eschscholzia californica 'Thai Silk Appleblossom Chiffon' (Thai Silk Series)
£2.99 £2.24
available to order from autumn
Matthiola longipetala subsp. bicornis

New

Matthiola longipetala subsp. bicornis
£2.99 £2.24
available to order from autumn
Tropaeolum majus Milkmaid
nasturtium - Tropaeolum majus 'Milkmaid'
£2.99 £2.24
available to order from autumn
Tropaeolum majus Purple Emperor

New

nasturtium - Tropaeolum majus 'Purple Emperor'
£3.29 £2.47
sold out
Award-winning sweet pea collection
Award-winning sweet pea collection
£10.27 £7.48
available to order from autumn
Astrantia major
Astrantia major
£2.99 £2.24
available to order from autumn
Cosmos bipinnatus Cupcakes Blush (Cupcakes Series)

New

Cosmos bipinnatus 'Cupcakes Blush' (Cupcakes Series)
£3.49 £2.62
available to order from autumn
Delphinium requienii

New

Delphinium requienii
£4.99 £3.74
available to order from autumn
Lathyrus odoratus Dorothy Eckford
Lathyrus odoratus 'Dorothy Eckford'
£3.29 £2.47
available to order from autumn
Matthiola incana Pillow Talk

New

Matthiola incana 'Pillow Talk'
£2.99 £2.24
available to order from autumn
Viola × wittrockiana Frizzle Sizzle Blue F1 (Frizzle Sizzle Series)
pansy 'Frizzle Sizzle Blue' (Frizzle Sizzle Series) F1
From £2.62
available to order from autumn
Lathyrus odoratus Almost Black
Lathyrus odoratus 'Almost Black'
£2.99 £2.24
available to order from autumn
Lathyrus odoratus Eclipse
Lathyrus odoratus 'Eclipse'
£2.99 £2.24
available to order from autumn
Lathyrus odoratus Lisa Marie
Lathyrus odoratus 'Lisa Marie'
£3.89 £2.92
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 Brandywine
tomato (beefsteak) 'Brandywine'
£2.99 £2.24
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)
tomato Red Cherry
tomato (cherry) 'Red Cherry'
£3.99 £2.99
available to order from autumn
childrens grow bucket sunflower
childrens grow bucket 'sunflower'
£8.99 £6.74
available to order from winter
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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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© Crocus.co.uk Ltd 2026. All rights reserved.