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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
216 items
Tropaeolum majus Purple Emperor

New

nasturtium - Tropaeolum majus 'Purple Emperor'
£3.29 £2.47
sold out
Aquilegia vulgaris Pink Petticoat

New

Aquilegia vulgaris 'Pink Petticoat'
£3.99 £2.99
available to order from autumn
Aster chinensis Silver Blue

New

Aster chinensis 'Silver Blue'
£4.99 £3.74
available to order from autumn
Astrantia major
Astrantia major
£2.99 £2.24
available to order from autumn
Centaurea cyanus Classic Fantastic
Centaurea cyanus 'Classic Fantastic'
£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
Lunaria rediviva

New

Lunaria rediviva
£3.99 £2.99
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
Cardamine pratensis
Cardamine pratensis
From £2.99
available to order from spring 2027
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.