Free standard delivery when you spend £75 on plants | T&Cs apply

The bulb shop is now open | Shop now

Shop

Information & Help

My account

crocus
Wish-list My wheelbarrow

Seeds to sow indoors in March

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

By type
Facing
Soil type
Special conditions
Sunlight
Flowering month
Flower colour
Evergreen / deciduous
Fragrance
Attractive to wildlife
Rate of Growth
Eventual size
Special features
Bedding planting time
Sowing month outside
Vegetable harvesting month
Vegetable groups
Multibuy packs
Ready made borders
Planting combinations
Hardiness
Leaf colour
Ground cover
Position
Soil moisture
Used at RHS Chelsea Flower Show
Kitchen garden planting guidelines
Sort by popularity
All items
Showing Seeds Sowing month inside or protected : March clear all
216 items
Nicotiana langsdorffii Bronze Queen

25% off

Nicotiana langsdorffii 'Bronze Queen'
£3.29 £2.47
approx 40 seeds
Nicotiana mutabilis

25% off

Nicotiana mutabilis
£2.79 £2.09
approx 100 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 3 (3)
Nicotiana sylvestris

25% off

Nicotiana sylvestris
£2.79 £2.09
approx 450 seeds
0.5 star 1 star 1 star 1 star 1 star 4.6 5 5 (5)
Nigella damascena Miss Jekyll Alba

New

25% off

Nigella damascena 'Miss Jekyll Alba'
£2.40 £1.80
approx 500 seeds
Nigella papillosa African Bride

25% off

Nigella papillosa 'African Bride'
From £2.17
approx 100 seeds
3 × packets of 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
Viola × wittrockiana Frizzle Sizzle Burgundy F1 (Frizzle Sizzle Series)

25% off

pansy 'Frizzle Sizzle Burgundy' (Frizzle Sizzle Series) F1
From £3.74
approx 25 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 5.0 5 1 (1)
Phlox drummondii Sugar Stars

25% off

Phlox drummondii 'Sugar Stars'
£3.49 £2.62
approx 300 seeds
Rhodochiton atrosanguineus

25% off

Rhodochiton atrosanguineus
£3.99 £2.99
approx 10 seeds
Scabiosa atropurpurea Fata Morgana

25% off

Scabiosa atropurpurea 'Fata Morgana'
£3.49 £2.62
approx 75 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
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 3.7 5 3 (3)
Stachys officinalis

25% off

Stachys officinalis
£3.29 £2.47
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 5.0 5 1 (1)
Tagetes tenuifolia Golden Gem

25% off

Tagetes tenuifolia 'Golden Gem'
£2.99 £2.24
approx 225 seeds
Trifolium repens

25% off

Trifolium repens
£2.79 £2.09
approx 750 seeds
Verbascum Southern Charm

New

25% off

Verbascum 'Southern Charm'
£4.99 £3.74
approx 10 seeds
Viola odorata

25% off

Viola odorata
From £2.47
approx 50 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star (2)
Visnaga daucoides Green Mist

25% off

Visnaga daucoides 'Green Mist'
£3.29 £2.47
approx 200 seeds
1 star 1 star 1 star 1 star 1 star (2)
Zinnia Dahlia-Flowered Mixed

25% off

Zinnia 'Dahlia-Flowered Mixed'
£2.99 £2.24
approx 130 seeds
Zinnia elegans Zinderella Lilac

25% off

Zinnia elegans 'Zinderella Lilac'
£4.99 £3.74
approx 20 seeds
1 star 1 star 1 star 1 star 1 star (1)
Phacelia tanacetifolia

25% off

Phacelia tanacetifolia - green manure
£2.89 £2.17
25m² pack
1 star 1 star 1 star 1 star 1 star (3)
Linaria maroccana Licilia collection

25% off

Linaria maroccana 'Licilia collection'
£5.98 £4.48
2 packets of seeds
pink orange and white cutting garden collection

25% off

Pink orange & white cutting garden collection
£11.86 £8.90
1 × collection
Summer pudding cutting garden collection

25% off

Summer pudding cutting garden collection
£28.53 £21.40
1 × collection
Linaria purpurea Canon Went

25% off

Linaria purpurea 'Canon Went'
From £2.24
9cm pot
3 × 9cm pots
6 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star (2)
Achillea millefolium

Best Seller

25% off

Achillea millefolium
From £2.24
approx 400 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star (2)
Ajuga reptans

25% off

Ajuga reptans
£2.99 £2.24
approx 50 seeds
1 star 1 star 1 star 1 star 1 star (3)
Centaurea cyanus Blue Ball

25% off

Centaurea cyanus 'Blue Ball'
£2.99 £2.24
approx 325 seeds
Cosmos bipinnatus Casanova Pink (Casanova Series)

25% off

Cosmos bipinnatus 'Casanova Pink' (Casanova Series)
£3.29 £2.47
approx 30 seeds
1 star 1 star 1 star 1 star 1 star (1)
Cosmos bipinnatus Double Click Cranberries (Double Click Series)

25% off

Cosmos bipinnatus 'Double Click Cranberries' (Double Click Series)
£5.99 £4.49
approx 60 seeds
Cosmos bipinnatus Velouette
Cosmos bipinnatus 'Velouette'
£3.99
approx 30 seeds
Dahlia Black Forest Ruby

New

Dahlia 'Black Forest Ruby'
£2.99
approx 50 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
Lathyrus odoratus var. nanellus Pink Cupid

25% off

Lathyrus odoratus var. nanellus 'Pink Cupid'
From £2.02
approx 20 seeds
Limnanthes douglasii

25% off

Limnanthes douglasii
£2.49 £1.87
approx 125 seeds
1 star 1 star 1 star 1 star 1 star (1)
Linaria purpurea

New

25% off

Linaria purpurea
£2.99 £2.24
approx 100 seeds
Linaria purpurea Springside White

New

25% off

Linaria purpurea 'Springside White'
£3.49 £2.62
approx 40 seeds
Matthiola incana Anytime Red (Anytime Series)

25% off

Matthiola incana 'Anytime Red' (Anytime Series)
£3.49 £2.62
approx 100 seeds
Matthiola incana Rainbow Mixture
Matthiola incana 'Rainbow Mixture'
£4.49
approx 100 seeds
Tanacetum vulgare

25% off

tansy
£2.99 £2.24
approx 35 seeds
1 star 1 star 1 star 1 star 1 star (2)
Tulipa sprengeri

New

25% off

Tulipa sprengeri
£4.99 £3.74
approx 25 seeds
Verbena bonariensis Vanity
Verbena bonariensis 'Vanity'
£3.99
approx 40 seeds
Viola Vivaldi Beacon

New

Viola 'Vivaldi Beacon'
£4.99
approx 20 seeds
Blue and white cutting garden collection

25% off

Blue & white cutting garden collection
£11.36 £8.52
1 × collection
Cherry creme brûlée cutting garden collection

25% off

Cherry créme brûlée cutting garden collection
£25.33 £19.00
1 × collection
Simple white cutting garden collection

25% off

Simple white cutting garden collection
£5.88 £4.41
1 × collection
Sugared almonds cutting garden collection

25% off

Sugared almonds cutting garden collection
£28.62 £22.19
1 × collection
Summer nights cutting garden collection

25% off

Summer nights cutting garden collection
£28.43 £21.32
1 × collection
Lepidium sativum

25% off

Lepidium sativum
£2.99 £2.24
approx 4500 seeds
Mentha spicata

25% off

mint - spearmint
From £2.24
approx 300 seeds
9cm pot
2 + 1 FREE 9cm pots
1 star 1 star 1 star 1 star 1 star (1)
Salvia officinalis

25% off

sage common
From £2.09
approx 35 seeds
9cm pot
2 + 1 FREE 9cm pots
Thymus vulgaris

25% off

thyme common - thymus vulgaris
From £2.09
approx 200 organic seeds
9cm pot
2 + 1 FREE 9cm pots
Symphytum officinale

25% off

comfrey - common
£2.99 £2.24
approx 40 seeds
Tanacetum parthenium

25% off

feverfew
£2.79 £2.09
approx 300 organic seeds
1 star 1 star 1 star 1 star 1 star (2)
Mentha suaveolens

25% off

mint - apple mint
From £1.87
approx 300 seeds
9cm pot
2 + 1 FREE 9cm pots
Origanum vulgare subsp. hirtum

25% off

oregano - Greek
£2.79 £2.09
approx 1000 seeds
1 star 1 star 1 star 1 star 1 star (1)
Thymus Thyme of Provence

25% off

thyme 'Thyme of Provence'
£3.29 £2.47
approx 6000 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
Origanum vulgare

New

25% off

marjoram - wild marjoram
£2.49 £1.87
approx 200 seeds
1 star 1 star 1 star 1 star 1 star (2)
aubergine Listada di Gandia

25% off

aubergine 'Listada di Gandia'
£2.99 £2.24
approx 20 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)
bean (dwarf French) Tendergreen

25% off

bean (dwarf French) 'Tendergreen'
£2.99 £2.24
approx 150 seeds
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)
courgette Gold Rush

25% off

courgette 'Gold Rush' F1
£2.99 £2.24
approx 10 seeds
Cucamelon

25% off

Cucamelon
£2.99 £2.24
approx 20 seeds
cucumber Burpless Tasty Green F1

25% off

cucumber 'Burpless Tasty Green' F1
£2.79 £2.09
approx 16 seeds
0.75 star 1 star 1 star 1 star 1 star (4)
Cucumber La Diva

New

25% off

cucumber 'La Diva'
£2.99 £2.24
approx 25 seeds
melon Honey Drops Dara

New

25% off

melon 'Honey Drops Dara'
£3.99 £2.99
approx 5 seeds
musk strawberry

25% off

musk strawberry
£3.49 £2.62
approx 50 seeds
Pea Blauwschokker

New

25% off

Pea 'Blauwschokker'
£3.79 £2.84
approx 120 seeds
1 star 1 star 1 star 1 star 1 star (1)
pea Alderman

25% off

pea (maincrop) 'Alderman'
£2.19 £1.64
approx 300 seeds
pumpkin Hundredweight

25% off

pumpkin 'Hundredweight'
£2.19 £1.64
approx 15 seeds
pumpkin Marina di Chioggia

25% off

pumpkin 'Marina di Chioggia'
£3.49 £2.62
approx 9 seeds
tomato Sungold F1

25% off

tomato (cherry) 'Sungold' F1
From £2.62
approx 10 seeds
0 star 1 star 1 star 1 star 1 star (2)
tomato Tumbling Tom Red

Best Seller

25% off

tomato (cherry) 'Tumbling Tom Red'
From £2.47
approx 12 seeds
0.75 star 1 star 1 star 1 star 1 star (7)
watercress

25% off

watercress
£2.19 £1.64
approx 2000 seeds
Welsh onion

25% off

Welsh onion
From £2.24
approx 250 seeds
1 star 1 star 1 star 1 star 1 star (1)
Herbal teas seed gift box

25% off

Herbal teas seed gift box
£22.99 £17.24
gift set
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)
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
Cobaea scandens
Cobaea scandens
£3.19 £2.39
available to order from autumn
0 star 0 star 1 star 1 star 1 star (1)
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 (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
< Prev 1 2 3 Next >

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.

Copyright © Crocus.co.uk Ltd 2026. All rights reserved.

Contact us
Terms
Privacy
Cookies

© Crocus.co.uk Ltd 2026. All rights reserved.