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Seeds to sow outside in March

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

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Showing Seeds Sowing month outside : March clear all
110 items
Verbena bonariensis

Best Seller

25% off

Verbena bonariensis
From £2.62
approx 250 seeds
3 × packets (approx 750 seeds)
9cm pot
2 litre pot
+ 3 more available
0.75 star 1 star 1 star 1 star 1 star 4.7 5 156 (156)
Salvia rosmarinus

Best Seller

25% off

rosemary
From £1.87
approx 60 seeds
9cm pot
2 + 1 FREE 9cm pots
2 litre pot
0.5 star 1 star 1 star 1 star 1 star 4.5 5 8 (8)
Ammi majus

Best Seller

25% off

Ammi majus
From £2.17
approx 500 seeds
0.75 star 1 star 1 star 1 star 1 star 4.7 5 6 (6)
Borago officinalis

25% off

borage
From £1.64
approx 75 organic seeds
0.5 star 1 star 1 star 1 star 1 star 4.5 5 6 (6)
Calendula officinalis

25% off

Calendula officinalis
£2.79 £2.09
approx 100 seeds
0.25 star 1 star 1 star 1 star 1 star 4.3 5 4 (4)
Calendula officinalis Indian Prince (Prince Series)

25% off

Calendula officinalis 'Indian Prince' (Prince Series)
£2.69 £2.02
approx 100 seeds
0.75 star 1 star 1 star 1 star 1 star 4.8 5 5 (5)
Calendula officinalis Sherbet Fizz

25% off

Calendula officinalis 'Sherbet Fizz'
£2.99 £2.24
approx 100 seeds
0 star 1 star 1 star 1 star 1 star 4.0 5 1 (1)
Centaurea cyanus

25% off

Centaurea cyanus
£3.29 £2.47
approx 200 seeds
0.5 star 1 star 1 star 1 star 1 star 4.5 5 2 (2)
Centaurea cyanus Black Ball

25% off

Centaurea cyanus 'Black Ball'
£2.89 £2.17
approx 300 seeds
Allium schoenoprasum

Best Seller

25% off

chives
From £1.64
approx 300 seeds
9cm pot
2 + 1 FREE 9cm pots
0 star 1 star 1 star 1 star 1 star 4.0 5 2 (2)
Dipsacus fullonum

Best Seller

25% off

Dipsacus fullonum
From £2.24
approx 150 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star 5.0 5 5 (5)
Eschscholzia californica Orange King

25% off

Eschscholzia californica 'Orange King'
£2.19 £1.64
approx 500 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Lathyrus odoratus Matucana

25% off

Lathyrus odoratus 'Matucana'
From £2.54
approx 20 seeds
0.25 star 1 star 1 star 1 star 1 star 4.3 5 10 (10)
Leucanthemum vulgare

25% off

Leucanthemum vulgare
£2.49 £1.87
approx 250 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Orlaya grandiflora

Best Seller

25% off

Orlaya grandiflora
From £2.17
approx 25 seeds
0.25 star 1 star 1 star 1 star 1 star 4.2 5 10 (10)
Papaver rhoeas Amazing Grey

25% off

Papaver rhoeas 'Amazing Grey'
From £2.17
approx 250 seeds
0.5 star 1 star 1 star 1 star 1 star 4.5 5 2 (2)
Poppy field collection of annuals

Best Seller

25% off

Poppy field collection of annuals
£4.99 £3.74
1g packet | seeds
Lathyrus odoratus Old Fashioned mixed

New

25% off

sweet pea 'Old Fashioned mixed'
£3.29 £2.47
approx 30 seeds
Allium ursinum

Best Seller

25% off

wild garlic - Allium ursinum
From £2.24
approx 40 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Centaurea cyanus Polka Dot Series

25% off

Centaurea cyanus 'Polka Dot Series'
£2.49 £1.87
approx 325 seeds
Lathyrus odoratus Noel Sutton

25% off

Lathyrus odoratus 'Noel Sutton'
From £2.24
approx 20 seeds
Visnaga daucoides

25% off

Visnaga daucoides (syn. Ammi visnaga)
From £1.87
approx 300 seeds
Amaranthus caudatus

25% off

Amaranthus caudatus
£2.79 £2.09
approx 2200 seeds
1 star 1 star 1 star 1 star 1 star (2)
Calendula officinalis Orange King

25% off

Calendula officinalis 'Orange King'
£2.49 £1.87
approx 150 seeds
Calendula officinalis Snow Princess

25% off

Calendula officinalis 'Snow Princess'
£2.89 £2.17
approx 100 seeds
Centaurea cyanus White Ball

25% off

Centaurea cyanus 'White Ball'
£2.49 £1.87
approx 300 seeds
Centaurea nigra

25% off

Centaurea nigra
From £2.24
approx 20 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star (5)
Centaurea scabiosa

25% off

Centaurea scabiosa
£2.99 £2.24
approx 20 seeds
Filipendula ulmaria

25% off

Filipendula ulmaria
£2.99 £2.24
approx 75 seeds
1 star 1 star 1 star 1 star 1 star (1)
Hesperis matronalis var. albiflora

25% off

Hesperis matronalis var. albiflora
From £2.24
approx 500 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star (5)
Knautia arvensis

25% off

Knautia arvensis
£2.99 £2.24
approx 25 seeds
0 star 0 star 0 star 1 star 1 star (2)
Lathyrus Prince of Orange

New

25% off

Lathyrus 'Prince of Orange'
£3.99 £2.99
approx 20 seeds
Lathyrus odoratus Beaujolais

25% off

Lathyrus odoratus 'Beaujolais'
£3.49 £2.62
approx 20 seeds
1 star 1 star 1 star 1 star 1 star (2)
Lathyrus odoratus Blue Velvet

New

25% off

Lathyrus odoratus 'Blue Velvet'
From £2.54
approx 20 seeds
Lathyrus odoratus Cupani

25% off

Lathyrus odoratus 'Cupani'
From £2.84
approx 20 seeds
0 star 1 star 1 star 1 star 1 star (1)
Lathyrus odoratus Frolic

25% off

Lathyrus odoratus 'Frolic'
£3.29 £2.47
approx 20 seeds
Lathyrus odoratus Gwendoline

25% off

Lathyrus odoratus 'Gwendoline'
£2.89 £2.17
approx 20 seeds
1 star 1 star 1 star 1 star 1 star (6)
Lathyrus odoratus Jilly

25% off

Lathyrus odoratus 'Jilly'
£2.99 £2.24
approx 20 seeds
Lathyrus odoratus Leamington

25% off

Lathyrus odoratus 'Leamington'
From £2.47
approx 20 seeds
Lathyrus odoratus Midnight

25% off

Lathyrus odoratus 'Midnight'
From £2.47
approx 20 seeds
1 star 1 star 1 star 1 star 1 star (2)
Lathyrus odoratus Mollie Rilstone

25% off

Lathyrus odoratus 'Mollie Rilstone'
From £2.47
approx 20 seeds
Lathyrus odoratus Painted Lady

25% off

Lathyrus odoratus 'Painted Lady'
From £2.62
approx 20 seeds
0 star 0 star 1 star 1 star 1 star (1)
Lathyrus odoratus Top Hat

25% off

Lathyrus odoratus 'Top Hat'
From £2.24
approx 20 seeds
Lathyrus odoratus Winston Churchill

25% off

Lathyrus odoratus 'Winston Churchill'
From £2.62
approx 20 seeds
Lathyrus × hammettii Erewhon

25% off

Lathyrus × hammettii 'Erewhon'
From £2.62
approx 20 seeds
Primula veris

25% off

Primula veris
From £2.24
approx 50 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
+ 1 more available
1 star 1 star 1 star 1 star 1 star (8)
Silene dioica

25% off

Silene dioica
From £1.87
approx 100 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star (1)
Silene vulgaris

New

25% off

Silene vulgaris
£2.99 £2.24
approx 200 seeds
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)
Bright and bold sweet pea collection

25% off

Bright & bold sweet pea collection
£9.97 £7.48
1 × collection
Agrostemma githago

25% off

Agrostemma githago
£3.29 £2.47
approx 75 seeds
Centaurea cyanus Blue Ball

25% off

Centaurea cyanus 'Blue Ball'
£2.99 £2.24
approx 325 seeds
Centaurea cyanus Classic Magic
Centaurea cyanus 'Classic Magic'
£2.89
approx 100 seeds
Lathyrus odoratus High Scent

25% off

Lathyrus odoratus 'High Scent'
£4.79 £3.59
approx 20 seeds
Lathyrus odoratus Princess Elizabeth
Lathyrus odoratus 'Princess Elizabeth'
From £2.99
approx 20 seeds
Lathyrus odoratus Spencer Waved Mixed

25% off

Lathyrus odoratus 'Spencer Waved Mixed'
From £2.99
approx 35 seeds
Chamaemelum nobile

25% off

common chamomile
From £2.39
approx 400 seeds
9cm pot
2 + 1 FREE 9cm pots
1 star 1 star 1 star 1 star 1 star (2)
Myrrhis odorata

25% off

sweet cicely
£2.29 £1.72
approx 5 seeds
Ocimum basilicum Napoletano

25% off

basil 'Napoletano'
£3.29 £2.47
approx 4000 seeds
Allium tuberosum

25% off

chives 'garlic'
From £1.87
approx 120 seeds
1 star 1 star 1 star 1 star 1 star (1)
beetroot Boldor F1

25% off

beetroot 'Boldor' F1
£2.99 £2.24
approx 200 seeds
beetroot Boltardy

25% off

beetroot 'Boltardy'
£2.19 £1.64
approx 275 seeds
0 star 1 star 1 star 1 star 1 star (1)
beetroot Mixed

25% off

beetroot 'Mixed'
£2.89 £2.17
approx 250 seeds
0.5 star 1 star 1 star 1 star 1 star (2)
cauliflower Igloo

25% off

cauliflower 'Igloo'
£2.79 £2.09
approx 65 seeds
courgette Gold Rush

25% off

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

25% off

courgette 'Romanesco'
From £1.69
approx 15 seeds
approx 45 seeds
0.5 star 1 star 1 star 1 star 1 star (2)
kohl rabi Purple Delicacy

25% off

kohlrabi 'Purple Delicacy'
£2.49 £1.87
approx 450 seeds
Mizuna

25% off

mizuna
£2.19 £1.64
approx 500 seeds
pea Early Onward

25% off

pea (early) 'Early Onward'
£2.79 £2.09
approx 350 seeds
pea Kelvedon Wonder

25% off

pea (early) 'Kelvedon Wonder'
£2.99 £2.24
approx 350 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
pea Oregon Sugar Pod

25% off

pea (mangetout) 'Oregon Sugar Pod'
£3.49 £2.62
approx 250 seeds
1 star 1 star 1 star 1 star 1 star (1)
radish Mixed

25% off

radish 'Mixed'
£2.29 £1.72
approx 1000 seeds
1 star 1 star 1 star 1 star 1 star (2)
rocket cultivated

25% off

rocket - cultivated
From £2.47
approx 5000 seeds
rocket wild

25% off

rocket - wild
From £2.47
approx 6000 seeds
sorrel red veined

25% off

sorrel red veined
£2.79 £2.09
approx 200 seeds
Seedballs artists meadow seedbombs

25% off

Seedballs artists meadow
From £5.99
20 seedballs in gift tin
250 seedballs gardener's bulk box
500 seedballs gardener's bulk box
0 star 0 star 0 star 0 star 1 star (1)
Seedballs bee matchboxes seedbombs

25% off

Seedballs bee matchboxes
£12.99 £9.74
set of 3 matchboxes
Seedballs blue meadow seedbombs

25% off

Seedballs blue meadow
From £5.99
20 seedballs in gift tin
250 seedballs gardener's bulk box
500 seedballs gardener's bulk box
Seedballs cornflower seedbombs

25% off

Seedballs cornflower
From £5.24
20 seedballs in gift tube
250 seedballs gardener's bulk box
500 seedballs gardener's bulk box
0 star 1 star 1 star 1 star 1 star (1)
Seedballs edible flowers seedbombs

25% off

Seedballs edible flowers
£15.99 £11.99
100 seedballs in gift pouch
Seedballs for bees seedbombs

25% off

Seedballs for bees
From £5.99
20 seedballs in gift tin
100 seedballs in gift pouch
250 seedballs gardener's bulk box
500 seedballs gardener's bulk box
Seedballs for butterflies seedbombs

25% off

Seedballs for butterflies
From £5.99
20 seedballs in gift tin
100 seedballs in gift pouch
250 seedballs gardener's bulk box
500 seedballs gardener's bulk box
Seedballs hedgehog mix seedbombs

25% off

Seedballs hedgehog mix
From £5.99
20 seedballs in gift tin
250 seedballs gardener's bulk box
500 seedballs gardener's bulk box
Seedballs mint seedbombs

25% off

Seedballs mint
£6.99 £5.24
20 seedballs in gift tube
Seedballs native wildflowers for a garden meadow - seedbombs (URBAN)

25% off

Seedballs native wildflowers for a garden meadow
From £5.99
20 seedballs in gift tin
100 seedballs in gift pouch
250 seedballs gardener's bulk box
500 seedballs gardener's bulk box
1 star 1 star 1 star 1 star 1 star (1)
Seedballs native wildflowers for wildlife - seedbombs

25% off

Seedballs native wildflowers for wildlife
From £11.99
100 seedballs in gift pouch
250 seedballs gardener's bulk box
500 seedballs gardener's bulk box
Seedballs ox-eye daisy seedbombs

25% off

Seedballs ox-eye daisy
From £5.24
20 seedballs in gift tube
250 seedballs gardener's bulk box
500 seedballs gardener's bulk box
Seedballs parsley seedbombs

25% off

Seedballs parsley
£6.99 £5.24
20 seedballs in gift tube
Seedballs poppies seedbombs

25% off

Crocus collection
Seedballs poppies
From £5.24
20 seedballs in gift tube
100 seedballs in gift pouch
250 seedballs gardener's bulk box
500 seedballs gardener's bulk box
Seedballs red campion seedbombs

25% off

Seedballs red campion
From £5.24
20 seedballs in gift tube
250 seedballs gardener's bulk box
Seedballs wildlife collection

25% off

Seedballs wildlife collection
£16.99 £12.74
set of 6
Lathyrus odoratus Charlie's Angel
Lathyrus odoratus 'Charlie's Angel'
From £2.62
available to order from autumn
0.25 star 1 star 1 star 1 star 1 star (5)
Dark and rich sweet pea collection
Dark & rich sweet pea collection
£9.37 £7.03
available to order from autumn
Lavish and lush sweet pea collection
Lavish & lush sweet pea collection
£9.37 £7.03
available to order from autumn
Strongly-scented sweet pea collection
Strongly-scented sweet pea collection
£9.27 £6.80
available to order from autumn
Aquilegia vulgaris
Aquilegia vulgaris
£2.99 £2.24
available to order from autumn
1 star 1 star 1 star 1 star 1 star (1)
Lathyrus odoratus Daphne
Lathyrus odoratus 'Daphne'
From £2.47
available to order from autumn
Award-winning sweet pea collection
Award-winning sweet pea collection
£10.27 £7.48
available to order from autumn
Centaurea cyanus Classic Fantastic
Centaurea cyanus 'Classic Fantastic'
£2.99 £2.24
available to order from autumn
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Seeds to sow outside 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 outside 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.