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Fully hardy flower seeds

Shop fully hardy flower seeds and grow confident colour from seed

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Used at RHS Chelsea Flower Show
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Showing Seeds Flower seed Hardiness : Fully hardy clear all
83 items
Erigeron karvinskianus

Best Seller

25% off

Erigeron karvinskianus
From £2.99
approx 100 seeds
9cm pot
3 × approx 100 seeds
2 litre pot
+ 3 more available
0.75 star 1 star 1 star 1 star 1 star 4.9 5 221 (221)
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)
Alchemilla mollis

Best Seller

25% off

Alchemilla mollis
From £2.24
9cm pot
2 litre pot
3 × 9cm pots
6 × 9cm pots
+ 1 more available
0.5 star 1 star 1 star 1 star 1 star 4.6 5 29 (29)
Primula vulgaris

Best Seller

25% off

Primula vulgaris
From £2.24
approx 30 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 18 (18)
Anthriscus sylvestris

25% off

Anthriscus sylvestris
From £2.09
approx 150 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
0 star 0.5 star 1 star 1 star 1 star 3.5 5 2 (2)
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)
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)
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)
Eschscholzia californica Carmine King

New

25% off

Eschscholzia californica 'Carmine King'
£2.79 £2.09
approx 500 seeds
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)
Helianthus annuus Ruby Eclipse

New

25% off

Helianthus annuus 'Ruby Eclipse'
£2.99 £2.24
approx 20 seeds
Nigella damascena Miss Jekyll

25% off

Nigella damascena 'Miss Jekyll'
£2.39 £1.79
approx 500 seeds
0 star 1 star 1 star 1 star 1 star 4.0 5 2 (2)
Lathyrus odoratus Old Fashioned mixed

New

25% off

sweet pea 'Old Fashioned mixed'
£3.29 £2.47
approx 30 seeds
Centaurea cyanus Polka Dot Series

25% off

Centaurea cyanus 'Polka Dot Series'
£2.49 £1.87
approx 325 seeds
Dianthus barbatus Hollandia Purple Crown

New

25% off

Dianthus barbatus 'Hollandia Purple Crown'
£4.99 £3.74
approx 30 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
Helichrysum bracteatum Salmon Rose

New

25% off

Helichrysum bracteatum 'Salmon Rose'
£2.79 £2.09
approx 400 seeds
Helichrysum bracteatum Snow White

New

25% off

Helichrysum bracteatum 'Snow White'
£2.79 £2.09
approx 400 seeds
Visnaga daucoides

25% off

Visnaga daucoides (syn. Ammi visnaga)
From £1.87
approx 300 seeds
Antirrhinum majus Madame Butterfly Cherry Bronze

25% off

Antirrhinum majus 'Madame Butterfly Cherry Bronze'
£3.49 £2.62
approx 25 seeds
Briza maxima

25% off

Briza maxima
£2.69 £2.02
approx 225 seeds
Bupleurum rotundifolium Griffithii

25% off

Bupleurum rotundifolium 'Griffithii'
£2.99 £2.24
approx 125 seeds
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
Cleome hassleriana Violet Queen

25% off

Cleome hassleriana 'Violet Queen'
£3.79 £2.84
approx 125 seeds
0 star 1 star 1 star 1 star 1 star (1)
Cosmos bipinnatus Double Click Rose Bonbon (Double Click Series)

25% off

Cosmos bipinnatus 'Double Click Rose Bonbon' (Double Click Series)
£4.99 £3.74
approx 75 seeds
1 star 1 star 1 star 1 star 1 star (1)
Cosmos bipinnatus Fizzy White (Fizzy Series)

25% off

Cosmos bipinnatus 'Fizzy White' (Fizzy Series)
£3.29 £2.47
approx 100 seeds
Daucus carota Dara

25% off

Daucus carota 'Dara'
£3.29 £2.47
approx 50 seeds
0 star 0 star 0.5 star 1 star 1 star (2)
Erysimum cheiri Fire King

25% off

Erysimum cheiri 'Fire King'
From £2.24
approx 500 seeds
0.5 star 1 star 1 star 1 star 1 star (17)
Eschscholzia californica Thai Silk Rose Chiffon

New

25% off

Eschscholzia californica 'Thai Silk Rose Chiffon'
£2.99 £2.24
approx 150 seeds
Geranium pratense

New

25% off

Geranium pratense
£5.99 £4.49
approx 50 seeds
Helianthus annuus Taiyo

New

25% off

Helianthus annuus 'Taiyo'
£3.49 £2.62
approx 30 seeds
Helianthus annuus Teddy Bear

New

25% off

Helianthus annuus 'Teddy Bear'
£2.49 £1.87
approx 40 seeds
Helichrysum Eternity Mix

25% off

Helichrysum 'Eternity Mix'
£2.49 £1.87
approx 350 seeds
Hesperis matronalis

25% off

Hesperis matronalis
£2.79 £2.09
approx 500 seeds
1 star 1 star 1 star 1 star 1 star (2)
Hesperis matronalis var. albiflora

25% off

Hesperis matronalis var. albiflora
From £2.24
approx 500 seeds
0.5 star 1 star 1 star 1 star 1 star (5)
Lathyrus Prince of Orange

New

25% off

Lathyrus 'Prince of Orange'
£3.99 £2.99
approx 20 seeds
Linaria maroccana Licilia Red (Licilia Series)

25% off

Linaria maroccana 'Licilia Red' (Licilia Series)
£2.99 £2.24
approx 500 seeds
Linaria maroccana Licilia Violet (Licilia Series)

25% off

Linaria maroccana 'Licilia Violet' (Licilia Series)
£2.99 £2.24
approx 500 seeds
1 star 1 star 1 star 1 star 1 star (1)
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
Nigella Persian Jewels

New

25% off

Nigella 'Persian Jewels'
£2.99 £2.24
approx 500 seeds
Nigella damascena Miss Jekyll Alba

New

25% off

Nigella damascena 'Miss Jekyll Alba'
£2.40 £1.80
approx 500 seeds
Nigella damascena Oxford Blue

25% off

Nigella damascena 'Oxford Blue'
£2.79 £2.09
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
Nigella papillosa Delft Blue

25% off

Nigella papillosa 'Delft Blue'
From £2.09
approx 500 seeds
Nigella papillosa Midnight

25% off

Nigella papillosa 'Midnight'
£2.99 £2.24
approx 500 seeds
Salvia viridis

New

25% off

Salvia viridis
£2.99 £2.24
approx 300 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 (1)
Smyrnium perfoliatum

25% off

Smyrnium perfoliatum
From £2.99
approx 20 seeds
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)
Bright and bold sweet pea collection

25% off

Bright & bold sweet pea collection
£9.97 £7.48
1 × collection
Linaria maroccana Licilia collection

25% off

Linaria maroccana 'Licilia collection'
£5.98 £4.48
2 packets of seeds
Alcea rosea Single mixture

25% off

Alcea rosea 'Single mixture'
£2.49 £1.87
approx 75 seeds
Salvia viridis Pink Lagoon

25% off

Salvia viridis 'Pink Lagoon'
£2.49 £1.87
approx 300 seeds
Viola Vivaldi Beacon

New

Viola 'Vivaldi Beacon'
£4.99
approx 20 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)
Lepidium sativum

25% off

Lepidium sativum
£2.99 £2.24
approx 4500 seeds
dill Dukat

25% off

dill 'Dukat'
£2.79 £2.09
approx 500 seeds
bean (runner) Scarlet Emperor

25% off

bean (runner) 'Scarlet Emperor'
£3.29 £2.47
approx 45 seeds
1 star 1 star 1 star 1 star 1 star (2)
radish French Breakfast 3

25% off

radish 'French Breakfast 3'
£2.29 £1.72
approx 1200 seeds
1 star 1 star 1 star 1 star 1 star (2)
Apothecary herbs seed gift box

25% off

Apothecary herbs seed gift box
£22.99 £17.24
gift set
Herbal teas seed gift box

25% off

Herbal teas seed gift box
£22.99 £17.24
gift set
Herb garden caddy gift set

25% off

Herb garden caddy gift set
£14.99 £11.24
gift set
Seedballs forget-me-not seedbombs

25% off

Seedballs forget-me-not
From £5.24
20 seedballs in gift tube
250 seedballs gardener's bulk box
Shake and sow Flowers for insects

25% off

Shake & sow - Flowers for insects
£7.99 £5.99
20g of seed
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
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
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
Rudbeckia triloba Prairie Glow

New

Rudbeckia triloba 'Prairie Glow'
£3.99 £2.99
available to order from autumn
Astrantia major
Astrantia major
£2.99 £2.24
available to order from autumn
Matthiola incana Pillow Talk

New

Matthiola incana 'Pillow Talk'
£2.99 £2.24
available to order from autumn
Papaver Rose Feathers

New

Papaver 'Rose Feathers'
£2.49 £1.87
available to order from autumn
Sweet pea collection highly scented
Award-winning sweet pea collection highly scented
£11.17 £8.38
available to order from autumn
1 star 1 star 1 star 1 star 1 star (1)
Alcea rosea Halo Apricot (Halo Series)

New

Alcea rosea 'Halo Apricot' (Halo Series)
£3.99 £2.99
available to order from autumn
childrens grow bucket strawberry
childrens grow bucket 'strawberry'
£8.99 £6.74
available to order from winter
childrens grow bucket sunflower
childrens grow bucket 'sunflower'
£8.99 £6.74
available to order from winter

Our fully hardy flower seeds collection is designed to make growing from seed feel simple, useful and rewarding. These flower seeds help you add colour, texture and seasonal interest, whether you are filling gaps in a border, refreshing containers or planning a more productive cutting patch. Starting with seed is a flexible way to grow more for your money, and it gives you plenty of choice when shaping the look and feel of your outdoor space.

Choose from carefully selected varieties that suit different spaces, styles and levels of experience. You can look for reliable favourites, easy options for quick results, or more distinctive choices to add interest through the season. Clear product details help you understand where each seed works best, when to sow, and what kind of result to expect, so it is easier to choose with confidence.

At Crocus, our range is curated by people who understand real gardens and the practical decisions gardeners make. From popular flower seeds to more specialist choices, we focus on quality, useful information and convenient delivery to your door. Browse the range, pick the seeds that suit your plans, and start growing a garden that feels more colourful, personal and well put together.

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