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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
123 items
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 5.0 5 2 (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 5.0 5 2 (2)
Apothecary herbs seed gift box

25% off

Apothecary herbs 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
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
Eschscholzia californica Pink Champagne

New

Eschscholzia californica 'Pink Champagne'
£2.99 £2.24
available to order from autumn
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 4.2 5 5 (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
Echinacea purpurea Magnus Superior

New

Echinacea purpurea 'Magnus Superior'
£3.49 £2.62
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
Delphinium requienii

New

Delphinium requienii
£4.99 £3.74
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
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)
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
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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.