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Fast growing flower seeds

Shop fast growing flower seeds with confidence

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Used at RHS Chelsea Flower Show
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Showing Seeds Flower seed Special features : Fast growing clear all
113 items
Sugared almonds cutting garden collection

25% off

Sugared almonds cutting garden collection
£28.62 £22.19
1 × collection
Heritage sweet pea seed gift box

25% off

Heritage sweet pea 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
Edible flower collection seed gift box

25% off

Edible flower collection seed gift box
£22.99 £17.24
gift set
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)
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)
Geranium palmatum

New

25% off

Geranium palmatum
From £2.24
approx 60 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
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)
Muhlenbergia capillaris

Best Seller

25% off

Muhlenbergia capillaris
From £2.99
approx 20 seeds
2 litre pot
3 × 2 litre pots
1 star 1 star 1 star 1 star 1 star 4.9 5 8 (8)
Edible flowers gift set
Edible flowers gift set
£11.99 £8.99
available to order from winter
edible flower petal collection

25% off

edible flower petal collection
£11.75 £8.81
5 × packets | seeds
Blue and white cutting garden collection

25% off

Blue & white cutting garden collection
£11.36 £8.52
1 × collection
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 5.0 5 1 (1)
Verbena bonariensis

Best Seller

25% off

Verbena bonariensis
From £2.62
approx 250 seeds
3 × packets (approx 750 seeds)
9cm pot
3 × 9cm pots
+ 1 more available
0.75 star 1 star 1 star 1 star 1 star 4.7 5 156 (156)
Bright and bold sweet pea collection

25% off

Bright & bold sweet pea collection
£9.97 £7.48
1 × collection
Lavish and lush sweet pea collection
Lavish & lush sweet pea collection
£9.37 £7.03
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
Erigeron karvinskianus

Best Seller

25% off

Erigeron karvinskianus
From £2.99
approx 100 seeds
9cm pot
3 × approx 100 seeds
3 × 9cm pots
+ 1 more available
0.75 star 1 star 1 star 1 star 1 star 4.9 5 221 (221)
Strongly-scented sweet pea collection
Strongly-scented sweet pea collection
£9.27 £6.80
available to order from autumn
Shake and sow Flowers for insects

25% off

Shake & sow - Flowers for insects
£7.99 £5.99
20g of seed
Viola Vivaldi Beacon

New

Viola 'Vivaldi Beacon'
£4.99
approx 20 seeds
Dahlia merckii

New

25% off

Dahlia merckii
From £4.49
approx 10 seeds
1 star 1 star 1 star 1 star 1 star (2)
Matthiola incana Rainbow Mixture
Matthiola incana 'Rainbow Mixture'
£4.49
approx 100 seeds
Geranium pratense

New

25% off

Geranium pratense
£5.99 £4.49
approx 50 seeds
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Our fast growing 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.