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Fast growth seeds

Shop fast growth seeds and grow with confidence from seed

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Used at RHS Chelsea Flower Show
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Showing Seeds Rate of Growth : Fast clear all
72 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)
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)
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)
Muhlenbergia capillaris

Best Seller

25% off

Muhlenbergia capillaris
From £2.99
approx 20 seeds
9cm pot
2 litre pot
3 × 9cm pots
+ 2 more available
1 star 1 star 1 star 1 star 1 star 4.9 5 8 (8)
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)
Dahlia merckii

New

25% off

Dahlia merckii
From £4.49
approx 10 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Aubrieta Purple Cascade (Cascade Series) F1

25% off

Aubrieta 'Purple Cascade' (Cascade Series) F1
£3.49 £2.62
approx 400 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 4 (4)
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)
Papaver dubium subsp. lecoqii Albiflorum

Best Seller

25% off

Papaver dubium subsp. lecoqii 'Albiflorum'
From £2.24
approx 50 seeds
0 star 0 star 1 star 1 star 1 star 3.0 5 1 (1)
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)
Tithonia rotundifolia Torch

25% off

Tithonia rotundifolia 'Torch'
£2.79 £2.09
approx 100 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
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)
Cerinthe major Purpurascens

25% off

Cerinthe major 'Purpurascens'
From £2.62
approx 12 seeds
0.75 star 1 star 1 star 1 star 1 star 4.8 5 13 (13)
Oreomecon nudicaulis

25% off

Icelandic poppy mixed | Papaver nudicaulis
£3.49 £2.62
approx 300 seeds
Myosotis sylvatica Ultramarine

25% off

Myosotis sylvatica 'Ultramarine'
£2.99 £2.24
approx 175 seeds
Viola Tiger Eye Red

25% off

Viola 'Tiger Eye Red'
£4.99 £3.74
approx 25 seeds
Viola Tiger Eyes

25% off

Viola 'Tiger Eyes'
From £2.24
approx 25 seeds
Briza maxima

25% off

Briza maxima
£2.69 £2.02
approx 225 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 5.0 5 5 (5)
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)
Dahlia Bishop's Children (mixed)

25% off

Dahlia Bishop's Children
£2.79 £2.09
approx 100 seeds
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)
Viola tricolor

25% off

heartease
£2.79 £2.09
approx 75 seeds
Lotus corniculatus

25% off

Lotus corniculatus
£2.99 £2.24
approx 100 seeds
0 star 1 star 1 star 1 star 1 star (2)
Lychnis flos-cuculi

25% off

Lychnis flos-cuculi
From £2.09
approx 1000 seeds
1 litre aquatic pot
3 litre aquatic pot
3 × 1 litre aquatic pots
1 star 1 star 1 star 1 star 1 star (1)
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
Persicaria orientalis Cerise Pearls

25% off

Persicaria orientalis 'Cerise Pearls'
£3.99 £2.99
approx 100 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)
Rhodochiton atrosanguineus

25% off

Rhodochiton atrosanguineus
£3.99 £2.99
approx 10 seeds
Rudbeckia hirta Marmalade

New

25% off

Rudbeckia hirta 'Marmalade'
£2.99 £2.24
approx 450 seeds
Salvia viridis

New

25% off

Salvia viridis
£2.99 £2.24
approx 300 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)
Smyrnium perfoliatum

25% off

Smyrnium perfoliatum
From £2.99
approx 20 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)
Geranium palmatum

New

25% off

Geranium palmatum
From £2.24
approx 60 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
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)
Alcea rosea Nigra

25% off

Alcea rosea 'Nigra'
From £2.24
approx 50 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
0 star 0 star 0.5 star 1 star 1 star (2)
Alcea rosea Single mixture

25% off

Alcea rosea 'Single mixture'
£2.49 £1.87
approx 75 seeds
Dahlia Black Forest Ruby

New

Dahlia 'Black Forest Ruby'
£2.99
approx 50 seeds
Linum perenne

25% off

flax, linseed
£2.99 £2.24
approx 700 seeds
Matthiola incana Anytime Red (Anytime Series)

25% off

Matthiola incana 'Anytime Red' (Anytime Series)
£3.49 £2.62
approx 100 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
Blue and white cutting garden collection

25% off

Blue & white cutting garden collection
£11.36 £8.52
1 × collection
Lythrum salicaria

25% off

Lythrum salicaria
From £18.74
1 litre aquatic pot
3 × 9cm pots
3 × 1 litre aquatic pots
1 star 1 star 1 star 1 star 1 star (1)
Angelica archangelica

25% off

angelica
From £2.92
approx 100 seeds
9cm pot
2 + 1 FREE 9cm pots
0.75 star 1 star 1 star 1 star 1 star (6)
Foeniculum vulgare

25% off

fennel - Foeniculum vulgare
From £2.24
approx 200 seeds
9cm pot
2 + 1 FREE 9cm pots
1 star 1 star 1 star 1 star 1 star (1)
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)
Ocimum basilicum Thai

25% off

basil 'Thai'
£2.29 £1.72
approx 300 seeds
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
Ocimum basil Duo mixture

New

25% off

basil 'Duo mixture'
£2.99 £2.24
approx 500 seeds
Cucamelon

25% off

Cucamelon
£2.99 £2.24
approx 20 seeds
musk strawberry

25% off

musk strawberry
£3.49 £2.62
approx 50 seeds
sorrel red veined

25% off

sorrel red veined
£2.79 £2.09
approx 200 seeds
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)
White clover green manure

25% off

White clover green manure
£2.49 £1.87
30m² pack
Edible flower collection seed gift box

25% off

Edible flower collection seed gift box
£22.99 £17.24
gift set
The scented garden seed gift box

25% off

The scented garden seed gift box
£22.99 £17.24
gift set
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)
Johnsons mowable natures lawn seed

25% off

Johnsons mowable nature's lawn seed
£12.99 £9.74
425g pack | covers 20m²
Johnsons quick lawn seed

25% off

Johnsons quick lawn seed
From £11.24
425g pack | covers 20m²
10kg pack | covers 400m²
20kg pack | covers 800m²
Cosmos bipinnatus Seashells mixed

New

Cosmos bipinnatus 'Seashells mixed'
£2.99 £2.24
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
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
Alcea rosea Halo Apricot (Halo Series)

New

Alcea rosea 'Halo Apricot' (Halo Series)
£3.99 £2.99
available to order from autumn
Geranium Maderense

New

Geranium Maderense
From £2.62
available to order from autumn
Cardamine pratensis
Cardamine pratensis
From £2.99
available to order from spring 2027

Fast growth seeds 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.

Fast growth seeds help you choose seeds to match your patience, space and plans. Use them when you want to understand how quickly your planting might fill out or when you need to plan around a particular project.

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.