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Medium growing seeds

Shop medium growing seeds and grow with confidence from seed

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Used at RHS Chelsea Flower Show
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Showing Seeds Eventual size : Medium clear all
102 items
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)
Verbena officinalis var. grandiflora Bampton

25% off

Verbena officinalis var. grandiflora 'Bampton'
From £2.62
approx 50 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star 4.8 5 10 (10)
Aquilegia vulgaris var. stellata Blue Barlow (Barlow Series)

25% off

Aquilegia vulgaris var. stellata 'Blue Barlow' (Barlow Series)
From £2.62
approx 40 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
0 star 0.75 star 1 star 1 star 1 star 3.8 5 4 (4)
Aquilegia vulgaris var. stellata Black Barlow (Barlow Series)

25% off

Aquilegia vulgaris var. stellata 'Black Barlow'
From £2.99
approx 40 seeds
0 star 0.75 star 1 star 1 star 1 star 3.8 5 4 (4)
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)
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)
Antirrhinum majus Admiral White

25% off

Antirrhinum majus 'Admiral White'
£3.99 £2.99
approx 50 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
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
Panicum capillare Sparkling Fountain

25% off

Panicum capillare 'Sparkling Fountain'
£4.99 £3.74
approx 100 seeds
Zinnia elegans Envy

25% off

Zinnia elegans 'Envy'
£2.99 £2.24
approx 100 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Zinnia elegans Purple Prince

25% off

Zinnia elegans 'Purple Prince'
£2.89 £2.17
approx 100 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Zinnia elegans Queen Lime Red (Queen Series)

25% off

Zinnia elegans 'Queen Lime Red' (Queen Series)
£5.49 £4.12
approx 20 seeds
Centaurea cyanus Polka Dot Series

25% off

Centaurea cyanus 'Polka Dot Series'
£2.49 £1.87
approx 325 seeds
Craspedia globosa

New

25% off

Craspedia globosa
£2.99 £2.24
approx 200 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 Appleblossom

25% off

Antirrhinum majus 'Appleblossom'
£3.29 £2.47
approx 20 seeds
Antirrhinum majus Madame Butterfly Bronze White

25% off

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

25% off

Antirrhinum majus 'Madame Butterfly Cherry Bronze'
£3.49 £2.62
approx 25 seeds
Antirrhinum majus Madame Butterfly Red
Antirrhinum majus 'Madame Butterfly Red'
£3.49
approx 25 seeds
Antirrhinum majus Potomac Lavender

25% off

Antirrhinum majus 'Potomac Lavender'
£5.49 £4.12
approx 50 seeds
Aquilegia oxysepala
Aquilegia oxysepala
£3.99
approx 30 seeds
0 star 0 star 0 star 0 star 1 star (1)
Aquilegia vulgaris William Guiness

25% off

Aquilegia vulgaris 'William Guiness'
£3.99 £2.99
approx 40 seeds
Briza maxima

25% off

Briza maxima
£2.69 £2.02
approx 225 seeds
Calendula officinalis Orange King

25% off

Calendula officinalis 'Orange King'
£2.49 £1.87
approx 150 seeds
Callistephus chinensis King Size Apricot

25% off

Callistephus chinensis 'King Size Apricot'
£2.79 £2.09
approx 50 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
Cosmos bipinnatus Candy Stripe

25% off

Cosmos bipinnatus 'Candy Stripe'
£2.99 £2.24
approx 100 seeds
1 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
Galium verum

25% off

Galium verum
From £2.24
approx 250 seeds
1 star 1 star 1 star 1 star 1 star (1)
Geranium palmatum

New

25% off

Geranium palmatum
From £2.24
approx 60 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
Geranium pratense

New

25% off

Geranium pratense
£5.99 £4.49
approx 50 seeds
Heliotropium arborescens Marine

New

25% off

Heliotropium arborescens 'Marine'
£2.99 £2.24
approx 150 seeds
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)
Nicotiana Whisper Mixed F1

25% off

Nicotiana 'Whisper Mixed' F1
From £2.24
approx 70 seeds
0.75 star 1 star 1 star 1 star 1 star (13)
Nicotiana alata Grandiflora

25% off

Nicotiana alata 'Grandiflora'
£2.99 £2.24
approx 700 seeds
0.75 star 1 star 1 star 1 star 1 star (3)
Nicotiana langsdorffii Bronze Queen

25% off

Nicotiana langsdorffii 'Bronze Queen'
£3.29 £2.47
approx 40 seeds
Phlox drummondii Crème Brûlée

25% off

Phlox drummondii 'Crème Brûlée'
£2.49 £1.87
approx 200 seeds
1 star 1 star 1 star 1 star 1 star (1)
Rhodochiton atrosanguineus

25% off

Rhodochiton atrosanguineus
£3.99 £2.99
approx 10 seeds
Rudbeckia hirta Cherry Brandy

New

25% off

Rudbeckia hirta 'Cherry Brandy'
£3.49 £2.62
approx 25 seeds
Salvia viridis

New

25% off

Salvia viridis
£2.99 £2.24
approx 300 seeds
Scabiosa atropurpurea Beaujolais Bonnets

New

25% off

Scabiosa atropurpurea 'Beaujolais Bonnets'
£3.99 £2.99
approx 50 seeds
Scabiosa atropurpurea Black Knight

25% off

Scabiosa atropurpurea 'Black Knight'
£3.79 £2.84
approx 75 seeds
1 star 1 star 1 star 1 star 1 star (1)
Silene coronaria

25% off

Silene coronaria
From £1.87
approx 50 seeds
0 star 0.75 star 1 star 1 star 1 star (3)
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
Smyrnium perfoliatum

25% off

Smyrnium perfoliatum
From £2.99
approx 20 seeds
Stachys officinalis

25% off

Stachys officinalis
£3.29 £2.47
approx 150 seeds
Limonium sinuatum QIS Apricot

25% off

statice 'Apricot'
£4.79 £3.59
approx 100 seeds
Limonium sinuatum QIS White

25% off

statice 'White'
£3.49 £2.62
approx 100 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)
Zinnia Dahlia-Flowered Mixed

25% off

Zinnia 'Dahlia-Flowered Mixed'
£2.99 £2.24
approx 130 seeds
Zinnia elegans Zinderella Lilac

25% off

Zinnia elegans 'Zinderella Lilac'
£4.99 £3.74
approx 20 seeds
1 star 1 star 1 star 1 star 1 star (1)
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)
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)
Antirrhinum majus Admiral Crimson

25% off

Antirrhinum majus 'Admiral Crimson'
£4.49 £3.37
approx 50 seeds
Aster Duchess Mixed

25% off

Aster 'Duchess Mixed'
£2.49 £1.87
approx 200 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
Cosmos bipinnatus Casanova Pink (Casanova Series)

25% off

Cosmos bipinnatus 'Casanova Pink' (Casanova Series)
£3.29 £2.47
approx 30 seeds
1 star 1 star 1 star 1 star 1 star (1)
Dahlia Black Forest Ruby

New

Dahlia 'Black Forest Ruby'
£2.99
approx 50 seeds
Salvia viridis Pink Lagoon

25% off

Salvia viridis 'Pink Lagoon'
£2.49 £1.87
approx 300 seeds
Silene chalcedonica

New

25% off

Silene chalcedonica
£2.99 £2.24
approx 100 seeds
Tulipa sprengeri

New

25% off

Tulipa sprengeri
£4.99 £3.74
approx 25 seeds
Verbena bonariensis Vanity
Verbena bonariensis 'Vanity'
£3.99
approx 40 seeds
Nepeta cataria

25% off

catnip
From £2.24
approx 150 seeds
0.5 star 1 star 1 star 1 star 1 star (2)
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)
Mentha suaveolens

25% off

mint - apple mint
From £1.87
approx 300 seeds
9cm pot
2 + 1 FREE 9cm pots
Origanum vulgare

New

25% off

marjoram - wild marjoram
£2.49 £1.87
approx 200 seeds
1 star 1 star 1 star 1 star 1 star (2)
broccoli (purple sprouting) Claret F1

25% off

broccoli 'Claret' F1 (purple sprouting)
£2.49 £1.87
approx 25 seeds
chilli Carolina Reaper

25% off

chilli 'Carolina Reaper'
£3.99 £2.99
approx 5 seeds
chilli Jalapeño

25% off

chilli 'Jalapeño'
From £1.87
approx 15 seeds
1 star 1 star 1 star 1 star 1 star (1)
chilli Scotch Bonnet

25% off

chilli 'Scotch Bonnet'
From £2.09
approx 50 seeds
chilli Spangles

25% off

chilli 'Spangles'
£3.49 £2.62
approx 10 seeds
chilli Trinidad Perfume

25% off

chilli 'Trinidad Perfume'
£3.49 £2.62
approx 10 seeds
pea shoots

25% off

pea shoots
£3.29 £2.47
approx 400 seeds
Tomato Tumbling Tom Yellow

New

25% off

tomato (cherry) 'Tumbling Tom Yellow'
From £2.47
approx 10 seeds
1 star 1 star 1 star 1 star 1 star (2)
tomato Roma VF

25% off

tomato (plum) 'Roma'
£3.29 £2.47
approx 45 seeds
tomato San Marzano

25% off

tomato (plum) 'San Marzano'
£4.49 £3.37
approx 50 seeds
1 star 1 star 1 star 1 star 1 star (2)
tomato Shirley F1

25% off

tomato (standard) 'Shirley' F1
From £2.24
approx 15 seeds
watercress

25% off

watercress
£2.19 £1.64
approx 2000 seeds
Welsh onion

25% off

Welsh onion
From £2.24
approx 250 seeds
9cm pot
2 + 1 FREE 9cm pots
1 star 1 star 1 star 1 star 1 star (1)
Antirrhinum majus Madame Butterfly Pink
Antirrhinum majus 'Madame Butterfly Pink'
£4.49 £3.37
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)
Cosmos bipinnatus Apricot Lemonade

New

Cosmos bipinnatus 'Apricot Lemonade'
From £2.24
available to order from autumn
Cosmos bipinnatus Seashells mixed

New

Cosmos bipinnatus 'Seashells mixed'
£2.99 £2.24
available to order from autumn
Cosmos bipinnatus Xsenia
Cosmos bipinnatus 'Xsenia'
From £2.84
available to order from autumn
0 star 0 star 1 star 1 star 1 star (2)
Echinacea purpurea Magnus Superior

New

Echinacea purpurea 'Magnus Superior'
£3.49 £2.62
available to order from autumn
Rudbeckia triloba Prairie Glow

New

Rudbeckia triloba 'Prairie Glow'
£3.99 £2.99
available to order from autumn
Aquilegia vulgaris Pink Petticoat

New

Aquilegia vulgaris 'Pink Petticoat'
£3.99 £2.99
available to order from autumn
Aster chinensis Silver Blue

New

Aster chinensis 'Silver Blue'
£4.99 £3.74
available to order from autumn
Centaurea cyanus Classic Fantastic
Centaurea cyanus 'Classic Fantastic'
£2.99 £2.24
available to order from autumn
Cosmos bipinnatus Cupcakes Blush (Cupcakes Series)

New

Cosmos bipinnatus 'Cupcakes Blush' (Cupcakes Series)
£3.49 £2.62
available to order from autumn
Delphinium requienii

New

Delphinium requienii
£4.99 £3.74
available to order from autumn
Gladiolus Ruby (papilio hybrid)

New

Gladiolus 'Ruby' (papilio hybrid)
£3.99 £2.99
available to order from autumn
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Medium growing 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.

Medium growing seeds help you match plants to the space available. This is especially useful for containers, small beds, larger borders and areas where you want the finished planting to feel balanced.

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.