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September flowering seeds

Shop September flowering seeds and grow with confidence from seed

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Used at RHS Chelsea Flower Show
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Showing Seeds Flowering month : September clear all
207 items
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
Oenothera lindheimeri The Bride

25% off

Oenothera lindheimeri 'The Bride'
£2.79 £2.09
approx 25 seeds
Oenothera versicolor Sunset Boulevard

New

25% off

Oenothera versicolor 'Sunset Boulevard'
£2.99 £2.24
approx 100 seeds
Persicaria orientalis Cerise Pearls

25% off

Persicaria orientalis 'Cerise Pearls'
£3.99 £2.99
approx 100 seeds
Phlox drummondii Cherry Caramel

25% off

Phlox drummondii 'Cherry Caramel'
£3.49 £2.62
approx 200 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
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 5.0 5 1 (1)
Phlox drummondii Sugar Stars

25% off

Phlox drummondii 'Sugar Stars'
£3.49 £2.62
approx 300 seeds
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
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 3.7 5 3 (3)
Silene vulgaris

New

25% off

Silene vulgaris
£2.99 £2.24
approx 200 seeds
Stachys officinalis

25% off

Stachys officinalis
£3.29 £2.47
approx 150 seeds
Summer glory collection

25% off

Summer glory collection
£7.99 £5.99
2g packet | seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Tagetes patula Burning Embers

25% off

Tagetes patula 'Burning Embers'
£2.39 £1.79
approx 50 seeds
Tagetes tenuifolia Golden Gem

25% off

Tagetes tenuifolia 'Golden Gem'
£2.99 £2.24
approx 225 seeds
Trifolium repens

25% off

Trifolium repens
£2.79 £2.09
approx 750 seeds
Verbascum Southern Charm

New

25% off

Verbascum 'Southern Charm'
£4.99 £3.74
approx 10 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)
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)
Linaria maroccana Licilia collection

25% off

Linaria maroccana 'Licilia collection'
£5.98 £4.48
2 packets of seeds
Ruffling skies cutting garden collection

25% off

Ruffling skies cutting garden collection
£15.05 £11.29
1 × collection
Summer pudding cutting garden collection

25% off

Summer pudding cutting garden collection
£28.53 £21.40
1 × collection
Linaria purpurea Canon Went

25% off

Linaria purpurea 'Canon Went'
From £2.24
9cm pot
3 × 9cm pots
6 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star (2)
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)
Agrostemma githago

25% off

Agrostemma githago
£3.29 £2.47
approx 75 seeds
Aster Duchess Mixed

25% off

Aster 'Duchess Mixed'
£2.49 £1.87
approx 200 seeds
Bellis perennis

New

25% off

Bellis perennis - common daisy
£3.99 £2.99
approx 750 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
Consolida regalis Fancy Purple Picotee

25% off

Consolida regalis 'Fancy Purple Picotee'
£3.79 £2.84
approx 150 seeds
Consolida regalis QIS Dark Blue

25% off

Consolida regalis 'QIS Dark Blue'
£2.99 £2.24
approx 200 seeds
Consolida regalis QIS Rose

25% off

Consolida regalis 'QIS Rose'
£2.99 £2.24
approx 200 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)
Cosmos bipinnatus Double Click Cranberries (Double Click Series)

25% off

Cosmos bipinnatus 'Double Click Cranberries' (Double Click Series)
£5.99 £4.49
approx 60 seeds
Cosmos bipinnatus Velouette
Cosmos bipinnatus 'Velouette'
£3.99
approx 30 seeds
Helianthus annuus Desire Red
Helianthus annuus 'Desire Red'
£3.99
approx 10 seeds
Helianthus debilis Soluna Bronze

25% off

Helianthus debilis 'Soluna Bronze'
£3.49 £2.62
approx 30 seeds
Lathyrus odoratus var. nanellus Pink Cupid

25% off

Lathyrus odoratus var. nanellus 'Pink Cupid'
From £2.02
approx 20 seeds
Limnanthes douglasii

25% off

Limnanthes douglasii
£2.49 £1.87
approx 125 seeds
1 star 1 star 1 star 1 star 1 star (1)
Linaria purpurea

New

25% off

Linaria purpurea
£2.99 £2.24
approx 100 seeds
Linaria purpurea Springside White

New

25% off

Linaria purpurea 'Springside White'
£3.49 £2.62
approx 40 seeds
Matthiola incana Anytime Red (Anytime Series)

25% off

Matthiola incana 'Anytime Red' (Anytime Series)
£3.49 £2.62
approx 100 seeds
Matthiola incana Rainbow Mixture
Matthiola incana 'Rainbow Mixture'
£4.49
approx 100 seeds
Tagetes patula Strawberry Blonde

New

25% off

Tagetes patula 'Strawberry Blonde'
From £2.84
approx 50 seeds
Verbena bonariensis Vanity
Verbena bonariensis 'Vanity'
£3.99
approx 40 seeds
Blue and white cutting garden collection

25% off

Blue & white cutting garden collection
£11.36 £8.52
1 × collection
Cherry creme brûlée cutting garden collection

25% off

Cherry créme brûlée cutting garden collection
£25.33 £19.00
1 × collection
Simple white cutting garden collection

25% off

Simple white cutting garden collection
£5.88 £4.41
1 × collection
Sugared almonds cutting garden collection

25% off

Sugared almonds cutting garden collection
£28.62 £22.19
1 × collection
Summer nights cutting garden collection

25% off

Summer nights cutting garden collection
£28.43 £21.32
1 × collection
Borago officinalis Alba

25% off

borage - white borage
£3.19 £2.39
approx 50 seeds
1 star 1 star 1 star 1 star 1 star (2)
Lepidium sativum

25% off

Lepidium sativum
£2.99 £2.24
approx 4500 seeds
bean (climbing French) Sunshine

25% off

bean (climbing French) 'Sunshine'
£3.49 £2.62
approx 50 seeds
1 star 1 star 1 star 1 star 1 star (1)
broccoli raab Cima di Rapa 60

25% off

broccoli raab 'Cima di Rapa 60'
£3.29 £2.47
approx 4800 seeds
chilli Basket of Fire F1

25% off

chilli 'Basket of Fire' F1
£3.99 £2.99
approx 10 seeds
chilli Carolina Reaper

25% off

chilli 'Carolina Reaper'
£3.99 £2.99
approx 5 seeds
courgette Gold Rush

25% off

courgette 'Gold Rush' F1
£2.99 £2.24
approx 10 seeds
Tropaeolum majus Blue Pepe

25% off

nasturtium 'Blue Pepe'
£2.89 £2.17
approx 20 seeds
Heritage sweet pea seed gift box

25% off

Heritage sweet pea seed gift box
£22.99 £17.24
gift set
Seedballs artists meadow seedbombs

25% off

Seedballs artists meadow
From £5.99
20 seedballs in gift tin
250 seedballs gardener's bulk box
500 seedballs gardener's bulk box
0 star 0 star 0 star 0 star 1 star (1)
Seedballs bee matchboxes seedbombs

25% off

Seedballs bee matchboxes
£12.99 £9.74
set of 3 matchboxes
Seedballs blue meadow seedbombs

25% off

Seedballs blue meadow
From £5.99
20 seedballs in gift tin
250 seedballs gardener's bulk box
500 seedballs gardener's bulk box
Seedballs cornflower seedbombs

25% off

Seedballs cornflower
From £5.24
20 seedballs in gift tube
250 seedballs gardener's bulk box
500 seedballs gardener's bulk box
0 star 1 star 1 star 1 star 1 star (1)
Seedballs for bees seedbombs

25% off

Seedballs for bees
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
Seedballs for butterflies seedbombs

25% off

Seedballs for butterflies
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
Seedballs hedgehog mix seedbombs

25% off

Seedballs hedgehog mix
From £5.99
20 seedballs in gift tin
250 seedballs gardener's bulk box
500 seedballs gardener's bulk box
Seedballs make your own native flowers seedbombs kit

25% off

Seedballs make your own native flowers seedbombs kit
£12.99 £9.74
makes 50 - 60 seedballs
Seedballs native annual wildflowers seedbombs

25% off

Seedballs native annual wildflowers
From £11.99
100 seedballs in gift pouch
250 seedballs gardener's bulk box
500 seedballs gardener's bulk box
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)
Seedballs native wildflowers for shade -seedbombs

25% off

Seedballs native wildflowers for shade
From £11.99
100 seedballs in gift pouch
250 seedballs gardener's bulk box
500 seedballs gardener's bulk box
Seedballs native wildflowers for wildlife - seedbombs

25% off

Seedballs native wildflowers for wildlife
From £11.99
100 seedballs in gift pouch
250 seedballs gardener's bulk box
500 seedballs gardener's bulk box
Seedballs ox-eye daisy seedbombs

25% off

Seedballs ox-eye daisy
From £5.24
20 seedballs in gift tube
250 seedballs gardener's bulk box
500 seedballs gardener's bulk box
Seedballs poppies seedbombs

25% off

Crocus collection
Seedballs poppies
From £5.24
20 seedballs in gift tube
100 seedballs in gift pouch
250 seedballs gardener's bulk box
500 seedballs gardener's bulk box
Seedballs red campion seedbombs

25% off

Seedballs red campion
From £5.24
20 seedballs in gift tube
250 seedballs gardener's bulk box
Seedballs wild rocket salad seedbombs

25% off

Seedballs wild rocket salad
£6.99 £5.24
20 seedballs in gift tube
Seedballs wildlife collection

25% off

Seedballs wildlife collection
£16.99 £12.74
set of 6
Shake and sow Cottage gardens

25% off

Shake & sow - Cottage gardens
£7.99 £5.99
20g of seed
Shake and sow Flowers for insects

25% off

Shake & sow - Flowers for insects
£7.99 £5.99
20g of seed
Shake and sow Flowers for wildlife - cool mix

25% off

Shake & sow - Flowers for wildlife - cool mix
£7.99 £5.99
20g of seed
Empathy mini wildflower meadow with rootgrow

25% off

Mini wildflower meadow with rootgrow
From £5.99
0.5 litres | covers 3m²
1.2 litres | covers 10m²
1 star 1 star 1 star 1 star 1 star (3)
Mimosa pudica

25% off

Mimosa pudica
£3.29 £2.47
approx 150 seeds
Cosmos sulphureus Bright Lights mixed
Cosmos sulphureus 'Bright Lights mixed'
£2.99 £2.24
available to order from autumn
Tropaeolum majus Tip Top Apricot

New

nasturtium - Tropaeolum majus 'Tip Top Apricot'
£2.79 £2.09
available to order from autumn
Nicotiana × sanderae Perfume Deep Purple (Perfume Series)

New

Nicotiana × sanderae 'Perfume Deep Purple' (Perfume Series)
£2.99 £2.24
available to order from autumn
Cobaea scandens
Cobaea scandens
£3.19 £2.39
available to order from autumn
0 star 0 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
Matthiola longipetala subsp. bicornis

New

Matthiola longipetala subsp. bicornis
£2.99 £2.24
available to order from autumn
Tropaeolum majus Milkmaid
nasturtium - Tropaeolum majus 'Milkmaid'
£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
Tropaeolum majus Purple Emperor

New

nasturtium - Tropaeolum majus 'Purple Emperor'
£3.29 £2.47
sold out
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
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September flowering 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.

September flowering seeds are useful for planning colour at the right point in the season. Add them to borders, pots or cutting patches to help keep your garden looking planned rather than accidental.

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.