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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
Kitchen garden planting guidelines
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Showing Seeds Flowering month : September clear all
215 items
Malva moschata

25% off

Malva moschata
£2.99 £2.24
approx 50 seeds
Monarda didyma

New

25% off

Monarda didyma
£3.29 £2.47
approx 90 seeds
Tropaeolum Baby Rose

25% off

nasturtium - Tropaeolum 'Baby Rose'
£2.99 £2.24
approx 30 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Tropaeolum majus Alaska Series

25% off

nasturtium - Tropaeolum majus 'Alaska Series'
£2.49 £1.87
approx 40 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 3 (3)
Tropaeolum majus Cherry Rose Jewel

25% off

nasturtium - Tropaeolum majus 'Cherry Rose Jewel'
£3.99 £2.99
approx 30 seeds
Tropaeolum majus Empress of India

25% off

nasturtium - Tropaeolum majus 'Empress of India'
£3.39 £2.54
approx 35 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Tropaeolum majus Peach Melba

New

25% off

nasturtium - Tropaeolum majus 'Peach Melba'
£3.29 £2.47
approx 20 seeds
Tropaeolum minus Bloody Mary

25% off

nasturtium - Tropaeolum minus 'Bloody Mary'
£3.89 £2.92
approx 30 seeds
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 4.8 5 13 (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 4.7 5 3 (3)
Nicotiana langsdorffii Bronze Queen

25% off

Nicotiana langsdorffii 'Bronze Queen'
£3.29 £2.47
approx 40 seeds
Nicotiana mutabilis

25% off

Nicotiana mutabilis
£2.79 £2.09
approx 100 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 3 (3)
Nicotiana sylvestris

25% off

Nicotiana sylvestris
£2.79 £2.09
approx 450 seeds
0.5 star 1 star 1 star 1 star 1 star 4.6 5 5 (5)
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
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
Prunella vulgaris

25% off

Prunella vulgaris
From £2.24
approx 100 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
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)
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
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
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
Thunbergia alata Susie Orange with Black Eye (Susie Series)

25% off

Thunbergia alata 'Susie Orange with Black Eye' (Susie Series)
£2.89 £2.17
approx 30 seeds
0 star 0 star 1 star 1 star 1 star (2)
Thymus serpyllum

New

25% off

Thymus serpyllum
£2.99 £2.24
approx 200 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)
Bright and bold sweet pea collection

25% off

Bright & bold sweet pea collection
£9.97 £7.48
1 × collection
Linaria maroccana Licilia collection

25% off

Linaria maroccana 'Licilia collection'
£5.98 £4.48
2 packets of seeds
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
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
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 High Scent

25% off

Lathyrus odoratus 'High Scent'
£4.79 £3.59
approx 20 seeds
Lathyrus odoratus Princess Elizabeth
Lathyrus odoratus 'Princess Elizabeth'
From £2.99
approx 20 seeds
Lathyrus odoratus Spencer Waved Mixed

25% off

Lathyrus odoratus 'Spencer Waved Mixed'
From £2.99
approx 35 seeds
Lathyrus odoratus var. nanellus Pink Cupid

25% off

Lathyrus odoratus var. nanellus 'Pink Cupid'
From £2.02
approx 20 seeds
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
Tagetes patula Strawberry Blonde

New

25% off

Tagetes patula 'Strawberry Blonde'
From £2.84
approx 50 seeds
Sugared almonds cutting garden collection

25% off

Sugared almonds cutting garden collection
£28.62 £22.19
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)
Lepidium sativum

25% off

Lepidium sativum
£2.99 £2.24
approx 4500 seeds
Nepeta cataria

25% off

catnip
From £2.24
approx 150 seeds
0.5 star 1 star 1 star 1 star 1 star (2)
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)
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
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 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 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
Mimosa pudica

25% off

Mimosa pudica
£3.29 £2.47
approx 150 seeds
Ligusticopsis wallichiana

New

Ligusticopsis wallichiana
From £2.99
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star (9)
Cosmos sulphureus Bright Lights mixed
Cosmos sulphureus 'Bright Lights mixed'
£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 (5)
Tropaeolum majus Tip Top Apricot

New

nasturtium - Tropaeolum majus 'Tip Top Apricot'
£2.79 £2.09
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
Lavish and lush sweet pea collection
Lavish & lush sweet pea collection
£9.37 £7.03
available to order from autumn
Strongly-scented sweet pea collection
Strongly-scented sweet pea collection
£9.27 £6.80
available to order from autumn
Antirrhinum majus Madame Butterfly Pink
Antirrhinum majus 'Madame Butterfly Pink'
£4.49 £3.37
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
Lathyrus odoratus Daphne
Lathyrus odoratus 'Daphne'
From £2.47
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
Award-winning sweet pea collection
Award-winning sweet pea collection
£10.27 £7.48
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.