Up to 60% off spring bulb sale | Shop now

Free delivery on hampers, indoor plants & indoor pots over £50 | T&Cs apply

Shop

Information & Help

My account

crocus
Wish-list My wheelbarrow

Plants that Flower in September

The heat may be starting to fade, but that does not mean the colour should. Keep it fresh with asters, phlox and late-flowering anemones.

By type
Facing
How much sun
Soil type
Special conditions
Curated Collections
Flower colour
Evergreen / deciduous
Fragrance
Attractive to wildlife
Quick growing
Eventual size
Special features
Indoor plants by room
Bulb planting time
Bulb divisions
Bedding planting time
Chelsea plant of year
Sowing month inside or protected
Sowing month outside
Multibuy packs
Ready made borders
Planting combinations
Sale
Hardy
Leaf colour
Ground cover
Position
Shape
Soil moisture
Used at Chelsea
Kitchen garden planting guidelines
Sort by lowest price
All items
Showing Flowering month : September clear all
603 items
Chrysanthemum Eastern Star

New

Chrysanthemum 'Eastern Star'
£1.99 £1.59
approx 500 seeds available to order from spring
Ipomoea lobata

20% off

Ipomoea lobata
£2.25 £1.80
approx 20 seeds In stock (shipped within 2-3 working days)
Nicotiana alata Grandiflora

20% off

Nicotiana alata 'Grandiflora'
£2.39 £1.91
approx 700 seeds In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star 4.7 5 3
Nigella papillosa African Bride

20% off

Nigella papillosa 'African Bride'
£1.91 - £4.80
approx 100 seeds In stock (shipped within 2-3 working days)
3 × packets of approx 100 seeds In stock (shipped within 2-3 working days)
Papaver rhoeas Pandora

20% off

Papaver rhoeas 'Pandora'
£2.49 £1.99
approx 500 seeds In stock (shipped within 2-3 working days)
Centaurea cyanus Polka Dot Series
Centaurea cyanus 'Polka Dot Series'
£2.49 £1.99
approx 325 seeds available to order from spring
Centaurea cyanus White Ball

20% off

Centaurea cyanus 'White Ball'
£2.49 £1.99
approx 300 seeds In stock (shipped within 2-3 working days)
Nigella papillosa Delft Blue

20% off

Nigella papillosa 'Delft Blue'
£1.99 - £29.99
approx 500 seeds In stock (shipped within 2-3 working days)
40 + 20 FREE seedlings sold out
Visnaga daucoides

20% off

Visnaga daucoides (syn. Ammi visnaga)
£2.49 £1.99
approx 300 seeds In stock (shipped within 2-3 working days)
Phlox drummondii Crème Brûlée

20% off

Phlox drummondii 'Crème Brûlée'
£2.49 £1.99
approx 200 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Limnanthes douglasii

20% off

Limnanthes douglasii
£2.49 £1.99
approx 125 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Antirrhinum majus Night and Day

20% off

Antirrhinum majus 'Night and Day'
£2.49 £1.99
approx 500 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Casanova Pink (Casanova Series)

20% off

Cosmos bipinnatus 'Casanova Pink' (Casanova Series)
£2.49 £1.99
approx 30 seeds In stock (shipped within 2-3 working days)
Daucus carota

20% off

Daucus carota
£2.69 £2.15
approx 200 seeds In stock (shipped within 2-3 working days)
Lathyrus odoratus var. nanellus Pink Cupid

20% off

Lathyrus odoratus var. nanellus 'Pink Cupid'
£2.15 - £9.32
approx 20 seeds In stock (shipped within 2-3 working days)
9cm pot | 5 - 7 seedlings available to order from spring
2 + 1 FREE 9cm pots available to order from spring
Oenothera lindheimeri The Bride

20% off

Oenothera lindheimeri 'The Bride'
£2.79 £2.23
approx 25 seeds In stock (shipped within 2-3 working days)
Nicotiana sylvestris

20% off

Nicotiana sylvestris
£2.79 £2.23
approx 450 seeds In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star 4.6 5 5
Ammi majus

20% off

Ammi majus
£2.23 - £36.99
approx 500 seeds In stock (shipped within 2-3 working days)
3 × packets of seeds In stock (shipped within 2-3 working days)
40 + 20 FREE seedlings sold out
0.5 star 1 star 1 star 1 star 1 star 4.5 5 4
Trifolium repens

20% off

Trifolium repens
£2.79 £2.23
approx 750 seeds In stock (shipped within 2-3 working days)
Nicotiana mutabilis

20% off

Nicotiana mutabilis
£2.79 £2.23
approx 100 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 3
Cosmos bipinnatus Purity

20% off

Cosmos bipinnatus 'Purity'
£2.31 - £39.99
approx 100 seeds In stock (shipped within 2-3 working days)
5 × seedlings | jumbo sold out
10 + 5 FREE seedlings | jumbo sold out
40 + 20 FREE seedlings sold out
0.25 star 1 star 1 star 1 star 1 star
Lathyrus odoratus Gwendoline
Lathyrus odoratus 'Gwendoline'
£2.89 £2.31
approx 20 seeds available to order from spring
1 star 1 star 1 star 1 star 1 star
Centaurea cyanus Classic Magic

20% off

Centaurea cyanus 'Classic Magic'
£2.89 £2.31
approx 100 seeds In stock (shipped within 2-3 working days)
Orlaya grandiflora

20% off

Orlaya grandiflora
£2.31 - £6.99
approx 25 seeds In stock (shipped within 2-3 working days)
9cm pot available to order from spring
0 star 1 star 1 star 1 star 1 star
Cosmos bipinnatus Apricota

20% off

Cosmos bipinnatus 'Apricota'
£2.39 - £19.98
approx 50 seeds In stock (shipped within 2-3 working days)
9cm pot available to order from spring
5 × seedlings | jumbo sold out
2 + 1 FREE 9cm pots available to order from spring
10 + 5 FREE seedlings | jumbo sold out
0 star 0.25 star 1 star 1 star 1 star
Nigella papillosa Midnight
Nigella papillosa 'Midnight'
£2.99 £2.39
approx 500 seeds available to order from spring
Centaurea cyanus Classic Fantastic

20% off

Centaurea cyanus 'Classic Fantastic'
£2.99 £2.39
approx 100 seeds In stock (shipped within 2-3 working days)
Oenothera versicolor Sunset Boulevard

New

20% off

Oenothera versicolor 'Sunset Boulevard'
£2.99 £2.39
approx 100 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Apricot Lemonade

New

20% off

Cosmos bipinnatus 'Apricot Lemonade'
£2.99 £2.39
approx 40 seeds In stock (shipped within 2-3 working days)
Centaurea nigra

20% off

Centaurea nigra
£2.39 - £34.99
approx 20 seeds In stock (shipped within 2-3 working days)
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Anthemis arvensis

20% off

Anthemis arvensis
£2.99 £2.39
approx 100 seeds In stock (shipped within 2-3 working days)
Lepidium sativum

20% off

Lepidium sativum
£2.99 £2.39
approx 4500 seeds In stock (shipped within 2-3 working days)
Lathyrus odoratus Blue Velvet

New

20% off

Lathyrus odoratus 'Blue Velvet'
£2.39 - £15.98
approx 20 seeds In stock (shipped within 2-3 working days)
9cm pot | 5 - 7 seedlings available to order from spring
2 + 1 FREE 9cm pots available to order from spring
Cosmos bipinnatus Candy Stripe

20% off

Cosmos bipinnatus 'Candy Stripe'
£2.99 £2.39
approx 100 seeds In stock (shipped within 2-3 working days)
Nepeta cataria

20% off

catnip / Nepeta cataria
£2.39 - £15.98
approx 150 seeds In stock (shipped within 2-3 working days)
9cm pot In stock (shipped within 2-3 working days)
2 + 1 FREE 9cm pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Achillea millefolium

20% off

Achillea millefolium
£2.39 - £34.99
approx 400 seeds In stock (shipped within 2-3 working days)
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
Nicotiana Whisper Mixed F1

20% off

Nicotiana 'Whisper Mixed' F1
£2.39 - £36.99
approx 70 seeds In stock (shipped within 2-3 working days)
40 + 20 FREE seedlings sold out
1 star 1 star 1 star 1 star 1 star
Antirrhinum majus Appleblossom

20% off

Antirrhinum majus 'Appleblossom'
£2.39 - £5.60
approx 20 seeds In stock (shipped within 2-3 working days)
3 × packets of seeds In stock (shipped within 2-3 working days)
Eupatorium cannabinum

20% off

Eupatorium cannabinum
£2.39 - £49.99
approx 200 seeds In stock (shipped within 2-3 working days)
1 litre aquatic pot available to order from summer
3 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
5 litre aquatic pot available to order from summer
Papaver rhoeas Amazing Grey

20% off

Papaver rhoeas 'Amazing Grey'
£2.39 - £19.99
approx 250 seeds In stock (shipped within 2-3 working days)
9cm pot available to order from spring
3 × 9cm pots available to order from spring
0.5 star 1 star 1 star 1 star 1 star
Lathyrus odoratus Almost Black
Lathyrus odoratus 'Almost Black'
£2.99 £2.39
approx 20 seeds available to order from spring
Lathyrus odoratus Dorothy Eckford
Lathyrus odoratus 'Dorothy Eckford'
£2.99 £2.39
approx 20 seeds available to order from spring
Consolida regalis QIS Rose

20% off

Consolida regalis 'QIS Rose'
£2.99 £2.39
approx 200 seeds In stock (shipped within 2-3 working days)
Lathyrus odoratus Jilly
Lathyrus odoratus 'Jilly'
£2.99 £2.39
approx 20 seeds available to order from spring
Prunella vulgaris

20% off

Prunella vulgaris
£2.39 - £34.99
approx 100 seeds In stock (shipped within 2-3 working days)
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
Borago officinalis Alba

20% off

borage - white borage
£3.19 £2.55
approx 50 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Stachys officinalis
Stachys officinalis
£3.29 £2.63
approx 150 seeds sold out
Agrostemma githago

20% off

Agrostemma githago
£3.29 £2.63
approx 75 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Fizzy White (Fizzy Series)

20% off

Cosmos bipinnatus 'Fizzy White' (Fizzy Series)
£3.29 £2.63
approx 100 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Fizzy Rose Picotee (Fizzy Series)

20% off

Cosmos bipinnatus 'Fizzy Rose Picotee' (Fizzy Series)
£2.63 - £19.98
approx 100 seeds In stock (shipped within 2-3 working days)
9cm pot available to order from spring
5 × seedlings | jumbo sold out
2 + 1 FREE 9cm pots available to order from spring
10 + 5 FREE seedlings | jumbo sold out
Visnaga daucoides Green Mist

20% off

Visnaga daucoides 'Green Mist'
£3.29 £2.63
approx 200 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Cosmos bipinnatus Double Click Snow Puff (Double Click Series)

20% off

Cosmos bipinnatus 'Double Click Snow Puff' (Double Click Series)
£3.29 £2.63
approx 60 seeds In stock (shipped within 2-3 working days)
Lathyrus odoratus Painted Lady

20% off

Lathyrus odoratus 'Painted Lady'
£2.79 - £13.98
approx 20 seeds In stock (shipped within 2-3 working days)
9cm pot | 5 - 7 seedlings available to order from spring
2 + 1 FREE 9cm pots available to order from spring
Antirrhinum majus Madame Butterfly Bronze White

20% off

Antirrhinum majus 'Madame Butterfly Bronze White'
£3.49 £2.79
approx 25 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Cosimo Collarette (Cosimo Series)

20% off

Cosmos bipinnatus 'Cosimo Collarette' (Cosimo Series)
£2.79 - £19.98
approx 30 seeds In stock (shipped within 2-3 working days)
9cm pot available to order from spring
5 × seedlings | jumbo sold out
2 + 1 FREE 9cm pots available to order from spring
10 + 5 FREE seedlings | jumbo sold out
Verbena hastata Alba

New

20% off

Verbena hastata 'Alba'
£3.49 £2.79
approx 100 seeds In stock (shipped within 2-3 working days)
Lathyrus odoratus Royal Wedding
Lathyrus odoratus 'Royal Wedding'
£3.49 £2.79
approx 20 seeds available to order from spring
0 star 1 star 1 star 1 star 1 star
Cosmos bipinnatus Hummingbird Lilac

20% off

Cosmos bipinnatus 'Hummingbird Lilac'
£3.49 £2.79
approx 40 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Cupcakes Blush (Cupcakes Series)

New

20% off

Cosmos bipinnatus 'Cupcakes Blush' (Cupcakes Series)
£3.49 £2.79
approx 40 seeds In stock (shipped within 2-3 working days)
Phlox drummondii Sugar Stars

20% off

Phlox drummondii 'Sugar Stars'
£3.49 £2.79
approx 300 seeds In stock (shipped within 2-3 working days)
Phlox drummondii Cherry Caramel

20% off

Phlox drummondii 'Cherry Caramel'
£3.49 £2.79
approx 200 seeds In stock (shipped within 2-3 working days)
Linaria purpurea Springside White

New

20% off

Linaria purpurea 'Springside White'
£3.49 £2.79
approx 40 seeds In stock (shipped within 2-3 working days)
Lathyrus odoratus Nimbus
Lathyrus odoratus 'Nimbus'
£3.69 £2.95
approx 20 seeds available to order from spring
Cobaea scandens f. alba

20% off

Cobaea scandens f.alba
£3.69 £2.95
approx 15 seeds In stock (shipped within 2-3 working days)
0 star 0 star 0.75 star 1 star 1 star
Cosmos bipinnatus Sensation Picotee (Sensation Series)

20% off

Cosmos bipinnatus 'Sensation Picotee' (Sensation Series)
£3.79 £3.03
approx 75 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Cosmos bipinnatus Rubinato

20% off

Cosmos bipinnatus 'Rubinato'
£3.79 £3.03
approx 30 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Xsenia

20% off

Cosmos bipinnatus 'Xsenia'
£3.03 - £21.98
approx 30 seeds In stock (shipped within 2-3 working days)
9cm pot available to order from spring
5 × seedlings | jumbo sold out
2 + 1 FREE 9cm pots available to order from spring
10 + 5 FREE seedlings | jumbo sold out
0 star 0 star 0 star 0 star 1 star
Lathyrus odoratus Lisa Marie
Lathyrus odoratus 'Lisa Marie'
£3.89 £3.11
approx 20 seeds available to order from spring
Cosmos bipinnatus Velouette

20% off

Cosmos bipinnatus 'Velouette'
£3.99 £3.19
approx 30 seeds In stock (shipped within 2-3 working days)
Lathyrus odoratus White Frills
Lathyrus odoratus 'White Frills'
£3.99 £3.19
approx 20 seeds available to order from spring
Matthiola incana Appleblossom

20% off

Matthiola incana 'Appleblossom'
£3.99 £3.19
approx 100 seeds In stock (shipped within 2-3 working days)
Cornfield seed collection

20% off

Cornfield seed collection
£3.99 £3.19
1g packet | seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Lathyrus odoratus Spencer Waved Mixed

20% off

Lathyrus odoratus 'Spencer Waved Mixed'
£3.19 - £13.98
approx 35 seeds In stock (shipped within 2-3 working days)
9cm pot | 5 - 7 seedlings available to order from spring
2 + 1 FREE 9cm pots available to order from spring
Antirrhinum majus Admiral White

20% off

Antirrhinum majus 'Admiral White'
£3.19 - £8.00
approx 50 seeds In stock (shipped within 2-3 working days)
3 × packets of seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Matthiola incana Avalanche

20% off

Matthiola incana 'Avalanche'
£3.99 £3.19
approx 100 seeds In stock (shipped within 2-3 working days)
Lindernia grandiflora

50% off

Lindernia grandiflora
£3.50 - £15.00
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
Begonia (Pendula Group) White Giant

10% off

Begonia (Pendula Group) 'White Giant'
£3.59 - £8.99
1 × tuber Delivered by early February
3 × tubers Delivered by early February
0.5 star 1 star 1 star 1 star 1 star
Lathyrus odoratus High Scent

20% off

Lathyrus odoratus 'High Scent'
£4.79 £3.83
approx 20 seeds In stock (shipped within 2-3 working days)
Aster chinensis Silver Blue

New

Aster chinensis 'Silver Blue'
£4.99 £3.99
approx 25 seeds available to order from spring
Poppy field collection of annuals

20% off

Poppy field collection of annuals
£4.99 £3.99
1g packet | seeds In stock (shipped within 2-3 working days)
Origanum vulgare Variegatum

50% off

oregano variegated
£4.00 - £7.99
9cm pot In stock (shipped within 2-3 working days)
2 + 1 FREE 9cm pots In stock (shipped within 2-3 working days)
Begonia Mother's Day

10% off

Begonia 'Mother's Day'
£4.49 - £8.99
1 × tuber Delivered by early February
3 × tubers Delivered by early February
0.75 star 1 star 1 star 1 star 1 star
Simple white cutting garden collection

20% off

Simple white cutting garden collection
£5.68 £4.54
1 × collection In stock (shipped within 2-3 working days)
Dahlia Evanah

10% off

Dahlia 'Evanah'
£5.21 - £11.48
1 × tuber Delivered by early February
3 × tubers Delivered by early February
Dahlia Cafe au Lait Twist

New

10% off

Dahlia 'Cafe au Lait Twist'
£5.39 - £12.38
1 × tuber Delivered by early February
3 × tubers Delivered by early February
Dahlia Offshore Dream

10% off

Dahlia 'Offshore Dream'
£5.39 - £13.50
1 × tuber Delivered by early February
3 × tubers Delivered by early February
1 star 1 star 1 star 1 star 1 star
Dahlia Petras Wedding

10% off

Dahlia 'Petras Wedding'
£5.39 - £13.50
1 × tuber Delivered by early February
3 × tubers Delivered by early February
Dahlia Night Butterfly

10% off

Dahlia 'Night Butterfly'
£5.39 - £14.18
1 × tuber Delivered by early February
3 × tubers Delivered by early February
Dahlia Karma Prospero (PBR)

10% off

Dahlia 'Karma Prospero' (PBR)
£5.39 - £13.50
1 × tuber Delivered by early February
3 × tubers Delivered by early February
0.5 star 1 star 1 star 1 star 1 star
Dahlia Salmon Runner

10% off

Dahlia 'Salmon Runner'
£5.39 - £13.50
1 × tuber Delivered by early February
3 × tubers Delivered by early February
Dahlia Rhubarb and Custard (Sweet Candy Series)

10% off

Dahlia 'Rhubarb and Custard' (Sweet Candy Series)
£5.39 - £35.98
1 × tuber Delivered by early February
3 × tubers Delivered by early February
2 litre pot available to order from spring
2 + 1 FREE 3 litre pots available to order from spring
Dahlia Fantastico

10% off

Dahlia 'Fantastico'
£5.39 - £13.50
1 × tuber Delivered by early February
3 × tubers Delivered by early February
Dahlia Honka Fragile

10% off

Dahlia 'Honka Fragile'
£5.39 - £35.98
1 × tuber Delivered by early February
3 × tubers Delivered by early February
3 litre pot available to order from spring
2 + 1 FREE 3 litre pots available to order from spring
0.5 star 1 star 1 star 1 star 1 star
Dahlia Tartan

10% off

Dahlia 'Tartan'
£5.39 - £35.98
1 × tuber Delivered by early February
3 × tubers Delivered by early February
3 litre pot available to order from spring
2 + 1 FREE 3 litre pots available to order from spring
1 star 1 star 1 star 1 star 1 star
Galtonia candicans

10% off

Galtonia candicans
£5.39 - £13.50
3 × bulbs Delivered by early February
9 × bulbs Delivered by early February
0.5 star 1 star 1 star 1 star 1 star
Dahlia Bishop of Dover

10% off

Dahlia 'Bishop of Dover'
£5.39 - £35.98
1 × tuber Delivered by early February
3 × tubers Delivered by early February
3 litre pot available to order from spring
2 + 1 FREE 3 litre pots available to order from spring
0.5 star 1 star 1 star 1 star 1 star
Dahlia Fabula

10% off

Dahlia 'Fabula'
£5.39 - £13.50
1 × tuber Delivered by early February
3 × tubers Delivered by early February
Dahlia Mount Tacoma

10% off

Dahlia 'Mount Tacoma'
£5.39 - £13.50
1 × tuber Delivered by early February
3 × tubers Delivered by early February
1 star 1 star 1 star 1 star 1 star
Dahlia Copperboy

New

10% off

Dahlia 'Copperboy'
£5.39 - £15.29
1 × tuber Delivered by early February
3 × tubers Delivered by early February
Dahlia Boom Boom White

10% off

Dahlia 'Boom Boom White'
£5.39 - £13.50
1 × tuber Delivered by early February
3 × tubers Delivered by early February
0.5 star 1 star 1 star 1 star 1 star
< Prev 1 2 3 ... 7 Next >

Copyright © Crocus.co.uk Ltd 2025. All rights reserved.

Contact us
Terms
Privacy
Cookies

© Crocus.co.uk Ltd 2025. All rights reserved.