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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
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Evergreen / deciduous
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Indoor plants by room
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Chelsea plant of year
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Used at Chelsea
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Available items
Showing Flowering month : September clear all
891 items
Cornfield seed collection
Cornfield seed collection
£3.99
1g packet | seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 2
Cosmos atrosanguineus

20% off

Cosmos atrosanguineus
£7.19 - £27.99
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)
0 star 1 star 1 star 1 star 1 star 4.0 5 7
Cosmos atrosanguineus Chocamocha ('Thomocha') (PBR)

20% off

Cosmos atrosanguineus Chocamocha ('Thomocha') (PBR)
£7.99 - £27.99
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)
0.75 star 1 star 1 star 1 star 1 star 4.8 5 9
Cosmos bipinnatus Apricota
Cosmos bipinnatus 'Apricota'
£2.99 - £19.98
approx 50 seeds In stock (shipped within 2-3 working days)
9cm pot available to order from autumn
5 × seedlings | jumbo sold out
2 + 1 FREE 9cm pots available to order from autumn
10 + 5 FREE seedlings | jumbo sold out
0 star 0.25 star 1 star 1 star 1 star 3.3 5 3
Cosmos bipinnatus Candy Stripe
Cosmos bipinnatus 'Candy Stripe'
£2.99
approx 100 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Casanova Pink (Casanova Series)
Cosmos bipinnatus 'Casanova Pink' (Casanova Series)
£2.49
approx 30 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Cosimo Collarette (Cosimo Series)
Cosmos bipinnatus 'Cosimo Collarette' (Cosimo Series)
£3.49 - £19.98
approx 30 seeds In stock (shipped within 2-3 working days)
9cm pot available to order from autumn
5 × seedlings | jumbo sold out
2 + 1 FREE 9cm pots available to order from autumn
10 + 5 FREE seedlings | jumbo sold out
Cosmos bipinnatus Dazzler
Cosmos bipinnatus 'Dazzler'
£2.25
approx 100 seeds In stock (shipped within 2-3 working days)
0.25 star 1 star 1 star 1 star 1 star 4.3 5 3
Cosmos bipinnatus Double Click Cranberries (Double Click Series)
Cosmos bipinnatus 'Double Click Cranberries' (Double Click Series)
£4.79
approx 60 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Double Click Rose Bonbon (Double Click Series)
Cosmos bipinnatus 'Double Click Rose Bonbon' (Double Click Series)
£4.99
approx 75 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Cosmos bipinnatus Double Click Snow Puff (Double Click Series)
Cosmos bipinnatus 'Double Click Snow Puff' (Double Click Series)
£3.29
approx 60 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Fizzy Rose Picotee (Fizzy Series)
Cosmos bipinnatus 'Fizzy Rose Picotee' (Fizzy Series)
£3.29 - £19.98
approx 100 seeds In stock (shipped within 2-3 working days)
9cm pot available to order from autumn
5 × seedlings | jumbo sold out
2 + 1 FREE 9cm pots available to order from autumn
10 + 5 FREE seedlings | jumbo sold out
Cosmos bipinnatus Fizzy White (Fizzy Series)
Cosmos bipinnatus 'Fizzy White' (Fizzy Series)
£3.29
approx 100 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Hummingbird Lilac
Cosmos bipinnatus 'Hummingbird Lilac'
£3.49
approx 40 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Purity
Cosmos bipinnatus 'Purity'
£2.89 - £36.99
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 4.4 5 14
Cosmos bipinnatus Rubenza
Cosmos bipinnatus 'Rubenza'
£2.49
approx 30 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 Rubinato
Cosmos bipinnatus 'Rubinato'
£3.79
approx 30 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Sensation Picotee (Sensation Series)
Cosmos bipinnatus 'Sensation Picotee' (Sensation Series)
£3.79
approx 75 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 2
Cosmos bipinnatus Sensation Pinkie (Sensation Series)
Cosmos bipinnatus 'Sensation Pinkie' (Sensation Series)
£2.99
approx 100 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Velouette
Cosmos bipinnatus 'Velouette'
£3.99
approx 30 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Xanthos
Cosmos bipinnatus 'Xanthos'
£4.29
approx 30 seeds In stock (shipped within 2-3 working days)
0 star 0 star 1 star 1 star 1 star
Cosmos bipinnatus Xsenia
Cosmos bipinnatus 'Xsenia'
£3.79 - £21.98
approx 30 seeds In stock (shipped within 2-3 working days)
9cm pot available to order from autumn
5 × seedlings | jumbo sold out
2 + 1 FREE 9cm pots available to order from autumn
10 + 5 FREE seedlings | jumbo sold out
0 star 0 star 0 star 0 star 1 star
Cosmos sulphureus Bright Lights mixed
Cosmos sulphureus 'Bright Lights mixed'
£2.99
approx 100 seeds In stock (shipped within 2-3 working days)
Cotinus coggygria Golden Spirit ('Ancot') (PBR)

20% off

Cotinus coggygria Golden Spirit ('Ancot') (PBR)
£28.99 £23.19
2 litre pot In stock (shipped within 2-3 working days)
0.25 star 1 star 1 star 1 star 1 star
Cottage garden collection
Cottage garden collection
£7.99
2g packet | seeds In stock (shipped within 2-3 working days)
Cotula coronopifolia
Cotula coronopifolia
£21.99 - £39.99
1 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 9cm pots Delivery by trusted supplier within 1 week
3 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
courgette Gold Rush
courgette 'Gold Rush' F1
£3.49
approx 10 seeds In stock (shipped within 2-3 working days)
Crocosmia Hellfire
Crocosmia 'Hellfire'
£11.99 - £27.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Crocosmia Lucifer
Crocosmia 'Lucifer'
£5.99 - £39.99
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)
10 × corms available to order from winter
20 + 10 FREE corms available to order from winter
2 litre pot available to order from autumn
2 + 1 FREE 2 litre pots available to order from autumn
0.5 star 1 star 1 star 1 star 1 star
Crocosmia Orange Pekoe ('Pek Or') (PBR)
Crocosmia Orange Pekoe ('Pek Or') (PBR)
£11.99 - £27.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Crocosmia × crocosmiiflora Carmin Brillant

20% off

Crocosmia × crocosmiiflora 'Carmin Brillant'
£5.99 - £39.99
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)
10 × corms available to order from winter
2 litre pot available to order from autumn
30 × corms available to order from winter
2 + 1 FREE 2 litre pots available to order from autumn
0 star 1 star 1 star 1 star 1 star
Crocosmia × crocosmiiflora Emily Mckenzie

20% off

Crocosmia × crocosmiiflora 'Emily Mckenzie'
£6.99 - £27.18
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
10 × corms available to order from winter
2 litre pot available to order from autumn
30 × corms available to order from winter
2 + 1 FREE 2 litre pots available to order from autumn
0.5 star 1 star 1 star 1 star 1 star
Crocosmia × crocosmiiflora Red King
Crocosmia × crocosmiiflora 'Red King'
£9.99 - £33.98
9cm pot In stock (shipped within 2-3 working days)
2 litre pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
2 + 1 FREE 2 litre pots In stock (shipped within 2-3 working days)
Crocus speciosus
Crocus speciosus
£5.99 - £16.00
15 × bulbs In stock (shipped within 2-3 working days)
45 × bulbs In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Crocus speciosus Conqueror
Crocus speciosus 'Conqueror'
£5.99 - £16.00
10 × bulbs In stock (shipped within 2-3 working days)
30 × bulbs In stock (shipped within 2-3 working days)
0 star 0.75 star 1 star 1 star 1 star
Cuphea ignea Victores

New

Cuphea ignea 'Victores'
£19.99
2 litre pot In stock (shipped within 2-3 working days)
Cyclamen cilicium
Cyclamen cilicium
£8.99 - £24.00
3 × corms shipped within 3 weeks
9 × corms shipped within 3 weeks
0.25 star 1 star 1 star 1 star 1 star
Cyclamen cilicium

50% off

Cyclamen cilicium
£5.50 - £12.50
9cm pot | 1 plant In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Cymbidium Flamingo Pink
Cymbidium Flamingo Pink | Orchid
£60.99 - £84.98
14cm pot | 50cm tall In stock (shipped within 1-2 working days)
with grey terracotta pot & saucer In stock (shipped within 2-3 working days)
Cymbidium Ginger Bread
Cymbidium Ginger Bread | Orchid
£60.99 - £84.98
14cm pot | 85cm tall In stock (shipped within 1-2 working days)
with white pot In stock (shipped within 2-3 working days)
with grey terracotta pot & saucer In stock (shipped within 2-3 working days)
with terracotta pot & saucer In stock (shipped within 2-3 working days)
with jute pot In stock (shipped within 1-2 working days)
Cymbidium Icing Sugar
Cymbidium Icing Sugar | Orchid
£60.99 - £84.98
14cm pot | 85cm tall In stock (shipped within 1-2 working days)
with white pot In stock (shipped within 2-3 working days)
with grey terracotta pot & saucer In stock (shipped within 2-3 working days)
with terracotta pot & saucer In stock (shipped within 2-3 working days)
with jute pot In stock (shipped within 1-2 working days)
Cymbidium Jingle Bells
Cymbidium Jingle Bells | Orchid
£60.99 - £84.98
14cm pot | 85cm tall In stock (shipped within 1-2 working days)
with white pot In stock (shipped within 2-3 working days)
with grey terracotta pot & saucer In stock (shipped within 2-3 working days)
with terracotta pot & saucer In stock (shipped within 2-3 working days)
with jute pot In stock (shipped within 1-2 working days)
Cymbidium Sinterklaas
Cymbidium Sinterklaas | Orchid
£60.99 - £85.98
14cm pot | 85cm tall In stock (shipped within 1-2 working days)
with white pot shipped within 2 weeks
with terracotta pot & saucer In stock (shipped within 2-3 working days)
with grey terracotta pot & saucer In stock (shipped within 2-3 working days)
with jute pot In stock (shipped within 1-2 working days)
Cynara cardunculus
Cynara cardunculus
£9.99 - £47.99
9cm pot In stock (shipped within 2-3 working days)
2 litre 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)
3 × 2 litre pots In stock (shipped within 2-3 working days)
0.25 star 1 star 1 star 1 star 1 star
Dahlia Bishop of Canterbury (PBR)

20% off

Dahlia 'Bishop of Canterbury' (PBR)
£5.79 - £28.78
3 litre pot In stock (shipped within 2-3 working days)
2 + 1 FREE 3 litre pots In stock (shipped within 2-3 working days)
1 × tuber available to order from winter
3 × tubers available to order from winter
1 star 1 star 1 star 1 star 1 star
Dahlia Cornel

50% off

Dahlia 'Cornel'
£17.99 £9.00
3 litre pot In stock (shipped within 2-3 working days)
Dahlia Mexican Star

50% off

Dahlia 'Mexican Star'
£5.99 - £17.99
3 litre pot In stock (shipped within 2-3 working days)
2 + 1 FREE 3 litre pots In stock (shipped within 2-3 working days)
1 × tuber available to order from winter
3 × tubers available to order from winter
Dahlia Nuit d'Eté

50% off

Dahlia 'Nuit d'Eté'
£5.79 - £17.99
3 litre pot In stock (shipped within 2-3 working days)
2 + 1 FREE 3 litre pots In stock (shipped within 2-3 working days)
1 × tuber available to order from winter
3 × tubers available to order from winter
1 star 1 star 1 star 1 star 1 star
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