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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
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Chelsea plant of year
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Used at Chelsea
Kitchen garden planting guidelines
Sort by lowest price
Available items
Showing Flowering month : September clear all
1161 items
chilli Trinidad Moruga Scorpion
chilli 'Trinidad Scorpion'
£3.99
approx 5 seeds shipped within 2 weeks
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
Verbena bonariensis Vanity
Verbena bonariensis 'Vanity'
£3.99
approx 40 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)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Vinca minor

20% off

Vinca minor
£4.79 - £11.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star 4.7 5 22
Antirrhinum majus Potomac Lavender

New

Antirrhinum majus 'Potomac Lavender'
£4.79
approx 50 seeds In stock (shipped within 2-3 working days)
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)
Dahlia Bishop of Llandaff
Dahlia 'Bishop of Llandaff'
£4.99 - £35.98
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
6 × tubers available to order from winter
0.5 star 1 star 1 star 1 star 1 star 4.6 5 12
Poppy field collection of annuals
Poppy field collection of annuals
£4.99
1g packet | 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)
Dahlia Nuit d'Eté
Dahlia 'Nuit d'Eté'
£5.29 - £35.98
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 5.0 5 4
Dahlia Rip City
Dahlia 'Rip City'
£5.29 - £35.98
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
0.5 star 1 star 1 star 1 star 1 star 4.6 5 5
Dahlia Chat Noir
Dahlia 'Chat Noir'
£5.29 - £35.98
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
0.5 star 1 star 1 star 1 star 1 star 4.6 5 10
Dahlia Thomas A. Edison
Dahlia 'Thomas A. Edison'
£5.29 - £35.98
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
0.75 star 1 star 1 star 1 star 1 star 4.8 5 4
Dahlia Waltzing Mathilda
Dahlia 'Waltzing Mathilda'
£5.29 - £35.98
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
0 star 0 star 1 star 1 star 1 star 3.0 5 1
Dahlia Totally Tangerine
Dahlia 'Totally Tangerine'
£5.39 - £35.98
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
6 × tubers available to order from winter
0.75 star 1 star 1 star 1 star 1 star 4.8 5 4
Dahlia Bayou (PBR)
Dahlia 'Bayou' (PBR)
£5.39 - £35.98
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
6 × tubers available to order from winter
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Dahlia French Cancan
Dahlia 'French Cancan'
£5.39 - £35.98
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 Bishop of Canterbury (PBR)
Dahlia 'Bishop of Canterbury' (PBR)
£5.39 - £35.98
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 5.0 5 2
Dahlia 'Spartacus' Senior
Dahlia 'Spartacus' Senior
£5.49 - £35.98
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 5.0 5 1
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