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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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Evergreen / deciduous
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Chelsea plant of year
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Used at Chelsea
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Sort by highest price
Available items
Showing Flowering month : September clear all
336 items
Dianthus Gran's Favourite
Dianthus 'Gran's Favourite'
£7.99 - £34.99
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)
1 star 1 star 1 star 1 star 1 star 5.0 5 3
Teucrium × lucidrys
Teucrium × lucidrys
£7.99 - £34.99
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)
0.5 star 1 star 1 star 1 star 1 star 4.6 5 5
Delosperma cooperi Golden Wonder ('Wowd20111') (PBR) (Wheels of Wonder Series)
Delosperma Golden Wonder ('Wowd20111') (PBR) (Wheels of Wonder Series)
£7.99 - £19.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Delosperma cooperi Jewel of Desert Garnet (PBR) (Jewel of Desert Series)
Delosperma cooperi 'Jewel of Desert Garnet' (PBR) (Jewel of Desert Series)
£7.99 - £34.99
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)
0.25 star 1 star 1 star 1 star 1 star 4.3 5 9
Delosperma cooperi Hot Pink Wonder ('Wowdry1') (PBR) (Wheels of Wonder Series)
Delosperma cooperi Hot Pink Wonder ('Wowdry1') (Wheels of Wonder Series) (PBR)
£7.99 - £19.99
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 5.0 5 2
Delosperma cooperi Jewel of Desert Grenade (PBR) (Jewel of Desert Series)
Delosperma cooperi 'Jewel of Desert Grenade' (PBR) (Jewel of Desert Series)
£7.99 - £19.99
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 5.0 5 2
Delosperma White Wonder ('Wowdw7') (Wheels of Wonder Series) (PBR)
Delosperma White Wonder ('Wowdw7') (Wheels of Wonder Series) (PBR)
£7.99 - £19.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
0 star 0 star 1 star 1 star 1 star 3.0 5 1
Erodium × variabile William Bishop
Erodium × variabile 'Bishop's Form'
£7.99 - £34.99
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)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Campanula carpatica Blaue Clips
Campanula carpatica 'Blaue Clips'
£7.99 - £32.99
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)
0.5 star 1 star 1 star 1 star 1 star 4.5 5 4
Agapanthus Windsor Grey

40% off

Agapanthus 'Windsor Grey'
£7.79 - £44.99
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)
1 star 1 star 1 star 1 star 1 star 5.0 5 3
Agapanthus Midnight Star

50% off

Agapanthus 'Midnight Star'
£7.00 - £24.99
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)
0.5 star 1 star 1 star 1 star 1 star 4.4 5 5
Erigeron karvinskianus

25% off

Erigeron karvinskianus
£2.99 - £39.99
approx 100 seeds In stock (shipped within 2-3 working days)
9cm pot In stock (shipped within 2-3 working days)
3 × approx 100 seeds 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)
1 star 1 star 1 star 1 star 1 star 4.9 5 182
Lindernia grandiflora
Lindernia grandiflora
£6.99 - £29.99
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)
Dahlia Tartan

Up to 49%

Dahlia 'Tartan'
£5.39 - £18.35
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
Crocosmia × crocosmiiflora Carmin Brilliant

10% off

Crocosmia × crocosmiiflora 'Carmin Brilliant'
£5.39 - £39.99
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)
2 + 1 FREE 2 litre 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
30 × corms available to order from winter
0 star 0.75 star 1 star 1 star 1 star 3.8 5 5
Dahlia Mexican Star

Up to 49%

Dahlia 'Mexican Star'
£4.94 - £18.35
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 Tamburo

Up to 49%

Dahlia 'Tamburo'
£4.94 - £18.35
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 × tuber available to order from winter
Dahlia 'Spartacus' Senior

Up to 49%

Dahlia 'Spartacus' Senior
£4.94 - £18.35
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 1 star 1 star 1 star 1 star 4.0 5 2
Dahlia Soulman

Up to 49%

Dahlia 'Soulman'
£4.94 - £18.35
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
Dahlia Nuit d'Eté

Up to 49%

Dahlia 'Nuit d'Eté'
£4.76 - £18.35
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 merckii

New

Up to 25%

Dahlia merckii
£4.12 - £35.98
approx 10 seeds In stock (shipped within 2-3 working days)
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)
2 + 1 FREE 2 litre pots In stock (shipped within 2-3 working days)
1 × tuber available to order from winter
1 star 1 star 1 star 1 star 1 star
Cosmos bipinnatus Double Click Cranberries (Double Click Series)

25% off

Cosmos bipinnatus 'Double Click Cranberries' (Double Click Series)
£4.79 £3.59
approx 60 seeds In stock (shipped within 2-3 working days)
Knautia macedonica

25% off

Knautia macedonica
£2.99 - £49.99
approx 40 seeds In stock (shipped within 2-3 working days)
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)
0.5 star 1 star 1 star 1 star 1 star
Stipa tenuissima

25% off

Stipa tenuissima
£2.84 - £44.99
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)
approx 30 seeds available to order from autumn
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
0.75 star 1 star 1 star 1 star 1 star
Linaria purpurea Canon Went

25% off

Linaria purpurea 'Canon Went'
£2.77 - £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)
approx 100 seeds available to order from autumn
0.5 star 1 star 1 star 1 star 1 star
Centaurea nigra

25% off

Centaurea nigra
£2.24 - £18.99
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)
1 star 1 star 1 star 1 star 1 star
Prunella vulgaris

25% off

Prunella vulgaris
£2.24 - £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)
Galium verum

25% off

Galium verum
£2.24 - £18.99
approx 250 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)
1 star 1 star 1 star 1 star 1 star
Achillea millefolium

25% off

Achillea millefolium
£2.24 - £19.99
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)
Gaillardia × grandiflora Burgunder

25% off

Gaillardia × grandiflora 'Burgunder'
£2.24 - £19.99
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)
Cosmos sulphureus Bright Lights mixed

25% off

Cosmos sulphureus 'Bright Lights mixed'
£2.99 £2.24
approx 100 seeds In stock (shipped within 2-3 working days)
Papaver rhoeas Amazing Grey

25% off

Papaver rhoeas 'Amazing Grey'
£2.24 - £19.99
approx 250 seeds In stock (shipped within 2-3 working days)
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
0.5 star 1 star 1 star 1 star 1 star
Verbena rigida Santos

25% off

Verbena rigida 'Santos'
£2.24 - £19.99
approx 40 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)
Orlaya grandiflora

Up to 50%

Orlaya grandiflora
£2.17 - £3.50
approx 25 seeds In stock (shipped within 2-3 working days)
9cm pot available to order from autumn
0.5 star 1 star 1 star 1 star 1 star
Limnanthes douglasii

25% off

Limnanthes douglasii
£2.49 £1.87
approx 125 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Lychnis coronaria

25% off

Lychnis coronaria
£1.87 - £19.99
approx 50 seeds In stock (shipped within 2-3 working days)
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
1 star 1 star 1 star 1 star 1 star
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