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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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Available items
Showing Flowering month : September clear all
213 items
Verbena bonariensis

25% off

Verbena bonariensis
£1.79 - £39.99
approx 250 seeds In stock (shipped within 2-3 working days)
3 × packets (approx 750 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)
0.75 star 1 star 1 star 1 star 1 star 4.7 5 134
Lavandula angustifolia Hidcote
Lavandula angustifolia 'Hidcote'
£7.99 - £49.95
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)
3 × 2 litre pots In stock (shipped within 2-3 working days)
9 × 9cm pots In stock (shipped within 2-3 working days)
5 litre pot In stock (shipped within 2-3 working days)
5 × 2 litre pots In stock (shipped within 2-3 working days)
0.25 star 1 star 1 star 1 star 1 star 4.4 5 59
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
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
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 '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 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 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
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 4.6 5 41
Stipa tenuissima

25% off

Stipa tenuissima
£2.84 - £44.99
approx 30 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)
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 4.7 5 47
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)
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