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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.

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Used at Chelsea
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Available items
Showing Flowering month : September clear all
816 items
Caryopteris × clandonensis White Surprise (PBR)
Caryopteris × clandonensis 'White Surprise' (PBR)
£26.99
2 litre pot In stock (shipped within 2-3 working days)
Caryopteris × clandonensis Grand Bleu ('Inoveris') (PBR)
Caryopteris × clandonensis Grand Bleu ('Inoveris') (PBR)
£20.99
2 litre pot In stock (shipped within 2-3 working days)
Caryopteris × clandonensis Hint of Gold ('Lisaura') (PBR)
Caryopteris × clandonensis Hint of Gold ('Lisaura') (PBR)
£22.99
2 litre pot In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Caryopteris × clandonensis Sterling Silver ('Lissilv') (PBR)
Caryopteris × clandonensis Sterling Silver ('Lissilv') (PBR)
£26.75 - £62.99
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
Nepeta cataria

25% off

catnip / Nepeta cataria
£2.24 - £15.98
approx 150 seeds In stock (shipped within 2-3 working days)
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Ceanothus Autumnal Blue
Ceanothus 'Autumnal Blue'
£24.99 - £64.99
2 litre pot 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 7
Cenolophium denudatum
Cenolophium denudatum
£14.99 - £59.99
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 4
Centaurea cyanus

25% off

Centaurea cyanus
£1.87 - £5.25
approx 200 seeds In stock (shipped within 2-3 working days)
3 × packets of seeds In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star 4.5 5 2
Centaurea cyanus Blue Ball

25% off

Centaurea cyanus 'Blue Ball'
£2.99 £2.24
approx 325 seeds In stock (shipped within 2-3 working days)
Centaurea cyanus Classic Fantastic

25% off

Centaurea cyanus 'Classic Fantastic'
£2.99 £2.24
approx 100 seeds In stock (shipped within 2-3 working days)
Centaurea cyanus Classic Magic

25% off

Centaurea cyanus 'Classic Magic'
£2.89 £2.17
approx 100 seeds In stock (shipped within 2-3 working days)
Centaurea cyanus Polka Dot Series

25% off

Centaurea cyanus 'Polka Dot Series'
£2.49 £1.87
approx 325 seeds In stock (shipped within 2-3 working days)
Centaurea cyanus White Ball

25% off

Centaurea cyanus 'White Ball'
£2.49 £1.87
approx 300 seeds In stock (shipped within 2-3 working days)
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 5.0 5 5
Centaurea scabiosa

25% off

Centaurea scabiosa
£2.99 £2.24
approx 20 seeds In stock (shipped within 2-3 working days)
Centranthus ruber
Centranthus ruber
£8.99 - £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)
0.25 star 1 star 1 star 1 star 1 star 4.1 5 8
Centranthus ruber Albus
Centranthus ruber 'Albus'
£8.99 - £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)
1 star 1 star 1 star 1 star 1 star 4.9 5 8
Ceratostigma plumbaginoides
Ceratostigma plumbaginoides
£8.99 - £37.99
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 7
Ceratostigma willmottianum Forest Blue ('Lice') (PBR)
Ceratostigma willmottianum Forest Blue ('Lice') (PBR)
£22.99
2 litre pot In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star 4.8 5 11
chilli Basket of Fire F1

25% off

chilli 'Basket of Fire' F1
£3.99 £2.99
approx 10 seeds In stock (shipped within 2-3 working days)
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