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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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Indoor plants by room
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Used at Chelsea
Kitchen garden planting guidelines
Sort by availability
Available items
Showing Flowering month : September clear all
892 items
Anemone × hybrida Whirlwind

40% off

Anemone × hybrida 'Whirlwind'
£6.59 - £25.79
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)
Angelica gigas

20% off

Angelica gigas
£10.39 - £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)
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 4.5 5 34
Artemisia ludoviciana Silver Queen

Up to 40%

Artemisia ludoviciana 'Silver Queen'
£7.19 - £29.59
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)
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 7
Artemisia ludoviciana Valerie Finnis

20% off

Artemisia ludoviciana 'Valerie Finnis'
£7.19 - £28.79
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
Aster × frikartii Mönch

20% off

Aster × frikartii 'Mönch'
£7.19 - £35.99
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)
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 4.8 5 59
Astrantia Roma (PBR)
Astrantia 'Roma' (PBR)
£12.99 - £49.99
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)
0.5 star 1 star 1 star 1 star 1 star 4.4 5 22
Betonica officinalis Hummelo

20% off

Betonica officinalis 'Hummelo'
£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)
1 star 1 star 1 star 1 star 1 star 5.0 5 5
Bistorta amplexicaulis Firetail

20% off

Bistorta amplexicaulis 'Firetail'
£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 4.9 5 13
Bistorta amplexicaulis Orange Field ('Orangofield') (PBR)

20% off

Bistorta amplexicaulis Orange Field ('Orangofield') (PBR)
£10.39 - £31.99
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)
Bistorta officinalis Superba

20% off

Bistorta officinalis 'Superba'
£8.79 - £36.79
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 7
Buddleja 'Bressingham Bountiful'

New

Buddleja 'Bressingham Bountiful'
£24.99
2 litre pot In stock (shipped within 2-3 working days)
Buddleja Lochinch
Buddleja 'Lochinch'
£19.99
2 litre pot In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 3
Buddleja Pink Delight

20% off

Buddleja 'Pink Delight'
£19.99 - £55.99
2 litre pot In stock (shipped within 2-3 working days)
10 litre pot | 80 - 100cm tall In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 4
Buddleja Berries and Cream ('Pmoore14') (PBR)
Buddleja Berries and Cream ('Pmoore14') (PBR)
£24.99
2 litre pot In stock (shipped within 2-3 working days)
0 star 1 star 1 star 1 star 1 star 4.0 5 1
Buddleja davidii Black Knight

Up to 20%

Buddleja davidii 'Black Knight'
£15.99 - £55.99
2 litre pot In stock (shipped within 2-3 working days)
10 litre pot | 80 - 100cm tall available to order from autumn
0.75 star 1 star 1 star 1 star 1 star 4.8 5 9
Buddleja davidii Royal Red

20% off

Buddleja davidii 'Royal Red'
£22.99 - £55.99
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
12 litre pot | 80 - 100cm tall available to order from autumn
1 star 1 star 1 star 1 star 1 star 4.9 5 10
Buddleja davidii White Profusion

Up to 20%

Buddleja davidii 'White Profusion'
£15.99 - £55.99
2 litre pot In stock (shipped within 2-3 working days)
10 litre pot | 80 - 100cm tall In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star 4.8 5 11
Buddleja Little Lila (’BotEx 004’) (PBR) (Butterfly Candy Series)
Buddleja Little Lila (’BotEx 004’) (PBR) (Butterfly Candy Series)
£29.99
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
Buddleja Little White (’BotEx 003’) (PBR) (Butterfly Candy Series)
Buddleja Little White (’BotEx 003’) (PBR) (Butterfly Candy Series)
£29.99
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
Buddleja × weyeriana Bicolor
Buddleja × weyeriana 'Bicolor'
£21.99
2 litre pot In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star 4.6 5 5
Buddleja × weyeriana Sungold

20% off

Buddleja × weyriana 'Sungold'
£24.99 £19.99
2 litre pot In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Calamintha nepeta subsp. nepeta Blue Cloud

New

Calamintha nepeta subsp. nepeta 'Blue Cloud'
£9.99 - £24.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Calluna vulgaris Dark Beauty
Calluna vulgaris 'Dark Beauty'
£8.99 - £22.99
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
Campanula Rebelle

New

Campanula 'Rebelle'
£12.99 - £32.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Campanula carpatica f. alba Weisse Clips
Campanula carpatica f. alba 'Weisse 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)
0.25 star 1 star 1 star 1 star 1 star
Campanula lactiflora Prichard's Variety
Campanula lactiflora 'Prichard's Variety'
£8.99 - £49.99
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)
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
0.25 star 1 star 1 star 1 star 1 star
Carex buchananii Red Rooster

50% off

Carex buchananii 'Red Rooster'
£5.00 - £12.50
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Caryopteris × clandonensis Heavenly Blue

Up to 40%

Caryopteris × clandonensis 'Heavenly Blue'
£5.39 - £22.79
9cm pot In stock (shipped within 2-3 working days)
2 litre pot 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
Caryopteris × clandonensis Kew Blue

40% off

Caryopteris × clandonensis 'Kew Blue'
£5.39 - £12.59
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Caryopteris × clandonensis White Surprise (PBR)

20% off

Caryopteris × clandonensis 'White Surprise' (PBR)
£26.99 £21.59
2 litre pot In stock (shipped within 2-3 working days)
Caryopteris × clandonensis Grand Bleu ('Inoveris') (PBR)

20% off

Caryopteris × clandonensis Grand Bleu ('Inoveris') (PBR)
£20.99 £16.79
2 litre pot In stock (shipped within 2-3 working days)
Caryopteris × clandonensis Hint of Gold ('Lisaura') (PBR)

20% off

Caryopteris × clandonensis Hint of Gold ('Lisaura') (PBR)
£22.99 £18.39
2 litre pot In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Caryopteris × clandonensis Pink Perfection ('Lisspin') (PBR)

20% off

Caryopteris × clandonensis Pink Perfection ('Lisspin') (PBR)
£26.99 £21.59
2 litre pot In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Caryopteris × clandonensis Sterling Silver ('Lissilv') (PBR)

20% off

Caryopteris × clandonensis Sterling Silver ('Lissilv') (PBR)
£21.40 - £50.39
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
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
Centranthus ruber
Centranthus ruber
£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)
0.25 star 1 star 1 star 1 star 1 star
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
Ceratostigma plumbaginoides

20% off

Ceratostigma plumbaginoides
£7.19 - £30.39
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
Ceratostigma willmottianum Forest Blue ('Lice') (PBR)

20% off

Ceratostigma willmottianum Forest Blue ('Lice') (PBR)
£22.99 £18.39
2 litre pot In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star
Choisya ternata Sundance ('Lich')
Choisya ternata Sundance ('Lich')
£25.99 - £109.99
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
6 × 2 litre pots In stock (shipped within 2-3 working days)
0.25 star 1 star 1 star 1 star 1 star
Choisya Greenfingers ('Lissfing') (PBR)
Choisya × dewitteana Greenfingers ('Lissfing') (PBR)
£24.99
2 litre pot In stock (shipped within 2-3 working days)
Choisya × dewitteana Aztec Gold (PBR)
Choisya × dewitteana 'Aztec Gold' (PBR)
£23.99
2 litre pot In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Choisya × dewitteana White Dazzler ('Londaz') (PBR)

20% off

Choisya × dewitteana White Dazzler ('Londaz') (PBR)
£24.75 - £63.99
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
7.5 litre pot | 30 - 40cm tall In stock (shipped within 2-3 working days)
0 star 0.75 star 1 star 1 star 1 star
Chrysanthemum Clara Curtis

20% off

Chrysanthemum 'Clara Curtis'
£7.99 - £18.39
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Chrysanthemum Dr Tom Parr

New

20% off

Chrysanthemum 'Dr Tom Parr'
£7.99 - £19.19
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Chrysanthemum Mei-Kyō

New

20% off

Chrysanthemum 'Mei-Kyō'
£7.99 - £19.19
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
Cirsium rivulare Trevors Felley Find (PBR)

20% off

Cirsium rivulare 'Trevors Felley Find' (PBR)
£8.79 - £35.99
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
Clematis Andromeda
Clematis 'Andromeda'
£29.99
3 litre pot | 60cm cane In stock (shipped within 2-3 working days)
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