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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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Used at Chelsea
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Available items
Showing Flowering month : September clear all
893 items
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
Anthemis arvensis
Anthemis arvensis
£2.99
approx 100 seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Admiral Crimson
Antirrhinum majus 'Admiral Crimson'
£3.29
approx 50 seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Admiral White
Antirrhinum majus 'Admiral White'
£3.99 - £10.00
approx 50 seeds In stock (shipped within 2-3 working days)
3 × packets of seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Antirrhinum majus Appleblossom
Antirrhinum majus 'Appleblossom'
£2.49 - £7.00
approx 20 seeds In stock (shipped within 2-3 working days)
3 × packets of seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Madame Butterfly Bronze White
Antirrhinum majus 'Madame Butterfly Bronze White'
£3.49
approx 25 seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Madame Butterfly Cherry Bronze
Antirrhinum majus 'Madame Butterfly Cherry Bronze'
£3.49
approx 25 seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Madame Butterfly Pink

New

Antirrhinum majus 'Madame Butterfly Pink'
£3.49
approx 25 seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Madame Butterfly Red

New

Antirrhinum majus 'Madame Butterfly Red'
£3.49
approx 25 seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Night and Day
Antirrhinum majus 'Night and Day'
£2.49
approx 500 seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Potomac Lavender
Antirrhinum majus 'Potomac Lavender'
£4.79
approx 50 seeds In stock (shipped within 2-3 working days)
Arbutus unedo
Arbutus unedo
£34.99
2 litre pot | 30cm tall In stock (shipped within 3-5 working days)
0.75 star 1 star 1 star 1 star 1 star 4.8 5 12
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
Assorted native oxygenating
Assorted native oxygenating bunches
£19.99 - £39.98
5 × bunches Delivery by trusted supplier within 1 week
10 + 5 FREE Delivery by trusted supplier within 1 week
Aster Duchess Mixed
Aster 'Duchess Mixed'
£2.49
approx 200 seeds In stock (shipped within 2-3 working days)
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
Award-winning Streptocarpus collection
Award-winning Streptocarpus collection
£39.99
1 × collection | 6 plants Delivery by trusted supplier within 1 week
bean (climbing French) Sunshine
bean (climbing French) 'Sunshine'
£3.49
approx 50 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Bee mat seed carpet
Bee mat seed carpet
£14.99
seed mat In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Begonia Stellar Storm
Begonia 'Stellar Storm'
£15.99 - £31.98
1 × rooted cutting Delivery by trusted supplier within 1 week
2 + 1 FREE rooted cuttings Delivery by trusted supplier within 1 week
Bellis perennis Bellissima Series
Bellis Bellissima Series
£16.49 - £32.99
20 seedlings shipped within 2 weeks
40 + 20 FREE seedlings shipped within 2 weeks
0.5 star 1 star 1 star 1 star 1 star
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
Bistorta amplexicaulis Blackfield (PBR)

20% off

Bistorta amplexicaulis 'Blackfield' (PBR)
£11.99 - £38.39
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
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
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
Blue and white cutting garden collection
Blue & white cutting garden collection
£11.06
1 × collection In stock (shipped within 2-3 working days)
Streptocarpus collection Blue and Pink
Blue and pink streptocarpus collection
£39.99
1 × collection | 6 plants Delivery by trusted supplier within 1 week
Borago officinalis Alba
borage - white borage
£2.99
approx 50 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Borago officinalis
borage | Borago officinalis
£2.19 - £15.98
approx 75 organic 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
0.5 star 1 star 1 star 1 star 1 star
Border salvia collection

New

20% off

Border salvia collection
£33.57 - £63.94
1 × collection | 4 plants In stock (shipped within 2-3 working days)
3 × collections | 12 plants In stock (shipped within 2-3 working days)
Bright and bold sweet pea collection
Bright & bold sweet pea collection
£8.97
1 × collection In stock (shipped within 2-3 working days)
broccoli raab Cima di Rapa 60
broccoli raab 'Cima di Rapa 60'
£2.99
approx 4800 seeds In stock (shipped within 2-3 working days)
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
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
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
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
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
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
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
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
Buddleja × pikei Unique ('Pmoore12') (PBR)
Buddleja × pikei Unique ('Pmoore12') (PBR)
£22.99
2 litre pot shipped within 2 weeks
0 star 1 star 1 star 1 star 1 star
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
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
Butterfly mat seed carpet
Butterfly mat seed carpet
£11.99
seed mat In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
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