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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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All items
Showing Flowering month : September clear all
1650 items
Award-winning Streptocarpus collection
Grown in the UK
Award-winning Streptocarpus collection
£39.99
1 × collection | 6 plants Delivery by trusted supplier within 1 week
Award-winning summer flowering clematis collection
Award-winning summer flowering clematis collection
£44.97
1 × collection | 3 plants available to order from autumn
Award-winning sweet pea collection
Award-winning sweet pea collection
£10.27 £7.68
1 × collection available to order from autumn
Chaenostoma Megacopa Blue
bacopa 'Megacopa Blue'
£6.99 - £13.98
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Chaenostoma cordatum Snowflake
bacopa 'Snowflake'
£6.99 - £19.98
9cm pot available to order from autumn
5 × rooted cuttings sold out
2 + 1 FREE 9cm pots available to order from autumn
10 + 5 FREE rooted cuttings sold out
bean (climbing French) Sunshine

25% off

bean (climbing French) 'Sunshine'
£3.49 £2.62
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

25% off

Bee mat seed carpet
£14.99 £11.24
seed mat In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Bees and butterflies dahlia collection
Bees & butterflies dahlia collection
£19.35 - £38.70
1 × collection | 4 tubers available to order from winter
2 + 1 FREE collections | 12 tubers available to order from winter
Begonia Illumination Apricot (Illumination Series)
Begonia 'Illumination Apricot' (Illumination Series)
£9.99 - £19.98
5 × seedlings | jumbo sold out
10 + 5 FREE seedlings | jumbo sold out
0 star 1 star 1 star 1 star 1 star 4.0 5 1
Begonia Mother's Day
Begonia 'Mother's Day'
£4.49 - £8.99
1 × tuber available to order from winter
3 × tubers available to order from winter
0.75 star 1 star 1 star 1 star 1 star 4.7 5 3
Begonia Pink Flamingo
Begonia 'Pink Flamingo'
£4.49 - £8.98
1 × tuber available to order from winter
2 + 1 FREE tubers available to order from winter
0.5 star 1 star 1 star 1 star 1 star 4.5 5 4
Begonia Red Glory
Begonia 'Red Glory'
£4.49 - £8.98
1 × tuber available to order from winter
2 + 1 FREE tubers available to order from winter
0 star 0 star 0 star 0 star 1 star 1.0 5 1
Begonia Rosebud Tutu
Begonia 'Rosebud Tutu'
£6.29 - £12.58
2 × tubers available to order from winter
4 + 2 FREE tubers available to order from winter
Begonia Splendide Ballerina
Begonia 'Splendide Ballerina'
£5.39 - £13.50
2 × tubers available to order from winter
6 × tubers available to order from winter
Begonia Stellar Storm
Grown in the UK
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
Begonia (Pendula Group) Pink Giant
Begonia (Pendula Group) 'Pink Giant'
£3.59 - £8.99
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 2
Begonia (Pendula Group) Red Giant
Begonia (Pendula Group) 'Red Giant'
£3.59 - £8.99
1 × tuber available to order from winter
3 × tubers available to order from winter
Begonia (Pendula Group) White Giant
Begonia (Pendula Group) 'White Giant'
£3.59 - £8.99
1 × tuber available to order from winter
3 × tubers available to order from winter
0.5 star 1 star 1 star 1 star 1 star 4.4 5 5
Begonia collection for Hanging baskets & pots
Begonia collection for hanging baskets and pots
£10.75 - £21.55
1 × collection | 3 tubers available to order from winter
2 + 1 FREE collections | 9 tubers available to order from winter
Begonia gift set
Begonia gift set
£14.99 £13.49
gift set available to order from winter
Begonia × intermedia Bertinii
Begonia × intermedia 'Bertinii'
£4.49 - £8.98
1 × tuber available to order from winter
2 + 1 FREE tubers Unavailable
Bellis perennis Bellissima Series
Bellis Bellissima Series
£16.49 - £32.99
20 seedlings Delivered mid September
40 + 20 FREE seedlings Delivered mid September
0.5 star 1 star 1 star 1 star 1 star
Berry dahlia collection
Berry dahlia collection
£24.72 - £49.41
1 × collection | 5 tubers available to order from winter
2 + 1 FREE collections | 15 tubers available to order from winter
Best red dahlia collection
Best red dahlia collection
£15.26 - £30.51
1 × collection | 3 tubers available to order from winter
2 + 1 FREE collections | 9 tubers available to order from winter
Best white dahlia collection
Best white dahlia collection
£15.26 - £30.51
1 × collection | 3 tubers available to order from winter
2 + 1 FREE collections | 9 tubers available to order from winter
Betonica officinalis Hummelo
Betonica officinalis 'Hummelo'
£8.99 - £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
Bidens ferulifolia Bee Happy Red ('Baleehedi') (Bee Happy Series)
Bidens ferulifolia Bee Happy Red ('Baleehedi') (Bee Happy Series)
£6.99 - £13.98
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Billardiera heterophylla
Billardiera heterophylla
£29.99
3 litre pot | 60cm cane available to order from autumn
0.5 star 1 star 1 star 1 star 1 star
Billardiera heterophylla Ultra Blue (PBR)
Billardiera heterophylla 'Ultra Blue' (PBR)
£26.95
3 litre pot | 60cm cane available to order from autumn
Bistorta affinis Superba
Bistorta affinis 'Superba'
£9.99 - £22.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Bistorta amplexicaulis Blackfield (PBR)
Bistorta amplexicaulis 'Blackfield' (PBR)
£14.99 - £47.99
9cm pot In stock (shipped within 2-3 working days)
3 × 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
Bistorta amplexicaulis Firetail
Bistorta amplexicaulis 'Firetail'
£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)
1 star 1 star 1 star 1 star 1 star
Bistorta amplexicaulis Orange Field ('Orangofield') (PBR)
Bistorta amplexicaulis Orange Field ('Orangofield') (PBR)
£12.99 - £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)
Bistorta officinalis Superba
Bistorta officinalis 'Superba'
£10.99 - £45.99
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
blackberry Oregon Thornless
blackberry 'Oregon Thornless'
£21.99 - £43.98
3 litre pot available to order from autumn
2 + 1 FREE 3 litre pots available to order from autumn
1 star 1 star 1 star 1 star 1 star
Citrus Arcobal Orange
blood meyer orange 'Arcobal'
£119.99
22cm pot | 75cm tall In stock (shipped within 2-3 working days)
Blue and white cutting garden collection

25% off

Blue & white cutting garden collection
£11.06 £8.30
1 × collection In stock (shipped within 2-3 working days)
Streptocarpus collection Blue and Pink
Grown in the UK
Blue and pink streptocarpus collection
£39.99
1 × collection | 6 plants Delivery by trusted supplier within 1 week
Blueberry bliss - Easyplanter for hanging baskets & patio pots
Blueberry bliss - Easyplanter for hanging baskets & patio pots
£26.99
Easyplanter sold out
1 star 1 star 1 star 1 star 1 star
Bollywood - Easyplanter for hanging baskets & patio pots
Bollywood - Easyplanter for hanging baskets & patio pots
£26.99
Easyplanter sold out
1 star 1 star 1 star 1 star 1 star
Borago officinalis Alba

25% off

borage - white borage
£2.99 £2.24
approx 50 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Borago officinalis

25% off

borage | Borago officinalis
£1.64 - £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
Bright and bold sweet pea collection

25% off

Bright & bold sweet pea collection
£8.67 £6.50
1 × collection In stock (shipped within 2-3 working days)
Brilliant bling - Easyplanter for hanging baskets & patio pots
Brilliant bling - Easyplanter for hanging baskets & patio pots
£26.99
Easyplanter sold out
broccoli raab Cima di Rapa 60
broccoli raab 'Cima di Rapa 60'
£2.99 £2.24
approx 4800 seeds available to order from autumn
Bruised dahlia collection
Bruised dahlia collection
£14.39 - £28.78
1 × collection | 3 tubers available to order from winter
2 + 1 FREE collections | 9 tubers available to order from winter
Buddleja 'Bressingham Bountiful'

New

Buddleja 'Bressingham Bountiful'
£24.99
2 litre pot available to order from autumn
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 Morning Mist (PBR)
Buddleja 'Morning Mist' (PBR)
£24.99
2 litre pot In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star
Buddleja Pink Delight
Buddleja 'Pink Delight'
£19.99 - £69.99
2 litre pot available to order from autumn
10 litre pot | 80 - 100cm tall available to order from autumn
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)
Buddleja davidii Black Knight
Buddleja davidii 'Black Knight'
£19.99 - £69.99
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 davidii Grand Cascade
Buddleja davidii 'Grand Cascade'
£26.99
2 litre pot available to order from autumn
Buddleja davidii Royal Red
Buddleja davidii 'Royal Red'
£22.99 - £69.99
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
10 litre pot | 80 - 100cm tall available to order from autumn
1 star 1 star 1 star 1 star 1 star
Buddleja davidii White Profusion
Buddleja davidii 'White Profusion'
£19.99 - £69.99
2 litre pot available to order from autumn
10 litre pot | 80 - 100cm tall available to order from autumn
1 star 1 star 1 star 1 star 1 star
Buddleja davidii Wisteria Lane (PBR)
Buddleja davidii 'Wisteria Lane' (PBR)
£24.75
2 litre pot sold out
0.5 star 1 star 1 star 1 star 1 star
Buddleja lindeyana Floral Fanfare (PBR)

New

Buddleja lindeyana 'Floral Fanfare' (PBR)
£29.99
2 litre pot available to order from autumn
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)
Buddleja Little Pink (’BotEx 005’) (PBR) (Butterfly Candy Series)
Buddleja Little Pink (’BotEx 005’) (PBR) (Butterfly Candy Series)
£29.99
2 litre pot In stock (shipped within 2-3 working days)
0 star 0 star 1 star 1 star 1 star
Buddleja Little Purple (’BotEx 001’) (PBR) (Butterfly Candy Series)
Buddleja Little Purple (’BotEx 001’) (PBR) (Butterfly Candy Series)
£29.99
2 litre pot In stock (shipped within 2-3 working days)
Buddleja Little Ruby ('BotEx 006') (PBR) (Butterfly Candy Series)
Buddleja Little Ruby ('BotEx 006') (PBR) (Butterfly Candy Series)
£29.99
2 litre pot In stock (shipped within 2-3 working days)
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)
Buddleja Sugar Plum ('Lonplum') (PBR)
Buddleja Sugar Plum ('Lonplum') (PBR)
£24.99
2 litre pot available to order from autumn
0.75 star 1 star 1 star 1 star 1 star
Buddleja × pikei Unique ('Pmoore12') (PBR)
Buddleja × pikei Unique ('Pmoore12') (PBR)
£22.99
2 litre pot In stock (shipped within 2-3 working days)
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)
0.75 star 1 star 1 star 1 star 1 star
Buddleja × weyeriana Sungold
Buddleja × weyriana 'Sungold'
£24.99
2 litre pot available to order from autumn
1 star 1 star 1 star 1 star 1 star
Burnt orange dahlia collection
Burnt orange dahlia collection
£14.39 - £28.78
1 × collection | 3 tubers available to order from winter
2 + 1 FREE collections | 9 tubers available to order from winter
Burnt sugar dahlia collection
Burnt sugar dahlia collection
£14.39 - £28.78
1 × collection | 3 tubers available to order from winter
2 + 1 FREE collections | 9 tubers available to order from winter
Butterfly mat seed carpet

25% off

Butterfly mat seed carpet
£11.99 £8.99
seed mat 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 available to order from autumn
3 × 9cm pots available to order from autumn
Citrus × microcarpa
calamondin orange
£59.99 - £114.98
19cm pot | 60cm tall available to order from winter
with terracotta ruffle pot available to order from winter
Calendula officinalis

25% off

Calendula officinalis
£2.09 - £5.62
approx 100 seeds In stock (shipped within 2-3 working days)
3 × packets of seeds In stock (shipped within 2-3 working days)
0.25 star 1 star 1 star 1 star 1 star
Calendula officinalis Fiesta Orange
Calendula officinalis 'Fiesta Orange'
£6.99 - £13.98
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Calendula officinalis Indian Prince (Prince Series)

25% off

Calendula officinalis 'Indian Prince' (Prince Series)
£2.02 - £5.62
approx 100 seeds In stock (shipped within 2-3 working days)
3 × packets of seeds In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star
Calendula officinalis Neon
Calendula officinalis 'Neon'
£2.49 £1.87
approx 100 seeds available to order from autumn
Calendula officinalis Orange King

25% off

Calendula officinalis 'Orange King'
£2.49 £1.87
approx 150 seeds In stock (shipped within 2-3 working days)
Calendula officinalis Sherbet Fizz

25% off

Calendula officinalis 'Sherbet Fizz'
£2.49 £1.87
approx 100 seeds In stock (shipped within 2-3 working days)
Calendula officinalis Snow Princess

25% off

Calendula officinalis 'Snow Princess'
£2.89 £2.17
approx 100 seeds In stock (shipped within 2-3 working days)
Calibrachoa Cabaret Early Orange (Cabaret Series)
Calibrachoa 'Cabaret Early Orange' (Cabaret Series)
£6.99 - £19.98
9cm pot available to order from autumn
5 × rooted cuttings sold out
2 + 1 FREE 9cm pots available to order from autumn
10 + 5 FREE rooted cuttings sold out
1 star 1 star 1 star 1 star 1 star
Calibrachoa Cabaret Early Pink (PBR) (Cabaret Series)
Calibrachoa 'Cabaret Early Pink' (Cabaret Series)
£9.99 - £19.98
5 × rooted cuttings sold out
10 + 5 FREE rooted cuttings sold out
Calibrachoa Can-can Black Cherry (Can-can Series)
Calibrachoa 'Can-can Black Cherry' (Can-can Series)
£6.99 - £21.98
9cm pot available to order from autumn
5 × rooted cuttings sold out
2 + 1 FREE 9cm pots available to order from autumn
10 + 5 FREE rooted cuttings sold out
Calibrachoa Can-can Double Apricot (Can-can Series)
Calibrachoa 'Can-can Double Apricot' (Can-can Series)
£6.99 - £13.98
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Calibrachoa Can-can Double OrangeTastic (Can-can Series)
Calibrachoa 'Can-can Double OrangeTastic' (Can-can Series)
£3.50 - £25.98
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
5 × rooted cuttings sold out
10 + 5 FREE rooted cuttings sold out
Calibrachoa Can-can Double Provence Blue (Can-can Series)
Calibrachoa 'Can-can Double Provence Blue' (Can-can Series)
£3.50 - £25.98
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
5 × rooted cuttings sold out
10 + 5 FREE rooted cuttings sold out
Calibrachoa Can-can Double White Improved (Can-can Series)
Calibrachoa 'Can-can Double White Improved' (Can-can Series)
£3.50 - £25.98
9cm pot available to order from autumn
5 × rooted cuttings sold out
10 + 5 FREE rooted cuttings sold out
Calibrachoa Cabaret Bright Red ('Balcabrite') (PBR) (Cabaret Series)

50% off

Calibrachoa Cabaret Bright Red ('Balcabrite') (PBR) (Cabaret Series)
£3.50 - £19.98
9cm pot In stock (shipped within 2-3 working days)
2 + 1 FREE 9cm pots In stock (shipped within 2-3 working days)
5 × rooted cuttings sold out
10 + 5 FREE rooted cuttings sold out
Calibrachoa Cabaret Goodnight Kiss ('Balcabooni') (PBR)
Calibrachoa Cabaret Goodnight Kiss ('Balcabooni') (PBR)
£3.50 - £19.98
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
5 × rooted cuttings sold out
10 + 5 FREE rooted cuttings sold out
Calibrachoa Calitastic Cappucino ('Wescacacap') (Calitastic Series)
Calibrachoa Calitastic Cappucino ('Wescacacap') (Calitastic Series)
£3.50 - £19.98
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
5 × rooted cuttings sold out
10 + 5 FREE rooted cuttings sold out
Callistemon viminalis Hot Pink ('Kkho1') (PBR)
Callistemon viminalis Hot Pink ('Kkho1') (PBR)
£27.99
2 litre pot In stock (shipped within 2-3 working days)
Callistephus chinensis King Size Apricot

25% off

Callistephus chinensis 'King Size Apricot'
£2.79 £2.09
approx 50 seeds In stock (shipped within 2-3 working days)
Callistephus chinensis Light Blue

25% off

Callistephus chinensis 'Light Blue'
£2.99 £2.24
approx 100 seeds In stock (shipped within 2-3 working days)
Callitriche stagnalis
Callitriche stagnalis
£19.99
5 × plants available to order from summer
Calluna vulgaris Dark Beauty
Calluna vulgaris 'Dark Beauty'
£8.99 - £22.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Calluna vulgaris Theresa (Garden Girls Series)
Calluna vulgaris 'Theresa' (Garden Girls Series)
£8.99 - £20.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Calycanthus Venus
Calycanthus 'Venus'
£109.99
12 litre pot | 50 - 80cm tall available to order from autumn
0.5 star 1 star 1 star 1 star 1 star
Calycanthus × raulstonii Hartlage Wine
Calycanthus × raulstonii 'Hartlage Wine'
£109.99
12 litre pot | 60 - 100cm tall 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 Sarastro
Campanula 'Sarastro'
£9.99 - £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
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
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
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