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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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Indoor plants by room
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Used at Chelsea
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All items
Showing Flowering month : September clear all
99 items
Cosmos bipinnatus Hummingbird Lilac

25% off

Cosmos bipinnatus 'Hummingbird Lilac'
£3.49 £2.62
approx 40 seeds In stock (shipped within 2-3 working days)
Dahlia merckii

New

Up to 25%

Dahlia merckii
£4.12 - £35.98
approx 10 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)
2 + 1 FREE 2 litre pots In stock (shipped within 2-3 working days)
1 × tuber available to order from winter
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Lathyrus odoratus Mollie Rilstone

25% off

Lathyrus odoratus 'Mollie Rilstone'
£2.89 £2.17
approx 20 seeds In stock (shipped within 2-3 working days)
Lathyrus odoratus Noel Sutton

25% off

Lathyrus odoratus 'Noel Sutton'
£1.42 - £13.98
approx 20 seeds In stock (shipped within 2-3 working days)
9cm pot | 5 - 7 seedlings available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Lathyrus odoratus Spencer Waved Mixed

25% off

Lathyrus odoratus 'Spencer Waved Mixed'
£2.99 - £13.98
approx 35 seeds In stock (shipped within 2-3 working days)
9cm pot | 5 - 7 seedlings available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Lathyrus odoratus Top Hat

25% off

Lathyrus odoratus 'Top Hat'
£2.99 £2.24
approx 20 seeds In stock (shipped within 2-3 working days)
Phlox drummondii Crème Brûlée

25% off

Phlox drummondii 'Crème Brûlée'
£2.49 £1.87
approx 200 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Agastache Blue Fortune
Agastache 'Blue Fortune'
£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)
0.75 star 1 star 1 star 1 star 1 star 4.7 5 39
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 × 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 3.9 5 9
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
0.5 star 1 star 1 star 1 star 1 star 4.5 5 6
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
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
Clematis Guernsey Flute ('EviGsy153') (PBR)
Clematis Guernsey Flute ('EviGsy153') (PBR)
£34.99
3 litre pot | 60cm cane In stock (shipped within 2-3 working days)
Clematis Rollercoaster ('Zo16170') (PBR)
Clematis Rollercoaster ('Zo16170')
£23.50
2 litre pot | 60cm cane In stock (shipped within 2-3 working days)
Corynabutilon × suntense
Corynabutilon × suntense
£49.99
3 litre pot In stock (shipped within 2-3 working days)
Fuchsia Spion Kop

50% off

Fuchsia 'Spion Kop'
£3.50 - £6.99
9cm pot In stock (shipped within 2-3 working days)
2 + 1 FREE 9cm pots In stock (shipped within 2-3 working days)
Geranium Lilac Ice
Geranium 'Lilac Ice'
£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)
0.75 star 1 star 1 star 1 star 1 star 4.9 5 7
Geranium clarkei Kashmir White
Geranium clarkei 'Kashmir White'
£9.99 - £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)
0.75 star 1 star 1 star 1 star 1 star 4.8 5 5
Hibiscus syriacus Gandini Santiago (PBR)
Hibiscus syriacus 'Gandini Santiago' (PBR)
£29.99
2 litre pot In stock (shipped within 2-3 working days)
Hosta Orange Marmalade
Hosta 'Orange Marmalade'
£14.99 - £32.99
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
Lavandula angustifolia Melissa Lilac ('Dow4') (PBR)
Lavandula angustifolia Melissa Lilac ('Dow4') (PBR)
£7.99 - £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)
0.75 star 1 star 1 star 1 star 1 star
Limonium gmelinii Dazzle Rocks ('Ste10') (PBR)
Limonium gmelinii Dazzle Rocks ('Ste10') (PBR)
£12.99 - £29.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Lindernia grandiflora
Lindernia grandiflora
£6.99 - £29.99
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)
Nepeta racemosa Walker's Low
Nepeta racemosa 'Walker's Low'
£8.99 - £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)
0.75 star 1 star 1 star 1 star 1 star
Parahebe catarractae Pink Avalanche
Parahebe catarractae 'Pink Avalanche'
£24.99
2 litre pot In stock (shipped within 2-3 working days)
Pelargonium quercifolium

50% off

Pelargonium quercifolium
£4.00 - £7.99
9cm pot In stock (shipped within 2-3 working days)
2 + 1 FREE 9cm pots In stock (shipped within 2-3 working days)
Penstemon Pensham Laura (Pensham Series)
Penstemon 'Pensham Laura' (Pensham Series)
£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
Salvia Cool Cream
Salvia 'Cool Cream'
£9.99 - £42.99
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)
Salvia nemorosa Amethyst
Salvia nemorosa 'Amethyst'
£8.99 - £44.99
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
0.5 star 1 star 1 star 1 star 1 star
Salvia Oriental Dove ('Dysmau') (PBR)
Salvia Oriental Dove ('Dysmau') (PBR)
£9.99 - £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)
1 star 1 star 1 star 1 star 1 star
Sanguisorba hakusanensis Lilac Squirrel
Sanguisorba hakusanensis 'Lilac Squirrel'
£14.99 - £55.99
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
Symphyotrichum Coombe Fishacre
Symphyotrichum 'Coombe Fishacre'
£9.99 - £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)
Thalictrum delavayi
Thalictrum delavayi
£9.99 - £36.99
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)
0.75 star 1 star 1 star 1 star 1 star
Thalictrum delavayi Hewitt's Double
Thalictrum delavayi 'Hewitt's Double'
£14.99 - £59.99
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)
3 × 2 litre pots In stock (shipped within 2-3 working days)
0 star 1 star 1 star 1 star 1 star
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
Viola Etain
Viola 'Etain'
£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)
Phalaenopsis Split
Phalaenopsis 'Split'
£24.99 - £34.98
12cm pot | 60cm tall In stock (shipped within 1-2 working days)
with white glazed pot In stock (shipped within 2-3 working days)
with olive glazed pot In stock (shipped within 2-3 working days)
with blue glazed pot In stock (shipped within 2-3 working days)
with mustard glazed pot In stock (shipped within 2-3 working days)
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
Streptocarpus Alexis
Grown in the UK
Streptocarpus 'Alexis'
£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
Streptocarpus Betty
Grown in the UK
Streptocarpus 'Betty'
£17.99 - £35.98
1 × rooted cutting Delivery by trusted supplier within 1 week
2 + 1 FREE rooted cuttings Delivery by trusted supplier within 1 week
Streptocarpus Lemon Sorbet
Grown in the UK
Streptocarpus 'Lemon Sorbet'
£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
Clematis Sacha ('Evipo060') (PBR)
Clematis Sacha ('Evipo060')
£34.99
3 litre pot | 60cm cane shipped within 2 weeks
Agastache and Angelica plant combination
Agastache & Angelica plant combination
£65.94
6 × plants | 3 of each In stock (shipped within 2-3 working days)
Agastache and Helenium plant combination
Agastache & Helenium plant combination
£59.94
6 × plants | 3 of each In stock (shipped within 2-3 working days)
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)
Classic cottage alba amethyst combination
Classic cottage alba amethyst combination
£39.96 - £119.88
4 plants | 1 of each In stock (shipped within 2-3 working days)
12 plants | 3 of each In stock (shipped within 2-3 working days)
Dark and rich sweet pea collection
Dark & rich sweet pea collection
£7.27 £4.92
1 × collection available to order from autumn
Dots & spires plant combination
Dots & spires plant combination
£30.97
3 × plants In stock (shipped within 2-3 working days)
Garden jewels dahlia collection
Garden jewels dahlia collection
£14.62 - £29.25
1 × collection | 3 tubers available to order from winter
2 + 1 FREE collections | 9 tubers available to order from winter
Lathyrus latifolius collection
Lathyrus latifolius collection
£29.99 - £59.98
1 × collection available to order from autumn
2 + 1 FREE collections available to order from autumn
Lavish and lush sweet pea collection
Lavish & lush sweet pea collection
£7.27 £4.92
1 × collection available to order from autumn
Long flowering plant combination (pink, purple and white)
Long-flowering plant combination (pink, purple & white)
£35.96
4 × plants | 1 of each available to order from autumn
Nepeta and terracotta pot combination
Nepeta & terracotta pot combination
£166.96
Pastel sweet pea collection
Pastel sweet pea collection
£9.27 £6.93
1 × collection available to order from autumn
Sarah's Chelsea pink & lavender combination
Sarah's Chelsea 'pink & lavender combination'
£76.96
4 plants | 1 of each available to order from autumn
Sarah's Chelsea pink & lavender combination
Sarah's Chelsea 'pink & lavender combination'
£71.96
4 plants | 1 of each available to order from autumn
Soft pinks dahlia collection
Soft pinks 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
Tom's Chelsea Woodland Sanctuary collection 'Lush shade'
Tom's Chelsea 'Woodland Sanctuary collection 'Lush shade''
£40.96 - £122.88
4 plants | 1 of each available to order from autumn
12 plants | 3 of each available to order from autumn
Trusted friend container plant collection
Trusted friend container plant collection
£32.97 - £65.94
1 × bedding collection | 15 plants sold out
2+1 FREE bedding collections | 45 plants sold out
Crocus speciosus

10% off

Crocus speciosus
£5.39 - £14.40
15 × bulbs Delivered during September
45 × bulbs Delivered during September
1 star 1 star 1 star 1 star 1 star
Althaea officinalis
Althaea officinalis
£9.99 - £22.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Buddleja 'Bressingham Bountiful'

New

Buddleja 'Bressingham Bountiful'
£24.99
2 litre pot available to order from autumn
Buddleja davidii Grand Cascade
Buddleja davidii 'Grand Cascade'
£26.99
2 litre pot available to order from autumn
Campanula lactiflora Loddon Anna
Campanula lactiflora 'Loddon Anna'
£8.99 - £44.99
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
0.5 star 1 star 1 star 1 star 1 star
Clematis Betty Corning
Clematis 'Betty Corning'
£26.95
3 litre pot | 60cm cane available to order from autumn
Clematis Dark Eyes
Clematis 'Dark Eyes'
£22.95
3 litre pot | 60cm cane available to order from autumn
0.25 star 1 star 1 star 1 star 1 star
Clematis Pernille ('Zo09113') (PBR)
Clematis Pernille ('Zo09113') (PBR)
£26.95
2 litre pot | 60cm cane available to order from autumn
Clematis Prince William ('Zo08171') (PBR)
Clematis Prince William ('Zo08171') (PBR)
£24.95
2 litre pot | 60cm cane available to order from autumn
Clematis Reflections ('Evipo035') (PBR)
Clematis Reflections ('Evipo035')
£34.99
3 litre pot | 60cm cane available to order from autumn
Clematis Tranquilité ('Evipo111') (PBR) (Boulevard Series)
Clematis Tranquilité ('Evipo111') (PBR) (Boulevard Series)
£32.95
3 litre pot | 60cm cane available to order from autumn
Fuchsia Heidi Ann
Fuchsia 'Heidi Ann'
£3.50 - £6.99
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Hydrangea Boléro Blue
Hydrangea 'Boléro Blue'
£24.99
2 litre pot available to order from autumn
Lathyrus odoratus Karen Louise
Lathyrus odoratus 'Karen Louise'
£3.49 £2.62
approx 20 seeds available to order from autumn
1 star 1 star 1 star 1 star 1 star
Lathyrus odoratus Pluto
Lathyrus odoratus 'Pluto'
£2.99 £2.24
approx 20 seeds available to order from autumn
Lavatera falcata Lilia Twirl (PBR)

New

Lavatera falcata 'Lilia Twirl' (PBR)
£22.99
2 litre pot available to order from autumn
Pelargonium Patricia
Pelargonium 'Patricia'
£6.99 - £17.99
10.5cm pot available to order from autumn
3 × 10.5cm pots available to order from autumn
Phlox paniculata Franz Schubert
Phlox paniculata 'Franz Schubert'
£17.99 - £39.99
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
0 star 0 star 1 star 1 star 1 star
Rosa Blue for You ('Pejamblu') (PBR)
Rosa Blue for You ('Pejamblu') (PBR) | Floribunda Bush Rose
£28.99 £14.50
4 litre pot available to order from autumn
Rosa Eyes for You ('Pejbigeye') (PBR)
Rosa Eyes For You ('Pejbigeye') (PBR) | Floribunda Rose
£28.99 £14.50
4 litre pot available to order from autumn
Rosa Lavender Ice ('Tan04249') (PBR)
Rosa Lavender Ice ('Tan04249') (PBR) | Floribunda Bush Rose
£29.99 £15.00
4 litre pot available to order from autumn
Rosa My Lovely Dad ('Fryniche') (PBR)
Rosa My Lovely Dad ('Fryniche') (PBR) | Floribunda Bush Rose
£26.99 £13.50
4 litre pot available to order from autumn
Rosa Pacific Blue ('Tan98485')
Rosa Pacific Blue ('Tan98485') | Hybrid Tea Rose
£39.99 £20.00
4 litre pot available to order from autumn
Salvia SoCool Pale Blue (PBR)

New

Salvia 'SoCool Pale Blue' (PBR)
£9.99 - £24.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Syringa meyeri Flowerfesta Pink ('Anny200817') (PBR) (Flowerfesta Series)
Syringa meyeri Flowerfesta Pink ('Anny200817') (PBR) (Flowerfesta Series)
£32.99
3 litre pot available to order from autumn
Syringa meyeri Flowerfesta White ('Anny200810') (PBR) (Flowerfesta Series)
Syringa meyeri Flowerfesta White ('Anny200810') (PBR) (Flowerfesta Series)
£34.99
3 litre pot available to order from autumn
Tulbaghia violacea
Tulbaghia violacea
£12.99 - £27.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Verbena Enchantment Purple (Enchantment Series)
Verbena 'Enchantment Purple' (Enchantment 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
5 × rooted cuttings sold out
10 + 5 FREE rooted cuttings sold out
Verbena rigida f. lilacina Polaris

New

Verbena rigida f. lilacina 'Polaris'
£9.99 - £39.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
Dahlia Blue Boy
Dahlia 'Blue Boy'
£4.94 - £12.60
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
Dahlia Evanah
Dahlia 'Evanah'
£4.85 - £11.48
1 × tuber available to order from winter
3 × tubers available to order from winter
Dahlia Karma Prospero (PBR)
Dahlia 'Karma Prospero' (PBR)
£4.94 - £11.25
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
Dahlia Kiev
Dahlia 'Kiev'
£4.94 - £12.60
1 × tuber available to order from winter
3 × tubers available to order from winter
Dahlia Silver Years
Dahlia 'Silver Years'
£4.85 - £13.50
1 × tuber available to order from winter
3 × tubers available to order from winter
Dahlia Vassio Meggos
Dahlia 'Vassio Meggos'
£5.39 - £13.50
1 × tuber available to order from winter
3 × tubers available to order from winter
Dahlia Happy Single Wink ('HS Wink') (PBR) (Happy Single Series)
Dahlia Happy Single Wink ('HS Wink') (PBR) (Happy Single Series)
£4.94 - £12.60
1 × tuber available to order from winter
3 × tubers available to order from winter
0.25 star 1 star 1 star 1 star 1 star
Geranium Showstopper Mixed
Geranium 'Showstopper Mixed'
£39.99
40 + 20 FREE seedlings sold out
1 star 1 star 1 star 1 star 1 star
Osteospermum Purple Sun ('Kleoe19396') (FlowerPower Series)
Osteospermum Purple Sun ('Kleoe19396') (FlowerPower Series)
£12.99
5 × rooted cuttings sold out
Stocks Fragrance Mixed (10 Week Mixed)
Stocks 'Fragrance Mixed'
£14.99 - £29.99
20 seedlings available to order from winter
40 + 20 FREE seedlings sold out
0.25 star 1 star 1 star 1 star 1 star

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