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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 RHS Chelsea Flower Show
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All items
Showing Flowering month : September clear all
666 items
Oenothera lindheimeri Whiskers Deep Rose
Oenothera lindheimeri 'Whiskers Deep Rose'
From £9.99
available to order from spring 2027
Osteospermum Nairobi Purple
Osteospermum 'Nairobi Purple'
From £9.99
available to order from spring 2027
Salvia × jamensis Violette de Loire ('Barsal') (PBR)

New

Salvia × jamensis Violette de Loire ('Barsal) (PBR)
From £11.99
available to order from spring 2027
Symphyotrichum novae-angliae Helen Picton
Symphyotrichum novae-angliae 'Helen Picton'
From £9.99
available to order from spring 2027
Verbascum Honey Dijon

New

Verbascum 'Honey Dijon'
£12.99
available to order from spring 2027
Agapanthus BlackJack ('Dwaghyb02') (PBR)
Agapanthus BlackJack ('Dwaghyb02') (PBR)
From £16.99
available to order from summer
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Aster amellus King George
Aster amellus 'King George'
From £9.99
available to order from summer
1 star 1 star 1 star 1 star 1 star 5.0 5 6 (6)
Oenothera lindheimeri Cherry Brandy ('Gauchebra') (PBR)
Oenothera lindheimeri Cherry Brandy ('Gauchebra')
From £8.99
available to order from summer
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Oenothera lindheimeri Freefolk Rosy ('Harrfolk')
Oenothera lindheimeri Freefolk Rosy ('Harrfolk')
From £9.99
available to order from summer
0.5 star 1 star 1 star 1 star 1 star 4.4 5 5 (5)
Phlox paniculata Franz Schubert
Phlox paniculata 'Franz Schubert'
From £17.99
available to order from summer
0 star 0 star 1 star 1 star 1 star 3.0 5 2 (2)
Viola Etain
Viola 'Etain'
From £8.99
available to order from summer
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Clematis Rebecca ('Evipo016') (PBR) (Boulevard Series)
Clematis Rebecca ('Evipo016') (PBR) (Boulevard Series)
£29.99
available to order from spring 2027
0.5 star 1 star 1 star 1 star 1 star 4.5 5 15 (15)
Lonicera periclymenum Serotina
Lonicera periclymenum 'Serotina'
From £14.99
available to order from summer
0.25 star 1 star 1 star 1 star 1 star 4.2 5 9 (9)
Clematis Jackmanii
Clematis 'Jackmanii'
From £14.99
available to order from spring 2027
0.75 star 1 star 1 star 1 star 1 star 4.8 5 4 (4)
Award-winning honeysuckle collection
Award-winning honeysuckle collection
£44.97
available to order from spring 2027
Award-winning late-summer flowering clematis collection
Award-winning late-summer flowering clematis collection
£44.97
available to order from summer
Award-winning summer flowering clematis collection
Award-winning summer flowering clematis collection
£44.97
available to order from spring 2027
Lathyrus latifolius collection
Lathyrus latifolius collection
From £29.99
available to order from spring 2027
Passion flower collection
Passion flower collection
£53.97
available to order from spring 2027
Clematis Kokonoe (PBR)
Clematis 'Kokonoe' (PBR)
£29.99
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Clematis Little Nell
Clematis 'Little Nell'
£27.99
available to order from spring 2027
Clematis Taiga (PBR)
Clematis 'Taiga' (PBR)
£29.99
available to order from spring 2027
0.25 star 1 star 1 star 1 star 1 star (6)
Clematis Bijou ('Evipo030') (PBR) (Tudor Patio Series)
Clematis Bijou ('Evipo030') (PBR) (Tudor Patio Series)
£27.99
available to order from spring 2027
Clematis Edda ('Evipo074') (PBR) (Boulevard Series)
Clematis Edda ('Evipo074') (PBR) (Boulevard Series)
£28.99
available to order from spring 2027
Clematis Pernille ('Zo09113') (PBR)
Clematis Pernille ('Zo09113') (PBR)
£32.99
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star (1)
Clematis Pompeii ('Evipo116') (Boulevard Series)
Clematis Pompeii ('Evipo116') (Boulevard Series)
£31.95
available to order from spring 2027
Clematis Rollercoaster ('Zo16170') (PBR)
Clematis Rollercoaster ('Zo16170')
£29.99
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star (2)
Clematis Sacha ('Evipo060') (PBR)
Clematis Sacha ('Evipo060')
£34.99
available to order from spring 2027
0 star 1 star 1 star 1 star 1 star (1)
Clematis Tsukiko ('Evipo110') (PBR) (Garland Series)
Clematis Tsukiko ('Evipo110') (PBR) (Garland Series)
£29.99
available to order from spring 2027
Clematis Viennetta ('Evipo006') (PBR)
Clematis Viennetta ('Evipo006') (PBR)
£34.99
available to order from spring 2027
Clematis viticella
Clematis viticella
£27.99
available to order from spring 2027
Clematis viticella Flore Pleno
Clematis viticella 'Flore Pleno'
£29.99
available to order from spring 2027
0.5 star 1 star 1 star 1 star 1 star (5)
Clematis Zara ('Evipo062') (PBR) (Boulevard Series)
Clematis Zara ('Evipo062') (PBR) (Boulevard Series)
£34.99
available to order from spring 2027
Corynabutilon × suntense
Corynabutilon × suntense
£49.99
available to order from spring 2027
Clematis Amethyst Beauty ('Evipo043') (PBR)
Clematis Amethyst Beauty ('Evipo043') (PBR)
£32.99
available to order from summer
Clematis Happy Birthday ('Zohapbi') (PBR)
Clematis Happy Birthday ('Zohapbi') (PBR)
£28.99
available to order from summer
0 star 1 star 1 star 1 star 1 star (1)
Clematis Kingfisher ('Evipo037') (PBR)
Clematis Kingfisher ('Evipo037') (PBR)
£39.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
Clematis × aromatica
Clematis × aromatica
£29.95
available to order from summer
0 star 0 star 0 star 1 star 1 star (1)
Clematis Kaiu
Clematis 'Kaiu'
£27.99
available to order from winter
Lavandula angustifolia Imperial Gem
Lavandula angustifolia 'Imperial Gem'
From £7.99
available to order from summer
0.5 star 1 star 1 star 1 star 1 star (7)
Lavandula angustifolia Melissa Lilac ('Dow4') (PBR)
Lavandula angustifolia Melissa Lilac ('Dow4') (PBR)
From £7.99
available to order from summer
0.75 star 1 star 1 star 1 star 1 star (4)
Buddleja Little Rock Stars Red ('Botex 009') (PBR)

New

Buddleja Little Rock Stars Red ('Botex 009') (PBR)
£27.99
available to order from spring 2027
Hibiscus syriacus Purple Chiffon ('Rwoods8') (PBR) (Chiffon Series)

New

Hibiscus syriacus Purple Chiffon ('Rwoods8') (PBR) (Chiffon Series)
£29.99
available to order from spring 2027
Hydrangea macrophylla Dark Angel Red
Hydrangea macrophylla 'Dark Angel Red'
£17.99
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star (10)
Lavatera falcata Lilia Twirl (PBR)
Lavatera falcata 'Lilia Twirl' (PBR)
£22.99
available to order from spring 2027
Veronica Caledonia
Veronica 'Caledonia'
£24.99
available to order from spring 2027
0.75 star 1 star 1 star 1 star 1 star (11)
Veronica Mohawk
Veronica 'Mohawk'
£19.99
available to order from spring 2027
Buddleja Little Lila (’BotEx 004’) (PBR) (Butterfly Candy Series)
Buddleja Little Lila (’BotEx 004’) (PBR) (Butterfly Candy Series)
£26.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (2)
Fuchsia magellanica 'Arauco'

New

Fuchsia magellanica 'Arauco'
£19.99
available to order from summer
Hydrangea aspera Villosa Group
Hydrangea aspera 'Villosa Group'
£32.99
available to order from summer
0.75 star 1 star 1 star 1 star 1 star (5)
Hydrangea macrophylla Kardinal Violet
Hydrangea macrophylla 'Kardinal Violet'
£19.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (2)
Hydrangea macrophylla Lanarth White
Hydrangea macrophylla 'Lanarth White'
From £19.99
available to order from summer
0 star 0.5 star 1 star 1 star 1 star (7)
Hydrangea macrophylla Little Purple
Hydrangea macrophylla 'Little Purple'
£19.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (3)
Hydrangea macrophylla Deep Purple Dance ('Schrolla02') (PBR) (Music Series)
Hydrangea macrophylla Deep Purple Dance ('Schrolla02')(PBR) (Music Series)
£19.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
Hydrangea macrophylla Midnight Pearl ('Hokomamipe') (PBR)
Hydrangea macrophylla Midnight Pearl ('Hokomamipe') (PBR)
£24.99
available to order from summer
Hydrangea quercifolia Snowflake ('Brido')
Hydrangea quercifolia Snowflake ('Brido')
£27.99
available to order from summer
Vinca minor Azurea Flore Pleno
Vinca minor 'Azurea Flore Pleno'
£17.99
available to order from summer
Hibiscus syriacus Marina
Hibiscus syriacus 'Marina'
£29.99
sold out
Hydrangea Preziosa
Hydrangea 'Preziosa'
From £24.99
sold out
Hydrangea aspera Hot Chocolate ('Haopr012') (PBR)
Hydrangea aspera Hot Chocolate ('Haopr012') (PBR)
£29.99
sold out
Antique peach dahlia collection
Antique peach dahlia collection
From £30.45
available to order from winter
Berry dahlia collection

Best Seller

Berry dahlia collection
From £29.75
available to order from winter
Bruised dahlia collection
Bruised dahlia collection
From £16.99
available to order from winter
Burnt sugar dahlia collection
Burnt sugar dahlia collection
From £18.95
available to order from winter
Coffee and cream dahlia collection
Coffee & cream dahlia collection
From £23.95
available to order from winter
Last days of summer dahlia collection
Last days of summer dahlia collection
From £23.95
available to order from winter
Peach dahlia collection
Peach dahlia collection
From £17.75
available to order from winter
Pink champagne dahlia collection

Best Seller

Pink champagne dahlia collection
From £27.45
available to order from winter
Bees and butterflies dahlia collection

Best Seller

Bees & butterflies dahlia collection
From £23.95
available to order from winter
Chocolate orange pollinator dahlia collection
Chocolate orange pollinator dahlia collection
From £17.99
available to order from winter
1 star 1 star 1 star 1 star 1 star (1)
Purple dahlia collection
Purple dahlia collection
£17.75
available to order from winter
Ashley's flight of the butterflies dahlia collection
Ashley's flight of the butterflies dahlia collection
From £29.25
available to order from winter
Award-winning border favourite dahlia collection
Award-winning border favourite dahlia collection
From £15.99
available to order from winter
Award-winning dahlia collection for pots
Award-winning dahlia collection for pots
From £17.75
available to order from winter
John's pollinator 5 varieties dahlia collection
John's pollinator 5 varieties dahlia collection
From £28.45
available to order from winter
John's pollinator dahlia collection
John's pollinator dahlia collection
From £17.75
available to order from winter
Lucy's go your own way 3 varieties dahlia collection
Lucy's 'Go your own way' 3 varieties dahlia collection
From £17.95
available to order from winter
Lucy's border dahlia collection
Lucy's border dahlia collection
From £29.95
available to order from winter
Lucy's get off my cloud dahlia collection
Lucy's get off my cloud dahlia collection
From £23.75
available to order from winter
Lucy's go your own way 5 varieties dahlia collection
Lucy's go your own way 5 varieties dahlia collection
From £28.95
available to order from winter
Tangerine twist 3 varieties dahlia collection
Tangerine twist 3 varieties dahlia collection
From £16.99
available to order from winter
Tangerine twist 5 varieties dahlia collection
Tangerine twist 5 varieties dahlia collection
From £28.95
available to order from winter
Velvet dahlia collection
Velvet dahlia collection
From £23.75
available to order from winter
Dahlia Floorinoor

New

Dahlia 'Floorinoor'
From £5.99
available to order from winter
A tale of summer blooms dahlia collection
A tale of summer blooms dahlia collection
From £18.95
available to order from winter
Burnt orange dahlia collection
Burnt orange dahlia collection
From £15.99
available to order from winter
Candyfloss dahlia collection
Candyfloss dahlia collection
From £23.95
available to order from winter
Coffee and cream 5 varieties dahlia collection
Coffee & cream 5 varieties dahlia collection
From £29.95
available to order from winter
Cutting garden dahlia collection
Cutting garden dahlia collection
From £28.95
available to order from winter
Mulberry twirl dahlia collection
Mulberry twirl dahlia collection
From £29.25
available to order from winter
Plums and peaches dahlia collection
Plum & peaches dahlia collection
From £12.90
available to order from winter
Proud Mary dahlia collection
Proud Mary dahlia collection
From £23.25
available to order from winter
Velvet 5 varieties dahlia collection
Velvet 5 varieties dahlia collection
From £29.75
available to order from winter
Award-winning crocosmia collection
Award-winning crocosmia collection
From £18.95
available to order from winter
Classic Canna collection
Classic canna collection
From £28.95
available to order from winter
Scented begonia collection
Fragrant begonia collection
From £14.95
available to order from winter
Tropicanna Cannas
Tropicanna canna collection
From £33.95
available to order from winter
Amaryllis belladonna
Amaryllis belladonna
From £6.99
available to order from winter
1 star 1 star 1 star 1 star 1 star (1)
Begonia Red Glory
Begonia 'Red Glory'
From £4.99
available to order from winter
0 star 0 star 0 star 0 star 1 star (1)
Begonia Splendide Ballerina
Begonia 'Splendide Ballerina'
From £6.99
available to order from winter
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