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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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RHS Chelsea Flower Show plant of year
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Used at RHS Chelsea Flower Show
Kitchen garden planting guidelines
Sort by popularity
All items
Showing Flowering month : September clear all
1115 items
Dahlia Dark Spirit
Dahlia 'Dark Spirit'
From £6.99
available to order from winter
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Dahlia David Howard
Dahlia 'David Howard'
From £5.79
available to order from winter
0.5 star 1 star 1 star 1 star 1 star 4.5 5 34 (34)
Dahlia Downham Royal
Dahlia 'Downham Royal'
From £5.99
available to order from winter
0.75 star 1 star 1 star 1 star 1 star 4.6 5 11 (11)
Dahlia Eveline
Dahlia 'Eveline'
From £5.99
available to order from winter
0.75 star 1 star 1 star 1 star 1 star 4.8 5 5 (5)
Dahlia French Cancan
Dahlia 'French Cancan'
From £5.99
available to order from winter
0 star 0.75 star 1 star 1 star 1 star 3.7 5 3 (3)
Dahlia Gallery Art Deco (Gallery Series)
Dahlia 'Gallery Art Deco' (Gallery Series)
From £5.99
available to order from winter
Dahlia Gallery Rembrandt (PBR) (Gallery Series)
Dahlia 'Gallery Rembrandt' (PBR) (Gallery Series)
From £5.99
available to order from winter
0.25 star 1 star 1 star 1 star 1 star 4.3 5 4 (4)
Dahlia Gipsy Night
Dahlia 'Gipsy Night'
From £5.49
available to order from winter
Dahlia Hawaiian Sunrise
Dahlia 'Hawaiian Sunrise'
From £5.99
available to order from winter
Dahlia Hollyhill Dark Beauty
Dahlia 'Hollyhill Dark Beauty'
From £5.99
available to order from winter
Dahlia Honka Cream
Dahlia 'Honka Cream'
£5.99
available to order from winter
Dahlia Honka Fragile
Dahlia 'Honka Fragile'
From £5.99
available to order from winter
0.75 star 1 star 1 star 1 star 1 star 4.6 5 8 (8)
Dahlia Honka Orange
Dahlia 'Honka Orange'
From £5.99
available to order from winter
Dahlia Ivanetti
Dahlia 'Ivanetti'
From £6.49
available to order from winter
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Dahlia Jowey Frambo
Dahlia 'Jowey Frambo'
From £6.79
available to order from winter
Dahlia Jowey Merel
Dahlia 'Jowey Merel'
From £5.99
available to order from winter
Dahlia Jowey Midnight
Dahlia 'Jowey Midnight'
From £5.99
available to order from winter
Dahlia Jowey Winnie
Dahlia 'Jowey Winnie'
From £6.49
available to order from winter
Dahlia Ka’s Champagne
Dahlia 'Ka’s Champagne'
From £5.99
available to order from winter
Dahlia Labyrinth
Dahlia 'Labyrinth'
From £5.99
available to order from winter
Dahlia Lava Glow
Dahlia 'Lava Glow'
£5.99
available to order from winter
Dahlia Linda's Baby
Dahlia 'Linda's Baby'
From £5.99
available to order from winter
Dahlia Ludwig Helfert
Dahlia 'Ludwig Helfert'
From £5.99
available to order from winter
Dahlia Marie Schnugg
Dahlia 'Marie Schnugg'
From £5.99
available to order from winter
Dahlia Mexican Star
Dahlia 'Mexican Star'
From £5.99
available to order from winter
1 star 1 star 1 star 1 star 1 star (1)
Dahlia Missis Miley
Dahlia 'Missis Miley'
From £5.99
available to order from winter
1 star 1 star 1 star 1 star 1 star (1)
Dahlia Moonfire
Dahlia 'Moonfire'
From £5.99
available to order from winter
0.75 star 1 star 1 star 1 star 1 star (7)
Dahlia Mount Tacoma
Dahlia 'Mount Tacoma'
From £5.99
available to order from winter
0 star 1 star 1 star 1 star 1 star (2)
Dahlia Nathalie G
Dahlia 'Nathalie G'
From £5.79
available to order from winter
Dahlia Nuit d'Eté
Dahlia 'Nuit d'Eté'
From £5.79
available to order from winter
1 star 1 star 1 star 1 star 1 star (4)
Dahlia Oleda
Dahlia 'Oleda'
From £5.99
available to order from winter
Dahlia Orfeo
Dahlia 'Orfeo'
From £5.99
available to order from winter
1 star 1 star 1 star 1 star 1 star (3)
Dahlia Paso Doble Dancer
Dahlia 'Paso Doble Dancer'
From £5.99
available to order from winter
Dahlia Penhill Dark Monarch
Dahlia 'Penhill Dark Monarch'
From £6.99
available to order from winter
1 star 1 star 1 star 1 star 1 star (1)
Dahlia Penhill Watermelon
Dahlia 'Penhill Watermelon'
From £6.99
available to order from winter
Dahlia Polka
Dahlia 'Polka'
£5.99
available to order from winter
Dahlia Preference
Dahlia 'Preference'
From £5.99
available to order from winter
Dahlia Purple Flame (PBR)
Dahlia 'Purple Flame' (PBR)
From £5.99
available to order from winter
Dahlia Purple Gem
Dahlia 'Purple Gem'
From £5.99
available to order from winter
0.25 star 1 star 1 star 1 star 1 star (6)
Dahlia Rhubarb and Custard (Sweet Candy Series)
Dahlia 'Rhubarb and Custard' (Sweet Candy Series)
From £5.99
available to order from winter
Dahlia Rip City
Dahlia 'Rip City'
From £5.79
available to order from winter
0.75 star 1 star 1 star 1 star 1 star (7)
Dahlia Seniors Darkness
Dahlia 'Seniors Darkness'
From £5.99
available to order from winter
0 star 0.5 star 1 star 1 star 1 star (2)
Dahlia Skyfall
Dahlia 'Skyfall'
From £5.99
available to order from winter
Dahlia Snowbound
Dahlia 'Snowbound'
From £5.99
available to order from winter
Dahlia Spartacus' Senior
Dahlia 'Spartacus' Senior'
From £5.99
available to order from winter
0 star 1 star 1 star 1 star 1 star (2)
Dahlia Sturm Sweet Maria
Dahlia 'Sturm Sweet Maria'
From £5.99
available to order from winter
Dahlia Sweet Love
Dahlia 'Sweet Love'
From £5.99
available to order from winter
Dahlia Sweet Suzanne
Dahlia 'Sweet Suzanne'
From £5.99
available to order from winter
0 star 0 star 1 star 1 star 1 star (1)
Dahlia Waltzing Mathilda
Dahlia 'Waltzing Mathilda'
From £5.79
available to order from winter
0.25 star 1 star 1 star 1 star 1 star (3)
Dahlia White Isa
Dahlia 'White Isa'
From £5.99
available to order from winter
Dahlia Wine Eyed Jill
Dahlia 'Wine Eyed Jill'
From £5.99
available to order from winter
Dahlia Dahlegria Tricolore ('Dahlgr85') (PBR) (Dahlegria Series)
Dahlia Dahlegria Tricolore ('Dahlgr85') (PBR) (Dahlegria Series)
From £5.99
available to order from winter
0 star 0 star 0 star 0 star 1 star (1)
Dahlia Dragon Ball ('Vdtg31') (PBR) (Dark Angel Series)
Dahlia Dragon Ball ('Vdtg31') (PBR) (Dark Angel Series)
From £5.99
available to order from winter
Dahlia Pretty Woman ('Vdtg43') (PBR) (Dark Angel Series)
Dahlia Pretty Woman ('Vdtg43') (PBR) (Dark Angel Series)
From £5.99
available to order from winter
0 star 0.75 star 1 star 1 star 1 star (7)
Dahlia Taxi Driver ('Vdtg57') (PBR) (Dark Angel Series)
Dahlia Taxi Driver ('Vdtg57') (PBR) (Dark Angel Series)
From £5.99
available to order from winter
1 star 1 star 1 star 1 star 1 star (1)
Gladiolus mixed colours
Gladiolus mixed colours
From £12.99
available to order from winter
1 star 1 star 1 star 1 star 1 star (8)
Gladiolus murielae
Gladiolus murielae
From £6.99
available to order from winter
0 star 0.75 star 1 star 1 star 1 star (22)
Nerine bowdenii
Nerine bowdenii
From £5.99
available to order from winter
0 star 0.25 star 1 star 1 star 1 star (7)
Nerine bowdenii Ostara
Nerine bowdenii 'Ostara'
From £5.99
available to order from winter
0 star 0 star 0 star 1 star 1 star (1)
Dahlia merckii

New

Dahlia merckii
From £5.99
available to order from autumn
1 star 1 star 1 star 1 star 1 star (2)
Hakonechloa macra Aureola
Hakonechloa macra 'Aureola'
From £12.99
available to order from autumn
0.5 star 1 star 1 star 1 star 1 star (9)
Pennisetum alopecuroides Little Bunny
Pennisetum alopecuroides 'Little Bunny'
From £9.99
available to order from autumn
Sesleria argentea

New

Sesleria argentea
£9.99
available to order from spring 2027
Miscanthus sinensis Lady in Red

New

Miscanthus sinensis 'Lady in Red'
From £12.99
available to order from spring 2027
0 star 0 star 0 star 0.5 star 1 star (2)
Miscanthus sinensis Piccolo Rubino ('AM2021-1') (PBR)

New

Miscanthus sinensis Piccolo Rubino ('AM2021-1') (PBR)
£24.99
available to order from spring 2027
Miscanthus sinensis Spiral Flame ('8') (PBR)

New

Miscanthus sinensis Spiral Flame ('8') (PBR)
£24.99
available to order from spring 2027
Molinia caerulea Banshee (PBR)

New

Molinia caerulea 'Banshee' (PBR)
From £12.99
available to order from spring 2027
Pennisetum advena Fireworks (PBR)

New

Pennisetum advena 'Fireworks' (PBR)
From £12.99
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star (1)
Pennisetum orientale JS® Dance With Me (PBR)
Pennisetum orientale 'JS Dance With Me' (PBR)
From £14.99
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star (1)
Stipa lessingiana
Stipa lessingiana
From £11.99
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star (2)
Molinia caerulea Moorhexe

New

Molinia caerulea 'Moorhexe'
From £9.99
available to order from autumn
Schizachyrium scoparium Standing Ovation (PBR)

New

Schizachyrium scoparium 'Standing Ovation' (PBR)
From £19.99
available to order from autumn
Stipa calamagrostis
Stipa calamagrostis
From £9.99
available to order from autumn
0 star 1 star 1 star 1 star 1 star (4)
Stipa ichu
Stipa ichu
From £11.99
available to order from autumn
Hakonechloa macra Beni-kaze
Hakonechloa macra 'Beni-kaze'
From £12.99
sold out
Pennisetum Tiny Tails (PBR)

New

Pennisetum Tiny Tails (PBR)
From £9.99
sold out
Rosa Mum in a Million ('Poulren013') (PBR)
Rosa Mum in a Million (Renaissance Series) ('Poulren013') (PBR) | Rose
£28.99 £17.39
available to order from autumn
1 star 1 star 1 star 1 star 1 star (16)
Rosa Princesse Charlene de Monaco ('Meidysouk')
Rosa Princesse Charlene de Monaco ('Meidysouk') | Shrub Rose
£32.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (2)
Rosa Amirose ('Korhulth 005') (PBR)

New

Rosa Amirose ® ('Korhulth 005') (PBR) | Groundcover Rose
£32.99
available to order from autumn
Rosa Flower Carpet Coral ('Norlesa') (PBR)
Rosa Flower Carpet Coral ('Norlesa') (PBR) | Ground Cover Rose
£26.99 £16.19
available to order from autumn
1 star 1 star 1 star 1 star 1 star (1)
Rosa gallica var. officinalis
Rosa gallica var. officinalis | Apothecarys Shrub Rose
£28.99
available to order from autumn
1 star 1 star 1 star 1 star 1 star (1)
Rudbeckia hirta Enchanted Velvet Flame
Rudbeckia hirta 'Enchanted Velvet Flame'
From £9.99
available to order from autumn
0.75 star 1 star 1 star 1 star 1 star (3)
Verbena Endurascape Dark Purple ('Balendakle')
Verbena Endurascape Dark Purple ('Balendakle')
From £7.99
available to order from winter
Nemesia Wisley Vanilla
Nemesia 'Wisley Vanilla'
From £7.99
sold out
0.5 star 1 star 1 star 1 star 1 star (8)
Salvia Sea of Butterflies mixed
Salvia farinacea Sea of Butterflies mixed
£29.99
sold out
0 star 1 star 1 star 1 star 1 star (5)
Pink mist container plant collection
Pink mist container plant collection
£31.96
available to order from winter
Royal flush container plant collection
Royal flush container plant collection
£31.96
available to order from winter
Calibrachoa Chameleon Blueberry Scone ('Wescachablusc')
Calibrachoa Chameleon Blueberry Scone ('Wescachablusc')
From £7.99
available to order from winter
0 star 0 star 0.75 star 1 star 1 star (3)
Dianthus Pink Kisses ('Kledg12163') (PBR)

Best Seller

Dianthus Pink Kisses ('Kledg12163') (PBR)
From £7.99
available to order from winter
1 star 1 star 1 star 1 star 1 star (6)
Fuchsia Dollar Prinzessin
Fuchsia 'Dollar Prinzessin'
From £7.99
available to order from winter
0.75 star 1 star 1 star 1 star 1 star (6)
Nemesia Lady Penelope

New

Nemesia 'Lady Penelope'
From £7.99
sold out
0 star 0.25 star 1 star 1 star 1 star (3)
Trusted friend - Easyplanter for hanging baskets & patio pots
Trusted friend - Easyplanter for hanging baskets & patio pots
From £26.99
sold out
0 star 0 star 0.5 star 1 star 1 star (2)
Chocolate orange container plant collection
Chocolate orange container plant collection
£31.96
available to order from winter
Purple sunshine container plant collection
Purple sunshine container plant collection
£31.96
available to order from winter
Summer nights container plant collection
Summer nights container plant collection
£31.96
available to order from winter
Endless scent container plant collection

New

Endless scent container plant collection
£31.96
available to order from winter
Pink and purple container plant collection
Pink & purple container plant collection
£23.98
sold out
Sunburst container plant collection
Sunburst container plant collection
From £22.98
sold out
Sweet pinks container plant collection
Sweet pinks container plant collection
£21.98
sold out
Angelonia Archangel Fuchsia

New

Angelonia 'Archangel Fuchsia'
From £7.99
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star (2)
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