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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
Facing
How much sun
Soil type
Special conditions
Curated Collections
Flower colour
Evergreen / deciduous
Fragrance
Attractive to wildlife
Quick growing
Eventual size
Special features
Indoor plants by room
Bulb divisions
Bedding planting time
RHS Chelsea Flower Show plant of year
Sowing month inside or protected
Sowing month outside
Vegetable harvesting month
Multibuy packs
Ready made borders
Planting combinations
Hardy
Leaf colour
Ground cover
Position
Shape
Soil moisture
Used at RHS Chelsea Flower Show
Kitchen garden planting guidelines
Sort by highest price
All items
Showing Flowering month : September clear all
512 items
Dahlia Jowey Merel
Dahlia 'Jowey Merel'
From £4.79
available to order from summer
Dahlia Jowey Midnight
Dahlia 'Jowey Midnight'
From £4.79
available to order from summer
Dahlia Ka’s Champagne
Dahlia 'Ka’s Champagne'
From £4.79
available to order from summer
Dahlia Linda's Baby
Dahlia 'Linda's Baby'
From £4.79
available to order from winter
Dahlia Missis Amy
Dahlia 'Missis Amy'
From £4.79
available to order from winter
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Dahlia Missis Miley
Dahlia 'Missis Miley'
From £4.79
available to order from winter
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Dahlia Mondriaan
Dahlia 'Mondriaan'
From £4.79
available to order from winter
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Dahlia Mount Tacoma
Dahlia 'Mount Tacoma'
From £4.79
available to order from winter
0 star 1 star 1 star 1 star 1 star 4.0 5 2 (2)
Dahlia Oleda
Dahlia 'Oleda'
From £4.79
available to order from winter
Dahlia Paso Doble Dancer
Dahlia 'Paso Doble Dancer'
From £4.79
available to order from winter
Dahlia Pepita Pink
Dahlia 'Pepita Pink'
From £4.79
available to order from winter
0 star 0 star 1 star 1 star 1 star 3.0 5 1 (1)
Dahlia Preference
Dahlia 'Preference'
From £4.79
available to order from winter
Dahlia Prinzessa ('Ariko 10-16')
Dahlia Prinzessa ('Ariko 10-16')
From £4.79
available to order from summer
Dahlia Salmon Runner
Dahlia 'Salmon Runner'
From £4.79
available to order from winter
Dahlia Seniors Hope
Dahlia 'Seniors Hope'
From £4.79
available to order from winter
Dahlia Silver Years
Dahlia 'Silver Years'
From £4.79
available to order from winter
Dahlia Statue of Orange
Dahlia 'Statue of Orange'
From £4.79
available to order from winter
Dahlia Strawberry Cream
Dahlia 'Strawberry Cream'
From £4.79
available to order from winter
Dahlia Sturm Christel
Dahlia 'Sturm Christel'
From £4.79
available to order from summer
Dahlia Sweet Love
Dahlia 'Sweet Love'
From £4.79
available to order from winter
Dahlia Sweet Suzanne
Dahlia 'Sweet Suzanne'
From £4.79
available to order from winter
0 star 0 star 1 star 1 star 1 star (1)
Dahlia Dahlegria Tricolore ('Dahlgr85') (PBR) (Dahlegria Series)
Dahlia Dahlegria Tricolore ('Dahlgr85') (PBR) (Dahlegria Series)
From £4.79
available to order from winter
0 star 0 star 0 star 0 star 1 star (1)
Dahlia Platinum Blonde
Dahlia 'Platinum Blonde'
From £4.79
available to order from winter
Dahlia Snowbound
Dahlia 'Snowbound'
From £4.79
available to order from winter
Dahlia Petras Wedding
Dahlia 'Petras Wedding'
From £4.79
available to order from winter
Dahlia Cafe au Lait Rosé
Dahlia 'Cafe au Lait Rosé'
From £4.79
available to order from winter
1 star 1 star 1 star 1 star 1 star (1)
Dahlia Rhubarb and Custard (Sweet Candy Series)
Dahlia 'Rhubarb and Custard' (Sweet Candy Series)
From £4.79
available to order from winter
Dahlia Honka Orange

New

Dahlia 'Honka Orange'
From £4.79
available to order from winter
Dahlia Cafe au Lait Twist

New

Dahlia 'Cafe au Lait Twist'
From £4.79
available to order from winter
Dahlia Sturm Sweet Maria

New

Dahlia 'Sturm Sweet Maria'
From £4.79
available to order from winter
Dahlia Marie Schnugg

New

Dahlia 'Marie Schnugg'
From £4.79
available to order from winter
Dahlia Gallery Art Deco (Gallery Series)

New

Dahlia 'Gallery Art Deco' (Gallery Series)
From £4.79
available to order from winter
Dahlia Dragon Ball ('Vdtg31') (PBR) (Dark Angel Series)

New

Dahlia Dragon Ball ('Vdtg31') (PBR) (Dark Angel Series)
From £4.79
available to order from winter
Dahlia Taxi Driver ('Vdtg57') (PBR) (Dark Angel Series)

New

Dahlia Taxi Driver ('Vdtg57') (PBR) (Dark Angel Series)
From £4.79
available to order from winter
1 star 1 star 1 star 1 star 1 star (1)
Dahlia Ludwig Helfert

New

Dahlia 'Ludwig Helfert'
From £4.79
available to order from winter
Dahlia Copperboy

New

Dahlia 'Copperboy'
From £4.79
available to order from winter
Dahlia Skyfall

New

Dahlia 'Skyfall'
£5.99 £4.79
sold out
Dahlia Polka

New

Dahlia 'Polka'
£5.99 £4.79
sold out
Dahlia Lava Glow

New

Dahlia 'Lava Glow'
£5.99 £4.79
sold out
Dahlia Honka Cream

New

Dahlia 'Honka Cream'
£5.99 £4.79
sold out
Dahlia Chat Noir

20% off

Dahlia 'Chat Noir'
From £4.63
3 litre pot
2 + 1 FREE 3 litre pots
0.5 star 1 star 1 star 1 star 1 star (10)
Dahlia Nuit d'Eté

20% off

Dahlia 'Nuit d'Eté'
From £4.63
3 litre pot
2 + 1 FREE 3 litre pots
1 star 1 star 1 star 1 star 1 star (4)
Dahlia Rip City

20% off

Dahlia 'Rip City'
From £4.63
3 litre pot
2 + 1 FREE 3 litre pots
0.75 star 1 star 1 star 1 star 1 star (7)
Dahlia David Howard
Dahlia 'David Howard'
From £4.63
available to order from winter
0.5 star 1 star 1 star 1 star 1 star (34)
Dahlia Bishop of Oxford
Dahlia 'Bishop of Oxford'
From £4.63
available to order from winter
0 star 1 star 1 star 1 star 1 star (1)
Dahlia Bishop of Canterbury (PBR)

20% off

Dahlia 'Bishop of Canterbury' (PBR)
From £4.63
3 litre pot
2 + 1 FREE 3 litre pots
1 star 1 star 1 star 1 star 1 star (2)
Dahlia Thomas A. Edison

20% off

Dahlia 'Thomas A. Edison'
From £4.63
3 litre pot
2 + 1 FREE 3 litre pots
0.75 star 1 star 1 star 1 star 1 star (5)
Dahlia Burlesca
Dahlia 'Burlesca'
From £4.63
available to order from winter
Dahlia Waltzing Mathilda

20% off

Dahlia 'Waltzing Mathilda'
From £4.63
3 litre pot
2 + 1 FREE 3 litre pots
0 star 1 star 1 star 1 star 1 star (2)
Dahlia Evanah
Dahlia 'Evanah'
From £4.63
available to order from winter
Dahlia Nathalie G
Dahlia 'Nathalie G'
From £4.63
available to order from winter
Dahlia American Dawn

20% off

Dahlia 'American Dawn'
From £4.39
3 litre pot
2 + 1 FREE 3 litre pots
0.5 star 1 star 1 star 1 star 1 star (17)
Dahlia Gipsy Night
Dahlia 'Gipsy Night'
From £4.39
available to order from winter
Dahlia Mango Madness

New

Dahlia 'Mango Madness'
£5.49 £4.39
sold out
Dahlia Cafe au Lait
Dahlia 'Café au Lait'
From £4.31
available to order from winter
0.75 star 1 star 1 star 1 star 1 star (18)
Dahlia Totally Tangerine

20% off

Dahlia 'Totally Tangerine'
From £4.31
3 litre pot
2 + 1 FREE 3 litre pots
1 star 1 star 1 star 1 star 1 star (10)
Dahlia Verrones Obsidian

20% off

Dahlia 'Verrone's Obsidian'
From £4.31
3 litre pot
2 + 1 FREE 3 litre pots
0.75 star 1 star 1 star 1 star 1 star (4)
Begonia × intermedia Bertinii
Begonia × intermedia 'Bertinii'
From £3.99
available to order from winter
1 star 1 star 1 star 1 star 1 star (1)
Aster chinensis Silver Blue

New

Aster chinensis 'Silver Blue'
£4.99 £3.99
available to order from summer
Lathyrus odoratus High Scent
Lathyrus odoratus 'High Scent'
£4.79 £3.83
available to order from summer
Matthiola incana Column Apricot

20% off

Matthiola incana 'Column Apricot'
£4.49 £3.59
approx 100 seeds
Lathyrus odoratus Spencer Waved Mixed

20% off

Lathyrus odoratus 'Spencer Waved Mixed'
From £3.19
approx 35 seeds
Lathyrus odoratus White Frills
Lathyrus odoratus 'White Frills'
£3.99 £3.19
available to order from summer
Rhodochiton atrosanguineus

20% off

Rhodochiton atrosanguineus
£3.99 £3.19
approx 10 seeds
Rudbeckia triloba Prairie Glow

New

20% off

Rudbeckia triloba 'Prairie Glow'
£3.99 £3.19
approx 25 seeds
Persicaria orientalis Cerise Pearls

20% off

Persicaria orientalis 'Cerise Pearls'
£3.99 £3.19
approx 100 seeds
Lathyrus Prince of Orange

New

20% off

Lathyrus 'Prince of Orange'
£3.99 £3.19
approx 20 seeds
Lathyrus odoratus Lisa Marie
Lathyrus odoratus 'Lisa Marie'
£3.89 £3.11
available to order from summer
Lathyrus odoratus Cupani

20% off

Lathyrus odoratus 'Cupani'
From £3.03
approx 20 seeds
0 star 1 star 1 star 1 star 1 star (1)
Stipa tenuissima

Best Seller

20% off

Stipa tenuissima
From £3.03
approx 30 seeds
9cm pot
2 litre pot
3 × 9cm pots
+ 1 more available
0.75 star 1 star 1 star 1 star 1 star (57)
Cosmos bipinnatus Xsenia

20% off

Cosmos bipinnatus 'Xsenia'
From £3.03
9cm pot
2 + 1 FREE 9cm pots
0 star 0 star 1 star 1 star 1 star (2)
Lathyrus odoratus Karen Louise
Lathyrus odoratus 'Karen Louise'
£3.49 £2.79
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
Lathyrus odoratus Painted Lady

20% off

Lathyrus odoratus 'Painted Lady'
From £2.79
approx 20 seeds
0 star 0 star 1 star 1 star 1 star (1)
Rudbeckia hirta Cherry Brandy

New

20% off

Rudbeckia hirta 'Cherry Brandy'
£3.49 £2.79
approx 25 seeds
Lathyrus odoratus Charlie's Angel
Lathyrus odoratus 'Charlie's Angel'
From £2.79
available to order from summer
0.25 star 1 star 1 star 1 star 1 star (5)
Lathyrus odoratus Winston Churchill

20% off

Lathyrus odoratus 'Winston Churchill'
From £2.79
approx 20 seeds
Lathyrus × hammettii Erewhon

20% off

Lathyrus × hammettii 'Erewhon'
From £2.79
approx 20 seeds
Lathyrus odoratus Matucana

20% off

Lathyrus odoratus 'Matucana'
From £2.71
approx 20 seeds
0.25 star 1 star 1 star 1 star 1 star (10)
Lathyrus odoratus Blue Velvet

New

20% off

Lathyrus odoratus 'Blue Velvet'
From £2.71
approx 20 seeds
Matthiola incana Rainbow Mixture

40% off

Matthiola incana 'Rainbow Mixture'
£4.49 £2.69
approx 100 seeds
Lathyrus odoratus Daphne
Lathyrus odoratus 'Daphne'
From £2.63
available to order from summer
Lathyrus odoratus Frolic
Lathyrus odoratus 'Frolic'
£3.29 £2.63
available to order from summer
Lathyrus odoratus Leamington

20% off

Lathyrus odoratus 'Leamington'
From £2.63
approx 20 seeds
Lathyrus odoratus Mollie Rilstone

20% off

Lathyrus odoratus 'Mollie Rilstone'
From £2.63
approx 20 seeds
Lathyrus odoratus Mrs Bernard Jones
Lathyrus odoratus 'Mrs Bernard Jones'
£3.29 £2.63
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
Lathyrus odoratus Midnight

20% off

Lathyrus odoratus 'Midnight'
From £2.63
approx 20 seeds
1 star 1 star 1 star 1 star 1 star (2)
Lathyrus odoratus Dorothy Eckford
Lathyrus odoratus 'Dorothy Eckford'
£3.29 £2.63
available to order from summer
Lathyrus odoratus Noel Sutton

20% off

Lathyrus odoratus 'Noel Sutton'
From £2.39
approx 20 seeds
Lathyrus odoratus Windsor
Lathyrus odoratus 'Windsor'
£2.99 £2.39
available to order from summer
Lathyrus odoratus Bobby's Girl
Lathyrus odoratus 'Bobby's Girl'
£2.99 £2.39
available to order from summer
Lotus corniculatus

20% off

Lotus corniculatus
£2.99 £2.39
approx 100 seeds
0 star 1 star 1 star 1 star 1 star (2)
Lathyrus odoratus Top Hat

20% off

Lathyrus odoratus 'Top Hat'
From £2.39
approx 20 seeds
Lathyrus odoratus Eclipse
Lathyrus odoratus 'Eclipse'
£2.99 £2.39
available to order from summer
Lathyrus odoratus Almost Black
Lathyrus odoratus 'Almost Black'
£2.99 £2.39
available to order from summer
Lathyrus odoratus Jilly

20% off

Lathyrus odoratus 'Jilly'
£2.99 £2.39
approx 20 seeds
Cosmos bipinnatus Velouette

40% off

Cosmos bipinnatus 'Velouette'
£3.99 £2.39
approx 30 seeds
Oenothera versicolor Sunset Boulevard

New

20% off

Oenothera versicolor 'Sunset Boulevard'
£2.99 £2.39
approx 100 seeds
Rudbeckia hirta Marmalade

New

20% off

Rudbeckia hirta 'Marmalade'
£2.99 £2.39
approx 450 seeds
Cosmos bipinnatus Candy Stripe

20% off

Cosmos bipinnatus 'Candy Stripe'
£2.99 £2.39
approx 100 seeds
1 star 1 star 1 star 1 star 1 star (1)
Lathyrus odoratus Old Fashioned mixed

New

20% off

sweet pea 'Old Fashioned mixed'
£2.99 £2.39
approx 30 seeds
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