loading
Close
Sort by
Show
By type
Facing
How much sun
Soil type
Special conditions
Flower colour
Evergreen / deciduous
Fragrance
Attractive to wildlife
Quick growing
Eventual size
Indoor plants by room
Bulb planting time
Bulb divisions
Depth of water
Bedding planting time
Chelsea plant of year
Sowing month inside or protected
Sowing month outside
Vegetable harvesting month
Vegetable groups
Multibuy packs
Plant me now
Planting combinations
Sale
Plant Seasons
RHS Spring catalogue 2021
RHS Summer catalogue 2021
RHS Autumn catalogue 2021
Hardy
Leaf colour
Ground cover
Position
Shape
Soil moisture
Kitchen garden planting guidelines

Plants that Flower in September

Results found: 1800
Clematis tangutica
From £17.99
View options
RHS award of garden merit
Colchicum autumnale Album
From £6.99
View options
RHS award of garden merit
Crocosmia Hellfire

20% off

Use code SALE10

From £11.99
View options
RHS award of garden merit
Crocosmia Paul's Best Yellow
From £9.99
View options
Crocosmia Orange Pekoe ('Pek Or') (PBR)
From £11.99
View options
Cymbidium Flamingo Pink
From £60.99
View options
New
Cymbidium Ginger Bread
From £60.99
View options
New
Cymbidium Icing Sugar
From £60.99
View options
New
Cymbidium Jingle Bells
From £60.99
View options
New
Cymbidium Sinterklaas
From £60.99
View options
Dahlia Islander
From £17.99
View options
Pollinator
Dahlia Strawberry Bon Bon (Sweet Candy Series)
From £17.99
View options
RHS award of garden merit
Daphne × transatlantica Eternal Fragrance ('Blafra') (PBR)
From £27.99
View options
Dianthus I Love U ('Kledp20383') (PBR)
From £4.79
View options
Diascia Aurora Apricot (Towers of Flowers Series)
From £6.99
View options
Diascia Diamond White Blush
From £6.99
View options
Diascia personata Hopleys
From £8.99
View options
Echinacea Flame Thrower (PBR)
From £14.99
View options
Pollinator
Echinacea Harvest Moon (PBR) (Big Sky Series)
From £12.99
View options
Echinacea Tiki Torch (PBR)
From £14.99
View options
Echinacea Tomato Soup (PBR)
From £14.99
View options
Pollinator
Echinacea purpurea Vintage Wine (PBR)
From £14.99
View options
Pollinator
Echinacea purpurea White Swan
From £9.99
View options
Pollinator
Echinacea SunSeekers Rainbow ('IFECSSRA') (PBR) (SunSeekers Series)
From £14.99
View options
New
Echinacea SunSeekers Red ('Apecssired') (SunSeekers Series)
From £14.99
View options
Pollinator
Erigeron karvinskianus Lavender Lady
From £8.99
View options
Eryngium yuccifolium
From £12.99
View options
Pollinator
Euphorbia Silver Fog White Improved
From £6.99
View options
Pollinator
Fatsia japonica Tsumugi-shibori

30% off

Use code SALE10

From £12.99
View options
Felicia amelloides
From £6.99
View options
RHS award of garden merit
Fuchsia Lady Thumb
From £19.99
View options
New
Galega orientalis
From £8.99
View options
Pollinator
Gazania Christopher Lloyd
From £6.99
View options
Geranium White
From £4.19
View options
RHS award of garden merit
Geranium maderense
From £12.99
View options
Pollinator
Geranium Sabani Blue ('Bremigo') (PBR)
From £12.99
View options
Pollinator
Geranium wallichianum Kelly Anne (PBR)
From £15.99
View options
Geranium wallichianum Havana Blues ('Noorthava') (PBR)
From £14.99
View options
Gerbera Garvinea Sweet Memories ('Garsweetmemo') (PBR) (Garvinea Sweet Series)
From £6.99
View options
Gerbera Sweet Glow ('Garglow') (PBR) (Garvinea Sweet Series)
From £6.99
View options
Gerbera 'Sweet Sunset' (Garvinea Sweet Series)
From £6.99
View options
New
Geum Scarlet Tempest ('Macgeu001') (PBR) (Tempest Series)
From £10.99
View options
RHS award of garden merit
Glandularia Claret
From £7.99
View options
RHS award of garden merit
Hakonechloa macra Alboaurea
From £19.99
View options
Pollinator
Heliopsis helianthoides var. scabra Summer Nights
From £9.99
View options
RHS award of garden merit
Heptacodium miconioides
From £89.99
View options
Pollinator
Hesperantha coccinea Ice Maiden
From £12.99
View options
Hesperantha coccinea Mrs Hegarty
From £11.99
View options
New
Hibiscus moscheutos Carousel Red Wine ('Tahi61') (PBR)
From £12.99
View options
Become an RHS Member today and save 25% on your first year