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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
Rate of Growth
Eventual size
Special features
Indoor plants by room
Bedding planting time
RHS Chelsea Flower Show plant of year
Sowing month inside or protected
Sowing month outside
Multibuy packs
Ready made borders
Planting combinations
Hardiness
Leaf colour
Ground cover
Position
Shape
Soil moisture
Used at RHS Chelsea Flower Show
Kitchen garden planting guidelines
Sort by relevance
All items
Showing Flowering month : September clear all
455 items
Delosperma cooperi Jewel of Desert Garnet (PBR) (Jewel of Desert Series)
Delosperma cooperi 'Jewel of Desert Garnet' (PBR) (Jewel of Desert Series)
From £7.99
available to order from summer
0.25 star 1 star 1 star 1 star 1 star 4.3 5 9 (9)
Erigeron Schneewittchen

New

Erigeron 'Schneewittchen'
From £8.99
available to order from summer
1 star 1 star 1 star 1 star 1 star 4.9 5 215 (215)
Euphorbia ceratocarpa
Euphorbia ceratocarpa
From £11.99
available to order from summer
Galega orientalis
Galega orientalis
From £8.99
available to order from summer
Geranium × oxonianum Rose Clair

New

Geranium × oxonianum 'Rose Clair'
From £11.99
available to order from summer
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)
Osteospermum Nairobi Purple
Osteospermum 'Nairobi Purple'
From £9.99
available to order from summer
Penstemon Stapleford Gem

New

Penstemon 'Stapleford Gem'
From £8.99
available to order from summer
Salvia Blue Butterflies

New

Salvia 'Blue Butterflies'
From £9.99
available to order from summer
Salvia × jamensis Violette de Loire ('Barsal') (PBR)

New

Salvia × jamensis Violette de Loire ('Barsal) (PBR)
From £11.99
available to order from summer
Sanguisorba Blackthorn

New

Sanguisorba 'Blackthorn'
From £17.99
available to order from summer
Verbascum Cherry Helen
Verbascum 'Cherry Helen'
From £12.99
available to order from summer
0.5 star 1 star 1 star 1 star 1 star 4.5 5 2 (2)
Verbascum Clementine
Verbascum 'Clementine'
From £12.99
available to order from summer
0.75 star 1 star 1 star 1 star 1 star 4.8 5 4 (4)
Verbascum Honey Dijon

New

Verbascum 'Honey Dijon'
£12.99
available to order from summer
Verbascum Primrose Path

New

Verbascum 'Primrose Path'
From £12.99
available to order from summer
Verbascum Peach Champagne (PBR)

New

Verbascum Peach Champagne (PBR)
From £12.99
available to order from summer
Vinca minor

Best Seller

Vinca minor
From £5.99
available to order from summer
0.75 star 1 star 1 star 1 star 1 star 4.7 5 25 (25)
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)
Delosperma cooperi Jewel of Desert Grenade (PBR) (Jewel of Desert Series)
Delosperma cooperi 'Jewel of Desert Grenade' (PBR) (Jewel of Desert Series)
£7.99
sold out
1 star 1 star 1 star 1 star 1 star 5.0 5 3 (3)
Viola Molly Sanderson

New

Viola 'Molly Sanderson'
From £9.99
sold out
Passiflora caerulea

Best Seller

Passiflora caerulea
From £17.99
available to order from summer
0.75 star 1 star 1 star 1 star 1 star (22)
Award-winning honeysuckle collection
Award-winning honeysuckle collection
£44.97
available to order from summer
Four seasons clematis collection
Four seasons clematis collection
£62.96
available to order from summer
Passion flower collection
Passion flower collection
£53.97
available to order from summer
Abutilon Canary Bird
Abutilon 'Canary Bird'
£32.99
available to order from summer
Billardiera heterophylla
Billardiera heterophylla
£29.99
available to order from summer
0.5 star 1 star 1 star 1 star 1 star (7)
Billardiera heterophylla Ultra Blue (PBR)
Billardiera heterophylla 'Ultra Blue' (PBR)
£29.99
available to order from summer
0.5 star 1 star 1 star 1 star 1 star (2)
Clematis Alionushka
Clematis 'Alionushka'
£28.95
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
Clematis Blue Eclipse
Clematis 'Blue Eclipse'
£27.99
available to order from summer
Clematis Daiyu ('Evipo083') (PBR)
Clematis Daiyu ('Evipo083') (PBR)
£27.99
available to order from summer
Clematis Filigree ('Evipo029') (PBR) (Tudor Patio Series)
Clematis Filigree ('Evipo029') (PBR) (Tudor Patio Series)
£29.95
available to order from summer
Clematis flammula
Clematis flammula
£32.99
available to order from summer
0.75 star 1 star 1 star 1 star 1 star (7)
Clematis florida var. normalis Pistachio ('Evirida') (PBR)
Clematis florida var. normalis Pistachio ('Evirida') (PBR)
£32.99
available to order from summer
Clematis Guiding Promise ('Evipo053') (PBR) (Boulevard Series)
Clematis Guiding Promise ('Evipo053') (PBR) (Boulevard Series)
£34.99
available to order from summer
Clematis integrifolia
Clematis integrifolia
£28.99
available to order from summer
Clematis John Howells ('Zojohnhowells') (PBR)
Clematis John Howells ('Zojohnhowells') (PBR)
£27.99
available to order from summer
Clematis patens Manshuu Ki
Clematis patens 'Manshuu Ki'
From £14.99
available to order from summer
Clematis Pernille ('Zo09113') (PBR)
Clematis Pernille ('Zo09113') (PBR)
£32.99
available to order from summer
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 summer
Clematis Viennetta ('Evipo006') (PBR)
Clematis Viennetta ('Evipo006') (PBR)
£34.99
available to order from summer
Clematis Etoile Rose
Clematis Étoile Rose
£28.95
available to order from summer
Corynabutilon × suntense
Corynabutilon × suntense
£49.99
available to order from summer
Lonicera periclymenum Chic et Choc ('Inov205') (PBR)

New

Lonicera periclymenum Chic et Choc ('Inov205') (PBR)
£27.99
available to order from summer
Pileostegia viburnoides
Pileostegia viburnoides
£42.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
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)
Abelia × grandiflora Kaleidoscope (PBR)
Abelia × grandiflora 'Kaleidoscope' (PBR)
From £22.99
available to order from summer
0.5 star 1 star 1 star 1 star 1 star (4)
Callistemon viminalis Hot Pink ('Kkho1') (PBR)
Callistemon viminalis Hot Pink ('Kkho1') (PBR)
£34.99
available to order from summer
Choisya ternata Scented Gem ('Lissbrid')

New

Choisya ternata Scented Gem ('Lissbrid')
£25.99
available to order from summer
Cuphea ignea Fiesta

New

Cuphea ignea 'Fiesta'
£19.99
available to order from summer
Daphne × transatlantica Summer Ice
Daphne × transatlantica 'Summer Ice'
£36.99
available to order from summer
Eucalyptus gunnii France Bleu ('Rengun') (PBR)

New

Eucalyptus gunnii France Bleu ('Rengun') (PBR)
£34.99
available to order from summer
Fuchsia magellanica 'Arauco'

New

Fuchsia magellanica 'Arauco'
£19.99
available to order from summer
Gardenia jasminoides Kleim's Hardy
Gardenia jasminoides 'Kleim's Hardy'
£26.75
available to order from summer
Itea ilicifolia
Itea ilicifolia
£44.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
Lavatera falcata Lilia Twirl (PBR)
Lavatera falcata 'Lilia Twirl' (PBR)
£22.99
available to order from summer
Magnolia grandiflora
Magnolia grandiflora
£44.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (6)
Parahebe catarractae Avalanche (PBR)
Parahebe catarractae 'Avalanche' (PBR)
£24.99
available to order from summer
Parahebe catarractae Pink Avalanche
Parahebe catarractae 'Pink Avalanche'
£24.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
Rhododendron Encore Autumn Prince

New

Rhododendron 'Encore Autumn Prince'
£29.99
available to order from summer
Veronica Caledonia
Veronica 'Caledonia'
£24.99
available to order from summer
0.75 star 1 star 1 star 1 star 1 star (11)
Veronica Mohawk
Veronica 'Mohawk'
£19.99
available to order from summer
Veronica Pink Pixie
Veronica 'Pink Pixie'
£19.99
available to order from summer
Veronica Starlight ('Marklight')
Veronica Starlight ('Marklight')
£19.99
available to order from summer
0 star 1 star 1 star 1 star 1 star (1)
Vinca minor Azurea Flore Pleno
Vinca minor 'Azurea Flore Pleno'
£17.99
available to order from summer
Callistemon Inferno ('Yanferno') (PBR)
Callistemon Inferno ('Yanferno') (PBR)
£26.99
sold out
Mahonia eurybracteata subsp. ganpinensis Meteor ('Hillmah') (PBR)
Mahonia eurybracteata subsp. ganpinensis Meteor ('Hillmah') (PBR)
£59.99
sold out
Award-winning crocosmia collection
Award-winning crocosmia collection
From £18.95
available to order from winter
Begonia collection for hanging baskets & pots
Begonia collection for hanging baskets and pots
From £11.95
available to order from winter
Scented begonia collection
Fragrant begonia collection
From £14.95
available to order from winter
Agapanthus Dokter Brouwer
Agapanthus 'Dokter Brouwer'
From £5.99
available to order from winter
Agapanthus Polar Ice
Agapanthus 'Polar Ice'
From £6.99
available to order from winter
Begonia Mother's Day
Begonia 'Mother's Day'
From £4.99
available to order from winter
0.75 star 1 star 1 star 1 star 1 star (3)
Begonia Pink Flamingo
Begonia 'Pink Flamingo'
From £4.99
available to order from winter
0.5 star 1 star 1 star 1 star 1 star (5)
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 Rosebud Tutu
Begonia 'Rosebud Tutu'
From £6.99
available to order from winter
Begonia Splendide Ballerina
Begonia 'Splendide Ballerina'
From £6.99
available to order from winter
Begonia (Pendula Group) Pink Giant
Begonia (Pendula Group) 'Pink Giant'
From £3.99
available to order from winter
1 star 1 star 1 star 1 star 1 star (2)
Begonia (Pendula Group) Red Giant
Begonia (Pendula Group) 'Red Giant'
From £3.99
available to order from winter
Begonia (Pendula Group) White Giant
Begonia (Pendula Group) 'White Giant'
From £3.99
available to order from winter
0.5 star 1 star 1 star 1 star 1 star (5)
Begonia × intermedia Bertinii
Begonia × intermedia 'Bertinii'
From £4.99
available to order from winter
1 star 1 star 1 star 1 star 1 star (1)
Dahlia Labyrinth
Dahlia 'Labyrinth'
From £5.99
available to order from winter
Pennisetum advena Rubrum
Pennisetum advena 'Rubrum'
From £14.99
available to order from summer
0 star 1 star 1 star 1 star 1 star (4)
Pennisetum orientale JS® Dance With Me (PBR)
Pennisetum orientale 'JS Dance With Me' (PBR)
From £14.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
Stipa ichu
Stipa ichu
From £11.99
available to order from summer
Osteospermum Soleo White
Osteospermum 'Soleo White'
From £7.99
available to order from winter
1 star 1 star 1 star 1 star 1 star (1)
Royal flush container plant collection
Royal flush container plant collection
£31.96
available to order from winter
Pelargonium Torrento
Pelargonium 'Torrento'
From £7.99
available to order from winter
1 star 1 star 1 star 1 star 1 star (1)
Chaenostoma Megacopa Blue
bacopa 'Megacopa Blue'
From £7.99
available to order from winter
0.5 star 1 star 1 star 1 star 1 star (2)
Chaenostoma cordatum Snowflake
bacopa 'Snowflake'
From £7.99
available to order from winter
1 star 1 star 1 star 1 star 1 star (3)
Calibrachoa Cabaret Bright Red ('Balcabrite') (PBR) (Cabaret Series)
Calibrachoa Cabaret Bright Red ('Balcabrite') (PBR) (Cabaret Series)
From £7.99
available to order from winter
0 star 1 star 1 star 1 star 1 star (3)
Effortless chic - Easyplanter for hanging baskets & patio pots

Best Seller

Effortless chic - Easyplanter for hanging baskets & patio pots
£26.99
available to order from winter
1 star 1 star 1 star 1 star 1 star (2)
Geranium White
Geranium 'White'
From £7.99
available to order from winter
0.5 star 1 star 1 star 1 star 1 star (8)
Pelargonium peltatum Sandy

New

ivy-leaf geranium 'Sandy'
From £7.99
available to order from winter
1 star 1 star 1 star 1 star 1 star (1)
Pelargonium peltatum Ville de Dresden Improved

New

ivy-leaf geranium 'Ville de Dresden Improved'
From £7.99
available to order from winter
Pelargonium peltatum Ville de Paris Lilac

New

ivy-leaf geranium 'Ville de Paris Lilac'
From £7.99
available to order from winter
0 star 1 star 1 star 1 star 1 star (1)
Pelargonium peltatum Ville de Paris Red

New

ivy-leaf geranium 'Ville de Paris Red'
From £7.99
available to order from winter
0 star 1 star 1 star 1 star 1 star (1)
Nemesia Framboise ('Fleurfram') (PBR)
Nemesia Framboise ('Fleurfram') (PBR)
From £6.99
available to order from winter
Osteospermum Soleo Glow

New

Osteospermum 'Soleo Glow'
From £7.99
available to order from winter
Osteospermum Blue Eyed Beauty ('Balostlueye') (PBR)
Osteospermum Blue Eyed Beauty ('Balostlueye') (PBR)
From £7.99
available to order from winter
0 star 0.5 star 1 star 1 star 1 star (2)
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