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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
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All items
Showing Flowering month : September clear all
1814 items
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 My Angel (PBR)
Clematis 'My Angel' (PBR)
£29.99
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star 5.0 5 4 (4)
Clematis Pangbourne Pink
Clematis 'Pangbourne Pink'
£29.99
available to order from spring 2027
Clematis Perle d'Azur
Clematis 'Perle d'Azur'
From £14.99
available to order from spring 2027
0.5 star 1 star 1 star 1 star 1 star 4.4 5 10 (10)
Clematis Romantika
Clematis 'Romantika'
From £14.99
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star 5.0 5 8 (8)
Clematis Royal Velours
Clematis 'Royal Velours'
£22.95
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star 5.0 5 4 (4)
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 4.2 5 6 (6)
Clematis Avant-garde ('Evipo033') (PBR)
Clematis Avant-garde ('Evipo033') (PBR)
£35.99
available to order from spring 2027
Clematis Bijou ('Evipo030') (PBR) (Tudor Patio Series)
Clematis Bijou ('Evipo030') (PBR) (Tudor Patio Series)
£27.99
available to order from spring 2027
Clematis Daiyu ('Evipo083') (PBR)
Clematis Daiyu ('Evipo083') (PBR)
£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 Filigree ('Evipo029') (PBR) (Tudor Patio Series)
Clematis Filigree ('Evipo029') (PBR) (Tudor Patio Series)
£29.95
available to order from spring 2027
Clematis flammula
Clematis flammula
£32.99
available to order from spring 2027
0.75 star 1 star 1 star 1 star 1 star 4.7 5 7 (7)
Clematis florida var. normalis Pistachio ('Evirida') (PBR)
Clematis florida var. normalis Pistachio ('Evirida') (PBR)
£32.99
available to order from spring 2027
Clematis Guiding Promise ('Evipo053') (PBR) (Boulevard Series)
Clematis Guiding Promise ('Evipo053') (PBR) (Boulevard Series)
£34.99
available to order from spring 2027
Clematis heracleifolia Cassandra
Clematis heracleifolia 'Cassandra'
£29.99
available to order from spring 2027
Clematis integrifolia
Clematis integrifolia
£28.99
available to order from spring 2027
Clematis Issey ('Evipo081') (PBR)
Clematis Issey ('Evipo081') (PBR)
£34.99
available to order from spring 2027
Clematis John Howells ('Zojohnhowells') (PBR)
Clematis John Howells ('Zojohnhowells') (PBR)
£27.99
available to order from spring 2027
Clematis patens Manshuu Ki
Clematis patens 'Manshuu Ki'
From £14.99
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 rehderiana
Clematis rehderiana
£28.95
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 Sarah Elizabeth ('Evipo098') (PBR) (Boulevard Series)
Clematis Sarah Elizabeth ('Evipo098') (PBR) (Boulevard Series)
£29.99
available to order from spring 2027
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
Clematis Etoile Rose
Clematis Étoile Rose
£28.95
available to order from spring 2027
Corynabutilon × suntense
Corynabutilon × suntense
£49.99
available to order from spring 2027
Lathyrus latifolius White Pearl
Lathyrus latifolius 'White Pearl'
From £14.99
available to order from spring 2027
0 star 0.75 star 1 star 1 star 1 star (7)
Lonicera periclymenum Heaven Scent
Lonicera periclymenum 'Heaven Scent'
£29.99
available to order from spring 2027
0.5 star 1 star 1 star 1 star 1 star (13)
Lonicera periclymenum Sweet Sue
Lonicera periclymenum 'Sweet Sue'
£29.99
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star (1)
Lonicera periclymenum Chic et Choc ('Inov205') (PBR)

New

Lonicera periclymenum Chic et Choc ('Inov205') (PBR)
£27.99
available to order from spring 2027
Lonicera sempervirens
Lonicera sempervirens
£29.99
available to order from spring 2027
Tropaeolum speciosum
Tropaeolum speciosum
£44.99
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star (1)
Clematis Dark Eyes
Clematis 'Dark Eyes'
£22.95
available to order from summer
0.25 star 1 star 1 star 1 star 1 star (3)
Clematis Gravetye Beauty
Clematis 'Gravetye Beauty'
From £14.99
available to order from summer
0 star 0 star 1 star 1 star 1 star (1)
Clematis Mrs Cholmondeley
Clematis 'Mrs Cholmondeley'
From £14.99
available to order from summer
Clematis Prince Charles
Clematis 'Prince Charles'
From £14.99
available to order from summer
0.5 star 1 star 1 star 1 star 1 star (8)
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 Jackmanii Purpurea ('Zojapur') (PBR)
Clematis Jackmanii Purpurea ('Zojapur') (PBR)
£27.99
available to order from summer
Clematis Sea Breeze ('Zo09063') (PBR)
Clematis Sea Breeze ('Zo09063') (PBR)
£29.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (3)
Clematis The Countess of Wessex ('Evipo073') (PBR) (Boulevard Series)
Clematis The Countess of Wessex ('Evipo073') (PBR) (Boulevard Series)
£27.99
available to order from summer
Clematis White Arabella ('Zo14089') (PBR)
Clematis White Arabella ('Zo14089') (PBR)
£34.99
available to order from summer
Hydrangea hydrangeoides var. hydrangeoides Roseum
Hydrangea hydrangeoides var. hydrangeoides 'Roseum'
£34.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (2)
Passiflora Amethyst
Passiflora 'Amethyst'
From £17.99
available to order from summer
0 star 0.75 star 1 star 1 star 1 star (3)
Passiflora Snow Queen
Passiflora 'Snow Queen'
£32.99
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)
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 davidii White Profusion
Buddleja davidii 'White Profusion'
From £19.99
available to order from summer
0.75 star 1 star 1 star 1 star 1 star (12)
Hydrangea quercifolia Snow Queen ('Flemygea')
Hydrangea quercifolia Snow Queen ('Flemygea')
From £29.99
available to order from summer
0.5 star 1 star 1 star 1 star 1 star (7)
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
Callistemon viminalis Hot Pink ('Kkho1') (PBR)
Callistemon viminalis Hot Pink ('Kkho1') (PBR)
£34.99
available to order from spring 2027
Calycanthus × raulstonii Hartlage Wine
Calycanthus × raulstonii 'Hartlage Wine'
£99.99
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star (1)
Ceratostigma willmottianum Forest Blue ('Lice') (PBR)
Ceratostigma willmottianum Forest Blue ('Lice') (PBR)
£26.99
available to order from spring 2027
0.75 star 1 star 1 star 1 star 1 star (11)
Daphne × transatlantica Summer Ice
Daphne × transatlantica 'Summer Ice'
£36.99
available to order from spring 2027
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