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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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Ready made borders
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Used at RHS Chelsea Flower Show
Kitchen garden planting guidelines
Sort by availability
All items
Showing Flowering month : September clear all
1817 items
Weed-smothering mini-border collection
Weed-smothering mini-border collection
£57.99
6 × 9cm plants
White pearls container plant collection
White pearls container plant collection
£20.98
available to order from winter
0 star 1 star 1 star 1 star 1 star 4.0 5 1 (1)
Year round groundcover plant combination
Year-round groundcover plant combination
£39.96
4 × plants | 1 of each
Abutilon Canary Bird
Abutilon 'Canary Bird'
£32.99
available to order from spring 2027
Agapanthus Headbourne hybrids
Agapanthus 'Headbourne hybrids'
From £14.99
available to order from spring 2027
0 star 0.5 star 1 star 1 star 1 star 3.5 5 4 (4)
Agapanthus Fireworks ('Mdb001') (PBR)
Agapanthus Fireworks ('Mdb001') (PBR)
From £15.99
9cm pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Alstroemeria Valley Wild ('Tesvalwild') (Summer Paradise - Valley Series)
Alstroemeria Valley Wild ('Tesvalwild') (Summer Paradise - Valley Series)
From £22.99
available to order from spring 2027
Anemopsis californica
Anemopsis californica
From £24.99
3 litre aquatic pot
Angelica sylvestris Vicar's Mead
Angelica sylvestris 'Vicar's Mead'
From £13.99
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Aponogeton distachyos
Aponogeton distachyos
From £29.99
available to order from spring 2027
0 star 1 star 1 star 1 star 1 star 4.0 5 2 (2)
Billardiera heterophylla
Billardiera heterophylla
£29.99
available to order from spring 2027
0.5 star 1 star 1 star 1 star 1 star 4.4 5 7 (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
Calibrachoa Cabaret Double Pink Vein

New

Calibrachoa 'Cabaret Double Pink Vein'
From £5.99
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 5.0 5 1 (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 4.8 5 11 (11)
Chaenostoma Galactic Mist White

New

Chaenostoma 'Galactic Mist White'
From £7.99
available to order from spring 2027
Clematis Alba Luxurians
Clematis 'Alba Luxurians'
£27.99
available to order from spring 2027
Clematis Betty Corning
Clematis 'Betty Corning'
£26.95
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Clematis Blue Eclipse
Clematis 'Blue Eclipse'
£27.99
available to order from spring 2027
Clematis Emilia Plater
Clematis 'Emilia Plater'
£27.99
available to order from spring 2027
Clematis Fond Memories
Clematis 'Fond Memories'
£29.99
available to order from spring 2027
0.25 star 1 star 1 star 1 star 1 star (8)
Clematis Fujimusume
Clematis 'Fujimusume'
£27.99
available to order from spring 2027
Clematis Jackmanii
Clematis 'Jackmanii'
From £14.99
available to order from spring 2027
0.75 star 1 star 1 star 1 star 1 star (4)
Clematis John Huxtable
Clematis 'John Huxtable'
£29.99
available to order from spring 2027
Clematis Kokonoe (PBR)
Clematis 'Kokonoe' (PBR)
£29.99
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star (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 (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 (10)
Clematis Romantika
Clematis 'Romantika'
From £14.99
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star (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 (3)
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 (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 (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 Rebecca ('Evipo016') (PBR) (Boulevard Series)
Clematis Rebecca ('Evipo016') (PBR) (Boulevard Series)
£29.99
available to order from spring 2027
0.5 star 1 star 1 star 1 star 1 star (15)
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
Crocosmia × crocosmiiflora Red King
Crocosmia × crocosmiiflora 'Red King'
From £9.99
available to order from spring 2027
0 star 1 star 1 star 1 star 1 star (2)
Cyperus longus
Cyperus longus
From £24.99
available to order from spring 2027
Dahlia Alauna Clair-obscur
Dahlia 'Alauna Clair-obscur'
From £11.99
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star (10)
Dahlia Strawberry Bon Bon (Sweet Candy Series)
Dahlia 'Strawberry Bon Bon' (Sweet Candy Series)
From £14.99
available to order from spring 2027
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