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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.

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Used at RHS Chelsea Flower Show
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Showing Flowering month : September clear all
122 items
Clematis Bijou ('Evipo030') (PBR) (Tudor Patio Series)
Clematis Bijou ('Evipo030') (PBR) (Tudor Patio Series)
£27.99
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 5.0 5 2 (2)
Perovskia Bluesette

New

Perovskia 'Bluesette'
From £9.99
available to order from spring 2027
Veronica Caledonia
Veronica 'Caledonia'
£24.99
available to order from spring 2027
0.75 star 1 star 1 star 1 star 1 star 4.7 5 11 (11)
Hydrangea macrophylla Kardinal Violet
Hydrangea macrophylla 'Kardinal Violet'
£19.99
available to order from summer
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Hydrangea aspera Hot Chocolate ('Haopr012') (PBR)
Hydrangea aspera Hot Chocolate ('Haopr012') (PBR)
£29.99
sold out
Agapanthus collection
Agapanthus collection
From £12.95
available to order from winter
Agapanthus Dokter Brouwer
Agapanthus 'Dokter Brouwer'
From £5.99
available to order from winter
Dahlia Bishop of Dover
Dahlia 'Bishop of Dover'
From £5.99
available to order from winter
0.75 star 1 star 1 star 1 star 1 star 4.7 5 3 (3)
Dahlia Crème de Cassis
Dahlia 'Crème de Cassis'
From £5.99
available to order from winter
0.75 star 1 star 1 star 1 star 1 star 4.8 5 4 (4)
Rosa Pacific Blue ('Tan98485')
Rosa Pacific Blue ('Tan98485') | Hybrid Tea Rose
£39.99 £23.99
available to order from autumn
Fuchsia Deltas Sara
Fuchsia 'Delta's Sara'
From £7.99
available to order from summer
0.75 star 1 star 1 star 1 star 1 star 4.8 5 20 (20)
Brachyscome Brasco Violet

New

Brachyscome 'Brasco Violet'
From £7.99
available to order from winter
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Osteospermum Soleo Blue

New

Osteospermum 'Soleo Blue'
From £7.99
available to order from winter
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Salvia Victoria Blue ('Vivisal') (PBR)
Salvia Victoria Blue ('Vivisal') (PBR)
From £7.99
available to order from winter
Lobelia erinus Crystal Palace
Lobelia erinus 'Crystal Palace'
£34.99
sold out
Petunia Surfinia White ('Kesupite') (Surfinia Series)
Petunia Surfinia White ('Kepusite') (Surfinia Series)
From £7.99
sold out
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
The light before dawn container plant collection
The light before dawn container plant collection
From £26.99
sold out
0 star 0.75 star 1 star 1 star 1 star 3.7 5 3 (3)
Rosa My Lovely Dad ('Fryniche') (PBR)
Rosa My Lovely Dad ('Fryniche') (PBR) | Floribunda Bush Rose
£26.99 £16.19
available to order from autumn
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Assorted native oxygenating
Assorted native oxygenating bunches
From £22.99
available to order from spring 2027
Lobelia × speciosa Vedrariensis
Lobelia × speciosa 'Vedrariensis'
From £24.99
available to order from spring 2027
Scutellaria Appalachian Blues (PBR)

New

Scutellaria 'Appalachian Blues' (PBR)
£14.99
sold out
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