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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
Sowing month inside or protected
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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
514 items
Begonia Nonstop Lemon

New

Begonia 'Nonstop Lemon'
From £7.99
available to order from winter
Begonia Nonstop Pink

New

Begonia 'Nonstop Pink'
From £7.99
available to order from winter
Begonia Nonstop Red

New

Begonia 'Nonstop Red'
From £7.99
available to order from winter
Begonia Nonstop White

New

Begonia 'Nonstop White'
From £7.99
available to order from winter
Begonia Sunbrero Bicolour

New

Begonia 'Sunbrero Bicolour'
From £7.99
available to order from winter
Gerbera Garvinea Sweet Memories ('Garsweetmemo') (PBR) (Garvinea Sweet Series)

New

Gerbera Garvinea Sweet Memories ('Garsweetmemo') (Garvinea Sweet Series)
£9.99
sold out
Rosa × odorata Mutabilis

Best Seller

Rosa × odorata 'Mutabilis' | Shrub Rose
£38.99
available to order from autumn
0.75 star 1 star 1 star 1 star 1 star 4.9 5 14 (14)
Echium pininana
Echium pininana
From £3.37
available to order from autumn
Hypericum tetrapterum
Hypericum tetrapterum
From £24.99
available to order from spring 2027
Lobelia cardinalis Queen Victoria
Lobelia cardinalis 'Queen Victoria'
From £24.99
available to order from spring 2027
Lobelia × speciosa Vedrariensis
Lobelia × speciosa 'Vedrariensis'
From £24.99
available to order from spring 2027
Marsilea quadrifolia
Marsilea quadrifolia
From £24.99
available to order from spring 2027
Physostegia virginiana
Physostegia virginiana
From £24.99
available to order from spring 2027
Plumbago auriculata Dark Blue
Plumbago auriculata 'Dark Blue'
£14.99
available to order from winter
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