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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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Used at RHS Chelsea Flower Show
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All items
Showing Flowering month : September clear all
1116 items
Rudbeckia triloba Prairie Glow

New

Rudbeckia triloba 'Prairie Glow'
£3.99 £2.99
available to order from autumn
Award-winning sweet pea collection
Award-winning sweet pea collection
£10.27 £7.48
available to order from autumn
Echium pininana
Echium pininana
From £3.37
available to order from autumn
Sweet pea collection highly scented
Award-winning sweet pea collection highly scented
£11.17 £8.38
available to order from autumn
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Geranium Maderense

New

Geranium Maderense
From £2.62
available to order from autumn
Lobelia cardinalis
Lobelia cardinalis
£11.99
available to order from summer
1 star 1 star 1 star 1 star 1 star 5.0 5 3 (3)
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
Tricyrtis formosana Autumn Glow

New

Tricyrtis formosana 'Autumn Glow'
£12.99
available to order from spring 2027
Dianthus Early Love ('Kledg18267') (PBR)

New

Dianthus Early Love ('Kledg18267') (PBR)
£7.99
available to order from winter
Eupatorium perfoliatum Milk and Cookies

New

Eupatorium perfoliatum 'Milk and Cookies'
From £12.99
sold out
Iberis Mermaid Lavender ('Ibsz0007') (PBR)

New

Iberis Mermaid Lavender ('Ibsz0007') (PBR)
£12.99
sold out
Salvia Lake Silvretta ('Tl1086') (Salgoon Series) (PBR)

New

Salvia Lake Silvretta ('Tl1086') (Salgoon Series) (PBR)
£12.99
sold out
Scutellaria Appalachian Blues (PBR)

New

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

New

Teucrium marum
From £12.99
sold out
Verbena × baileyana Purple Haze

New

Verbena × baileyana 'Purple Haze'
From £12.99
sold out
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