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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
Facing
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Evergreen / deciduous
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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
Sort by lowest price
All items
Showing Flowering month : September clear all
333 items
Streptocarpus Albatross
Streptocarpus 'Albatross'
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
0 star 0 star 1 star 1 star 1 star 3.0 5 1 (1)
Streptocarpus Caitlin
Streptocarpus 'Caitlin'
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus Harlequin Purple (PBR)
Streptocarpus 'Harlequin Purple' (PBR)
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus Falling Stars
Streptocarpus 'Falling Stars'
From £16.99
1 × rooted cutting
10cm pot | with 11cm white pot
2 + 1 FREE rooted cuttings
Streptocarpus Hannah
Streptocarpus 'Hannah'
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus Zoe
Streptocarpus 'Zoe'
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus Tina
Streptocarpus 'Tina'
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Streptocarpus Sphinx
Streptocarpus 'Sphinx'
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus Mabel
Streptocarpus 'Mabel'
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus Lemon Sorbet
Streptocarpus 'Lemon Sorbet'
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus Hope
Streptocarpus 'Hope'
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus Katie
Streptocarpus 'Katie'
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus Celebration
Streptocarpus 'Celebration'
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus Alexis
Streptocarpus 'Alexis'
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus Alana
Streptocarpus 'Alana'
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus Abigail
Streptocarpus 'Abigail'
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus Dolina
Streptocarpus 'Dolina'
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Rosa Louise Odier

20% off

Rosa Louise Odier | Bourbon Bush Rose
£43.99 £35.19
4 litre pot
Rosa Boule de Neige

20% off

Rosa Boule de Neige | Bourbon Bush Rose
£43.99 £35.19
4 litre pot
0.25 star 1 star 1 star 1 star 1 star 4.3 5 6 (6)
Rosa Roseraie de l'Haÿ

20% off

Rosa Roseraie de l'Haÿ | Shrub Rose
£43.99 £35.19
4 litre pot
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Rosa Souvenir du Docteur Jamain

20% off

Rosa Souvenir du Docteur Jamain | Climbing Rose
£43.99 £35.19
4 litre pot
0 star 0.75 star 1 star 1 star 1 star (8)
Tropaeolum speciosum
Tropaeolum speciosum
£44.99 £35.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
Rosa Gartenprinzessin Marie-José ('Korgehaque') (PBR)

20% off

Rosa Gartenprinzessin Marie-José ('Korgehaque') (PBR) | Floribunda Rose
£46.99 £37.59
4 litre pot
Mahonia eurybracteata subsp. ganpinensis Soft Caress

20% off

Mahonia eurybracteata subsp. ganpinensis 'Soft Caress' (PBR)
£49.99 £39.99
2 litre pot
0.75 star 1 star 1 star 1 star 1 star (10)
Hydrangea paniculata Fire Light ('Smhpfl') (PBR)

20% off

Hydrangea paniculata Fire Light ('Abetwo') (PBR)
£49.99 £39.99
5 litre pot
Streptocarpus Polka-Dot Purple
Streptocarpus 'Polka-Dot Purple' & ceramic pot cover
From £18.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
12cm pot | with 13cm white pot
Award-winning Streptocarpus collection
Award-winning Streptocarpus collection
£41.99
1 × collection | 6 plants
0 star 1 star 1 star 1 star 1 star (1)
Streptocarpus collection
Streptocarpus collection
£41.99
1 × collection | 6 plants
1 star 1 star 1 star 1 star 1 star (1)
Streptocarpus collection Blue and Pink
Blue and pink streptocarpus collection
£41.99
1 × collection | 6 plants
Streptocarpus Sirius

New

Streptocarpus 'Sirius' & ceramic pot cover
£44.99
12cm pot | with 13cm white pot
Mahonia eurybracteata subsp. ganpinensis Meteor ('Hillmah') (PBR)
Mahonia eurybracteata subsp. ganpinensis Meteor ('Hillmah') (PBR)
£59.99 £47.99
sold out
Hydrangea quercifolia

20% off

Hydrangea quercifolia
£89.99 £71.99
10 litre pot | 40 - 60cm tall
Hydrangea and tulip pot combination

Up to 20% off

Hydrangea & tulip pot combination
£123.98 £103.93
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