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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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Used at RHS Chelsea Flower Show
Kitchen garden planting guidelines
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All items
Showing Flowering month : September clear all
333 items
Streptocarpus Harlequin Purple (PBR)
Streptocarpus 'Harlequin Purple' (PBR)
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 Leah
Streptocarpus 'Leah' & ceramic pot cover
£32.99
10cm pot | with 11cm white pot
Streptocarpus Lemon Sorbet
Streptocarpus 'Lemon Sorbet'
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 Polka-Dot Pink

New

Streptocarpus 'Polka-Dot Pink'
£18.99
1 × rooted cutting
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
Streptocarpus Sirius

New

Streptocarpus 'Sirius' & ceramic pot cover
£44.99
12cm pot | with 13cm white pot
Streptocarpus Sphinx
Streptocarpus 'Sphinx'
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus Targa
Streptocarpus 'Targa' & ceramic pot cover
From £16.99
1 × rooted cutting
10cm pot | with 11cm white pot
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 Zoe
Streptocarpus 'Zoe'
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus collection
Streptocarpus collection
£41.99
1 × collection | 6 plants
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Succisa pratensis

20% off

Succisa pratensis
From £11.99
9cm pot
3 × 9cm pots
Lathyrus odoratus Old Fashioned mixed

New

20% off

sweet pea 'Old Fashioned mixed'
£2.99 £2.39
approx 30 seeds
Syringa meyeri Flowerfesta Pink ('Anny200817') (PBR) (Flowerfesta Series)

20% off

Syringa meyeri Flowerfesta Pink ('Anny200817') (PBR) (Flowerfesta Series)
£28.75 £23.00
3 litre pot
Syringa meyeri Flowerfesta White ('Anny200810') (PBR) (Flowerfesta Series)

20% off

Syringa meyeri Flowerfesta White ('Anny200810') (PBR) (Flowerfesta Series)
£34.99 £27.99
3 litre pot
Tangerine twist 3 varieties dahlia collection

New

Tangerine twist 3 varieties dahlia collection
From £13.59
available to order from winter
Tangerine twist 5 varieties dahlia collection

New

Tangerine twist 5 varieties dahlia collection
From £23.16
available to order from winter
Camellia sinensis var. sinensis

20% off

tea plant
From £15.99
10.5cm pot
3 × 10.5cm pots
0 star 1 star 1 star 1 star 1 star (1)
Thalictrum delavayi

20% off

Thalictrum delavayi
From £7.99
9cm pot
3 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star (16)
Thalictrum delavayi Hewitt's Double

20% off

Thalictrum delavayi 'Hewitt's Double'
From £11.99
9cm pot
3 × 9cm pots
0 star 1 star 1 star 1 star 1 star (3)
Tricyrtis formosana Dark Beauty

20% off

Tricyrtis formosana 'Dark Beauty'
From £10.39
9cm pot
3 × 9cm pots
Tricyrtis hirta

20% off

Tricyrtis hirta
From £7.99
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star (4)
Tricyrtis hirta Akachan Daisy

20% off

Tricyrtis hirta 'Akachan Daisy'
From £15.99
2 litre pot
3 × 2 litre pots
1 star 1 star 1 star 1 star 1 star (1)
Tropaeolum speciosum
Tropaeolum speciosum
£44.99 £35.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
Tulbaghia Purple Eye

20% off

Tulbaghia 'Purple Eye'
From £8.79
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star (1)
Viola Etain

20% off

Viola 'Etain'
From £7.19
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star (1)
Zantedeschia Captain Romance (PBR) (Captain Series)
Zantedeschia 'Captain Romance' (PBR) (Captain Series)
From £5.59
available to order from winter
0.75 star 1 star 1 star 1 star 1 star (4)
Alcalthaea suffrutescens Parkallee
× Alcalthaea suffrutescens 'Parkallee'
From £10.39
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
Alcalthaea suffrutescens Parkfrieden

New

× Alcalthaea suffrutescens 'Parkfrieden'
From £10.39
available to order from summer
Alcalthaea suffrutescens Parkrondell
× Alcalthaea suffrutescens 'Parkrondell'
From £11.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
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