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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.

Results found: 1183
RHS award of garden merit
Heptacodium miconioides

20% off

Heptacodium miconioides
From £71.99
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Hibiscus syriacus Blushing Bride

20% off

Hibiscus syriacus 'Blushing Bride'
£29.99 £23.99
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Hibiscus syriacus Helene

20% off

Hibiscus syriacus 'Helene'
£29.99 £23.99
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RHS award of garden merit
Hibiscus syriacus Marina

20% off

Hibiscus syriacus 'Marina'
£29.99 £23.99
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RHS award of garden merit
Hibiscus syriacus Oiseau Bleu

20% off

Hibiscus syriacus 'Oiseau Bleu'
£32.99 £26.39
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RHS award of garden merit
Hibiscus syriacus Woodbridge

Up to 20%

Hibiscus syriacus 'Woodbridge'
From £23.99
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RHS award of garden merit
Hibiscus syriacus Blue Chiffon ('Notwood3') (PBR) (Chiffon Series)

20% off

Hibiscus syriacus Blue Chiffon ('Notwood3') (PBR) (Chiffon Series)
£24.99 £19.99
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Hibiscus syriacus Flower Tower Ruby ('Gandini van Aart Ruby') (PBR)

20% off

Hibiscus syriacus Flower Tower Ruby ('Gandini van Aart Ruby') (PBR)
£29.99 £23.99
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RHS award of garden merit
Hibiscus syriacus Lavender Chiffon ('Notwoodone') (PBR) (Chiffon Series)

20% off

Hibiscus syriacus Lavender Chiffon ('Notwoodone') (PBR) (Chiffon Series)
£31.99 £25.59
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Hibiscus syriacus Magenta Chiffon ('Rwoods5') (PBR) (Chiffon Series)

20% off

Hibiscus syriacus Magenta Chiffon ('Rwoods5') (PBR) (Chiffon Series)
£28.99 £23.19
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Hibiscus syriacus Pink Chiffon ('Jwnwood4') (PBR) (Chiffon Series)

20% off

Hibiscus syriacus Pink Chiffon ('Jwnwood4') (PBR) (Chiffon Series)
£29.99 £23.99
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Hibiscus syriacus Purple Pillar ('Gandini Santiago') (PBR)

20% off

Hibiscus syriacus Purple Pillar ('Gandini Santiago') (PBR)
£34.99 £27.99
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RHS award of garden merit
Hibiscus syriacus Starburst Chiffon ('Rwoods6') (PBR) (Chiffon Series)

20% off

Hibiscus syriacus Starburst Chiffon ('Rwoods6') (PBR) (Chiffon Series)
£29.99 £23.99
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RHS award of garden merit
Hibiscus syriacus White Chiffon ('Notwoodtwo') (PBR) (Chiffon Series)

20% off

Hibiscus syriacus White Chiffon ('Notwoodtwo') (PBR) (Chiffon Series)
£29.99 £23.99
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Hydrangea Boléro Blue

20% off

Hydrangea 'Boléro Blue'
£24.99 £19.99
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New
Hydrangea arborescens Bellaragazza Limetta ('Ncha8') (PBR)

20% off

Hydrangea arborescens Belleragazza Limetta ('Ncha8') (PBR)
£29.99 £23.99
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New
Hydrangea arborescens FlowerWOW (´BALful´) (PBR)

20% off

Hydrangea arborescens FlowerWOW (´BALful´) (PBR)
From £27.99
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Hydrangea arborescens Lime Rickey ('Smnhalr') (PBR)

20% off

Hydrangea arborescens Lime Rickey ('Smnhalr') (PBR)
From £27.99
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Hydrangea arborescens Ruby Annabelle ('Ncha3') (PBR)

20% off

Hydrangea arborescens Ruby Annabelle ('Ncha3') (PBR)
£39.99 £31.99
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Hydrangea arborescens Sublime Annabelle ('SMNHRL') (PBR)

20% off

Hydrangea arborescens Sublime Annabelle ('SMNHRL') (PBR)
From £27.99
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Hydrangea arborescens Sweet Annabelle ('Ncha4') (PBR)

20% off

Hydrangea arborescens Sweet Annabelle ('Ncha4') (PBR)
£39.99 £31.99
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Hydrangea aspera Villosa Group

20% off

Hydrangea aspera 'Villosa Group'
£27.99 £22.39
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Hydrangea macrophylla Dark Angel Red

20% off

Hydrangea macrophylla 'Dark Angel Red'
£17.99 £14.39
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Hydrangea macrophylla Kardinal Violet

20% off

Hydrangea macrophylla 'Kardinal Violet'
£19.99 £15.99
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RHS award of garden merit
Hydrangea macrophylla Koria (PBR)

20% off

Hydrangea macrophylla 'Koria' (PBR)
£19.99 £15.99
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RHS award of garden merit
Hydrangea macrophylla Lanarth White

20% off

Hydrangea macrophylla 'Lanarth White'
From £15.99
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Hydrangea macrophylla Little Pink

20% off

Hydrangea macrophylla 'Little Pink'
£17.99 £14.39
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Hydrangea macrophylla Little Purple

20% off

Hydrangea macrophylla 'Little Purple'
£19.99 £15.99
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Hydrangea macrophylla Little White

20% off

Hydrangea macrophylla 'Little White'
£17.99 £14.39
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Hydrangea macrophylla Yulika

20% off

Hydrangea macrophylla 'Yulika'
£25.99 £20.79
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Hydrangea macrophylla Deep Purple Dance ('Schrolla02') (PBR) (Music Series)

20% off

Hydrangea macrophylla Deep Purple Dance ('Schrolla02')(PBR) (Music Series)
£27.99 £22.39
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Hydrangea macrophylla Glam Rock ('Horwack') (PBR)

20% off

Hydrangea macrophylla Glam Rock ('Horwack') (PBR)
From £15.99
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Hydrangea macrophylla Midnight Pearl ('Hokomamipe') (PBR)

20% off

Hydrangea macrophylla Midnight Pearl ('Hokomamipe') (PBR)
£29.99 £23.99
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Hydrangea macrophylla You & Me Together ('Youmefive') (PBR)

20% off

Hydrangea macrophylla You & Me Together ('Youmefive') (PBR)
£24.99 £19.99
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Hydrangea Miss Saori ('H2002') (PBR)

20% off

Hydrangea Miss Saori ('H2002') (PBR)
£28.99 £23.19
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Hydrangea paniculata Bombshell (PBR)

20% off

Hydrangea paniculata 'Bombshell' (PBR)
£28.99 £23.19
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Hydrangea paniculata Fire Light ('Smhpfl') (PBR)

20% off

Hydrangea paniculata Fire Light ('Abetwo') (PBR)
£44.99 £35.99
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Hydrangea paniculata Polestar ('Breg14') (PBR)

20% off

Hydrangea Polestar ('Breg14') (PBR)
£24.75 £19.80
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Hydrangea quercifolia

20% off

Hydrangea quercifolia
£89.99 £71.99
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RHS award of garden merit
Hydrangea quercifolia Snowflake ('Brido')

20% off

Hydrangea quercifolia Snowflake ('Brido')
£27.99 £22.39
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RHS award of garden merit
Hypericum × hidcoteense Hidcote

20% off

Hypericum × hidcoteense 'Hidcote'
£17.99 £14.39
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Hypericum × inodorum Magical Beauty ('Kolmbeau') (PBR) (Magical Series)

20% off

Hypericum × inodorum Magical Beauty ('Kolmbeau') (PBR)
£24.99 £19.99
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Hypericum × moserianum Tricolor

20% off

Hypericum × moserianum 'Tricolor'
£17.99 £14.39
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RHS award of garden merit
Itea ilicifolia

20% off

Itea ilicifolia
£49.99 £39.99
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RHS award of garden merit
Lavandula angustifolia Miss Katherine

20% off

Lavandula angustifolia 'Miss Katherine'
£27.99 £22.39
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Leycesteria formosa Purple Rain

20% off

Leycesteria formosa 'Purple Rain'
£19.99 £15.99
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Magnolia grandiflora Little Gem

20% off

Magnolia grandiflora 'Little Gem'
From £63.99
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RHS award of garden merit
Magnolia liliiflora Nigra

20% off

Magnolia liliiflora 'Nigra'
From £39.99
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Pollinator
Mahonia eurybracteata subsp. ganpinensis Meteor ('Hillmah') (PBR)

20% off

Mahonia eurybracteata subsp. ganpinensis Meteor ('Hillmah') (PBR)
£49.99 £39.99
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Pollinator
Malva × clementii Barnsley Baby

20% off

Malva × clementii 'Barnsley Baby'
£21.99 £17.59
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Pollinator
Malva × clementii Barnsley

20% off

Malva × clementii 'Barnsley'
£21.99 £17.59
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RHS award of garden merit
Malva × clementii Bredon Springs

20% off

Malva × clementii 'Bredon Springs'
£22.99 £18.39
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RHS award of garden merit
Malva × clementii Rosea

20% off

Malva × clementii 'Rosea'
£24.99 £19.99
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Parahebe catarractae Avalanche (PBR)

20% off

Parahebe catarractae 'Avalanche' (PBR)
£24.99 £19.99
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Parahebe catarractae Pink Avalanche

20% off

Parahebe catarractae 'Pink Avalanche'
£24.99 £19.99
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Pollinator
Perovskia Bluesette

20% off

Perovskia 'Bluesette'
From £7.99
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Pollinator
Perovskia Lacey Blue ('Lisslitt') (PBR)

20% off

Perovskia Lacey Blue ('Lisslitt') (PBR)
£19.99 £15.99
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Pollinator
Perovskia Silvery Blue ('Lissvery') (PBR)

20% off

Perovskia Silvery Blue ('Lissvery') (PBR)
£19.99 £15.99
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Phormium Platt's Black

20% off

Phormium 'Platt's Black'
£36.99 £29.59
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RHS award of garden merit
Potentilla fruticosa Pink Beauty

20% off

Potentilla fruticosa 'Pink Beauty' (PBR)
£21.99 £17.59
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RHS award of garden merit
Potentilla fruticosa Primrose Beauty

20% off

Potentilla fruticosa 'Primrose Beauty'
From £19.19
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RHS award of garden merit
Potentilla fruticosa Abbotswood

20% off

Potentilla fruticosa Abbotswood
From £19.99
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Pollinator
Potentilla fruticosa Bellissima ('Hachliss') (PBR)

20% off

Potentilla fruticosa Bellissima ('Hachliss') (PBR)
£22.99 £18.39
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RHS award of garden merit
Potentilla fruticosa Marian Red Robin ('Marrob')

20% off

Potentilla fruticosa Marian Red Robin ('Marrob')
£22.99 £18.39
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Syringa meyeri Flowerfesta Pink ('Anny200817') (PBR) (Flowerfesta Series)

20% off

Syringa meyeri Flowerfesta Pink ('Anny200817') (PBR) (Flowerfesta Series)
£32.99 £26.39
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Syringa meyeri Flowerfesta White ('Anny200810') (PBR) (Flowerfesta Series)

20% off

Syringa meyeri Flowerfesta White ('Anny200810') (PBR) (Flowerfesta Series)
£34.99 £27.99
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RHS award of garden merit
Tamarix ramosissima Pink Cascade

20% off

Tamarix ramosissima 'Pink Cascade'
£22.99 £18.39
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Pollinator
Veronica Pink Pixie

20% off

Veronica 'Pink Pixie'
£19.99 £15.99
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RHS award of garden merit
Viburnum plicatum f. tomentosum Summer Snowflake

20% off

Viburnum plicatum f. tomentosum 'Summer Snowflake'
£32.99 £26.39
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Vinca major

20% off

Vinca major
From £18.39
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RHS award of garden merit
Vinca major Variegata

20% off

Vinca major 'Variegata'
£17.99 £14.39
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RHS award of garden merit
Vinca minor Azurea Flore Pleno

20% off

Vinca minor 'Azurea Flore Pleno'
£17.99 £14.39
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Vinca minor Illumination

20% off

Vinca minor 'Illumination'
From £6.39
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RHS award of garden merit
Vinca minor Ralph Shugert

20% off

Vinca minor 'Ralph Shugert'
From £6.39
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Weigela All Summer Peach ('Slingpink') (All Summer Series)

20% off

Weigela All Summer Peach ('Slingpink') (PBR) (All Summer Series)
£25.99 £20.79
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Weigela All Summer Red ('Slingco1') (PBR) (All Summer Series)

20% off

Weigela All Summer Red ('Slingco1') (PBR) (All Summer Series)
£24.99 £19.99
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Pollinator
Weigela florida All Summer Monet ('Verweig 8') (PBR) (All Summer Series)

20% off

Weigela florida All Summer Monet ('Verweig 8') (PBR) (All Summer Series)
£24.99 £19.99
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Weigela Picobella Rosa ('Tvp2') (PBR)

20% off

Weigela Picobella Rosa ('Tvp2') (PBR)
£23.99 £19.19
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Pollinator
Arbutus unedo

20% off

Arbutus unedo
£34.99 £27.99
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Callistemon viminalis Hot Pink ('Kkho1') (PBR)

20% off

Callistemon viminalis Hot Pink ('Kkho1') (PBR)
£27.99 £22.39
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New
Soft pink dahlia collection

40% off

Soft pink dahlia collection
£17.75 £10.65
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New
White dahlia collection

40% off

White dahlia collection
£23.95 £14.37
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Pollinator
Chocolate orange pollinator dahlia collection

30% off

Chocolate orange pollinator dahlia collection
£17.99 £12.59
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Dinner plates dahlia collection

40% off

Dinner plates dahlia collection
£17.25 £10.35
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The Laundry Garden jewel dahlia collection

40% off

The Laundry Garden jewel dahlia collection
£17.75 £10.65
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RHS award of garden merit
Award-winning crocosmia collection

30% off

Award-winning crocosmia collection
£18.95 £13.26
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Begonia collection for hanging baskets & pots

40% off

Begonia collection for hanging baskets and pots
£11.95 £7.17
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Best white dahlia collection

40% off

Best white 'dahlia collection'
£17.95 £10.77
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Classic Canna collection

40% off

Classic canna collection
£28.95 £17.37
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Crocosmia collection

30% off

Crocosmia collection
£17.95 £12.57
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Dazzling dahlia collection

Up to 40%

Dazzling dahlia collection
£17.95 £11.97
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Fashion beauties dahlia collection

40% off

Fashion beauties 'dahlia collection'
£17.95 £10.77
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Giant dinner plate dahlia collection

40% off

Giant dinner plate 'dahlia collection'
£17.95 £10.77
View details
Nerine collection

40% off

Nerine collection
£14.95 £8.97
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Pink and Red Bee and butterfly dahlia collection

40% off

Pink & red bee & butterfly dahlia collection
£17.95 £10.77
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Summer nights dahlia collection

40% off

Summer nights dahlia collection
£17.95 £10.77
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Tangerine dream dahlia collection

Up to 40%

Tangerine dream 'dahlia collection'
£17.25 £12.02
View details
Tropicanna Cannas

40% off

Tropicanna canna collection
£33.95 £20.37
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Vibrant dahlia collection

Up to 40%

Vibrant dahlia collection
£17.75 £11.25
View details
Dahlia Ambition

Up to 30%

Dahlia 'Ambition'
From £4.19
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