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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: 863
RHS award of garden merit
Geum Prinses Juliana

20% off

Geum 'Prinses Juliana'
From £10.39
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Dianthus carthusianorum
Dianthus carthusianorum
From £7.99
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RHS award of garden merit
Penstemon Raven (Bird Series)

20% off

Penstemon 'Raven' (Bird Series)
From £7.19
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RHS award of garden merit
Symphyotrichum Little Carlow (cordifolius hybrid)

20% off

Symphyotrichum 'Little Carlow' (cordifolius hybrid)
From £7.99
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RHS award of garden merit
Agapanthus Twister ('Ambic001') (PBR)
Agapanthus Twister ('Ambic001') (PBR)
From £15.99
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Pollinator
Echinacea purpurea Rubinstern

20% off

Echinacea purpurea 'Rubinstern'
From £10.39
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Pollinator
Verbena officinalis var. grandiflora Bampton

20% off

Verbena officinalis var. grandiflora 'Bampton'
From £7.19
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Pollinator
Nepeta Cat's Pajamas
Nepeta 'Cat's Pajamas'
From £9.99
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RHS award of garden merit
Nepeta grandiflora Summer Magic (PBR)
Nepeta grandiflora 'Summer Magic' (PBR)
From £8.99
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Sanguisorba hakusanensis Lilac Squirrel

20% off

Sanguisorba hakusanensis 'Lilac Squirrel'
From £11.99
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Pollinator
Geum Pretticoats Peach ('Tngeupp') (Pretticoats Series) (PBR)
Geum Pretticoats Peach ('Tngeupp') (Pretticoats Series) (PBR)
From £12.99
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Cosmos atrosanguineus Chocamocha ('Thomocha') (PBR)

20% off

Cosmos atrosanguineus Chocamocha ('Thomocha') (PBR)
From £7.99
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Artemisia ludoviciana Silver Queen

Up to 30%

Artemisia ludoviciana 'Silver Queen'
From £7.19
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Kirengeshoma palmata

20% off

Kirengeshoma palmata
From £7.99
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RHS award of garden merit
Leucanthemum × superbum Wirral Supreme

20% off

Leucanthemum × superbum 'Wirral Supreme'
From £8.79
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RHS award of garden merit
Lobelia cardinalis Queen Victoria

20% off

Lobelia cardinalis 'Queen Victoria'
From £7.99
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RHS award of garden merit
Monarda Beauty of Cobham

20% off

Monarda 'Beauty of Cobham'
From £7.99
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RHS award of garden merit
Origanum Kent Beauty

20% off

Origanum 'Kent Beauty'
From £7.19
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Ageratina altissima Chocolate

20% off

Ageratina altissima 'Chocolate'
From £7.19
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Pollinator
Geranium macrorrhizum
Geranium macrorrhizum
From £9.99
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Pollinator
Bistorta amplexicaulis Firetail

20% off

Bistorta amplexicaulis 'Firetail'
From £7.99
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RHS award of garden merit
Achillea millefolium Red Velvet

20% off

Achillea millefolium 'Red Velvet'
From £7.99
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RHS award of garden merit
Artemisia ludoviciana Valerie Finnis

20% off

Artemisia ludoviciana 'Valerie Finnis'
From £7.19
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Verbena hastata f. Rosea

20% off

Verbena hastata f. 'Rosea'
From £7.19
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Pollinator
Calamintha nepeta subsp. nepeta Blue Cloud
Calamintha nepeta subsp. nepeta 'Blue Cloud'
From £9.99
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Dry sun plant combination

20% off

Dry sun plant combination
£29.96 £27.96
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Opposites attract plant combination

20% off

Opposites attract plant combination
£53.94 £47.95
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Cool tones plant combination

20% off

Cool tones plant combination
£22.98 £18.38
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Pollinator
Helenium Ruby Thuesday

20% off

Helenium 'Ruby Thuesday'
From £10.39
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Pollinator
Salvia nemorosa Schwellenburg

20% off

Salvia nemorosa 'Schwellenburg'
From £9.99
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Agapanthus Windsor Grey

20% off

Agapanthus 'Windsor Grey'
From £12.99
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Pollinator
Angelica gigas

20% off

Angelica gigas
From £10.39
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Pollinator
Symphyotrichum novae-angliae Purple Dome

20% off

Symphyotrichum novae-angliae 'Purple Dome'
From £7.99
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Pollinator
Cosmos atrosanguineus

20% off

Cosmos atrosanguineus
From £7.19
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Pollinator
Geranium Sabani Blue ('Bremigo') (PBR)
Geranium Sabani Blue ('Bremigo') (PBR)
From £12.99
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Pollinator
Chrysanthemum Clara Curtis

20% off

Chrysanthemum 'Clara Curtis'
From £7.99
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Pollinator
Lysimachia atropurpurea Beaujolais

20% off

Lysimachia atropurpurea 'Beaujolais'
From £7.99
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RHS award of garden merit
Hesperantha coccinea Wilfred H. Bryant
Hesperantha coccinea 'Wilfred H. Bryant'
From £12.99
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RHS award of garden merit
Hylotelephium telephium (Atropurpureum Group) Purple Emperor

20% off

Hylotelephium telephium (Atropurpureum Group) 'Purple Emperor'
From £7.99
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RHS award of garden merit
Hylotelephium spectabile (Brilliant Group) Brilliant

20% off

Hylotelephium spectabile (Brilliant Group) 'Brilliant'
From £7.99
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Glandularia Homestead Purple
Glandularia 'Homestead Purple'
From £7.99
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Pollinator
Succisa pratensis
Succisa pratensis
From £14.99
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Pollinator
Actaea simplex Pink Spike

20% off

Actaea simplex 'Pink Spike'
From £11.99
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Pollinator
Euphorbia griffithii Fireglow

20% off

Euphorbia griffithii 'Fireglow'
From £10.39
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RHS award of garden merit
Rudbeckia laciniata Herbstsonne

20% off

Rudbeckia laciniata 'Herbstsonne'
From £7.99
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RHS award of garden merit
Penstemon Hidcote Pink

20% off

Penstemon 'Hidcote Pink'
From £7.19
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Sanguisorba officinalis Pink Tanna

Up to 40%

Sanguisorba officinalis 'Pink Tanna'
From £10.39
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Pollinator
Phlox paniculata Mount Fuji

20% off

Phlox paniculata 'Mount Fuji'
From £7.19
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Lobelia × speciosa Hadspen Purple (PBR)

20% off

Lobelia × speciosa 'Hadspen Purple' (PBR)
From £8.79
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Pollinator
Salvia guaranitica Black and Blue

20% off

Salvia guaranitica 'Black and Blue'
From £7.99
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RHS award of garden merit
Rudbeckia fulgida var. deamii

20% off

Rudbeckia fulgida var. deamii
From £8.79
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RHS award of garden merit
Veronicastrum virginicum Lavendelturm
Veronicastrum virginicum 'Lavendelturm'
From £12.99
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Pilosella aurantiaca
Pilosella aurantiaca
From £7.99
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Pollinator
Eryngium yuccifolium

20% off

Eryngium yuccifolium
From £10.39
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Pollinator
Penstemon Pensham Laura (Pensham Series)

20% off

Penstemon 'Pensham Laura' (Pensham Series)
From £7.19
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RHS award of garden merit
Salvia patens

20% off

Salvia patens
From £7.99
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Monarda Fireball (PBR)

20% off

Monarda 'Fireball' (PBR)
From £7.19
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Lupinus Chandelier (Band of Nobles Series)

40% off

Lupinus 'Chandelier' (Band of Nobles Series)
From £5.99
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Pollinator
Salvia uliginosa African Skies

20% off

Salvia uliginosa 'African Skies'
From £7.99
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Pollinator
Rudbeckia fulgida Early Bird Gold

20% off

Rudbeckia fulgida 'Early Bird Gold'
From £10.39
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New
Farfugium japonicum var. giganteum

20% off

Farfugium japonicum var. giganteum
From £10.39
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Pollinator
Salvia × sylvestris Rose Queen

20% off

Salvia × sylvestris 'Rose Queen'
From £7.99
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Pollinator
Leucanthemum × superbum Banana Cream

20% off

Leucanthemum × superbum 'Banana Cream'
From £8.79
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Iberis Masterpiece (PBR)
Iberis Masterpiece (PBR)
From £8.99
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Pollinator
Rudbeckia subtomentosa Henry Eilers

20% off

Rudbeckia subtomentosa 'Henry Eilers'
From £9.59
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Hosta Purple Heart
Hosta 'Purple Heart'
From £11.99
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Pollinator
Phlox paniculata Rembrandt

20% off

Phlox paniculata 'Rembrandt'
From £7.19
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RHS award of garden merit
Phlox paniculata Starfire

20% off

Phlox paniculata 'Starfire'
From £7.19
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Pollinator
Centranthus ruber Albus
Centranthus ruber 'Albus'
From £8.99
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Pollinator
Penstemon Pensham Plum Jerkum (Pensham Series)

20% off

Penstemon 'Pensham Plum Jerkum' (Pensham Series)
From £7.19
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RHS award of garden merit
Ceratostigma plumbaginoides

20% off

Ceratostigma plumbaginoides
From £7.19
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Pollinator
Salvia greggii Lipstick

20% off

Salvia greggii 'Lipstick'
From £7.99
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RHS award of garden merit
Origanum laevigatum Herrenhausen

20% off

Origanum laevigatum 'Herrenhausen'
From £7.19
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Kniphofia Pineapple Popsicle (Popsicle Series)

20% off

Kniphofia 'Pineapple Popsicle' (Popsicle Series)
From £10.39
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RHS award of garden merit
Kniphofia Tawny King

20% off

Kniphofia 'Tawny King'
From £10.39
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Echinacea Hot Papaya (PBR) (Cone-fections Series)

20% off

Echinacea 'Hot Papaya' (PBR) (Cone-fections Series)
From £10.39
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Kniphofia Bees Lemon

20% off

Kniphofia 'Bees Lemon'
From £10.39
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Pollinator
Agastache foeniculum Alabaster

20% off

Agastache foeniculum 'Alabaster'
From £7.19
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RHS award of garden merit
Echinacea purpurea Green Jewel (PBR)

20% off

Echinacea 'Green Jewel' (PBR)
From £11.99
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Pollinator
Echinacea purpurea Vintage Wine (PBR)
Echinacea purpurea 'Vintage Wine' (PBR)
From £14.99
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RHS award of garden merit
Eutrochium maculatum (Atropurpureum Group) Riesenschirm

20% off

Eupatorium maculatum (Atropurpureum Group) 'Riesenschirm'
From £8.79
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Pollinator
Symphyotrichum novi-belgii White Ladies

Up to 40%

Symphyotrichum novi-belgii 'White Ladies'
From £7.99
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Pollinator
Symphyotrichum novi-belgii Patricia Ballard

Up to 40%

Symphyotrichum novi-belgii 'Patricia Ballard'
From £7.99
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Pollinator
Agastache Blue Boa (PBR)

20% off

Agastache 'Blue Boa' (PBR)
From £7.19
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Hylotelephium Dazzleberry (PBR) (SunSparkler Series)

20% off

Hylotelephium 'Dazzleberry' (PBR) (SunSparkler Series)
From £7.19
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Hylotelephium Lime Zinger (PBR) (SunSparkler Series)

20% off

Hylotelephium 'Lime Zinger' (PBR) (SunSparkler Series)
From £10.39
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Pollinator
Salvia Blue Note (PBR)
Salvia 'Blue Note' (PBR)
£12.99
View details
Pollinator
Agastache and Angelica plant combination

20% off

Agastache & Angelica plant combination
£65.94 £52.75
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Agastache and Helenium plant combination

20% off

Agastache & Helenium plant combination
£59.94 £47.95
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Contemporary plant combination

20% off

Contemporary plant combination
£43.96 £37.17
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Pastel haze plant combination

20% off

Oenothera & Perovskia plant combination
£50.94 £45.55
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Lythrum and Campanula plant combination

20% off

Lythrum & Campanula plant combination
£53.94 £48.55
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Kniphofia Ember Glow ('Tneg') (PBR) (Glow Series)

20% off

Kniphofia Ember Glow ('Tneg') (PBR) (Glow Series)
From £11.99
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RHS award of garden merit
Dianthus Gran's Favourite
Dianthus 'Gran's Favourite'
From £7.99
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RHS award of garden merit
Ligusticopsis wallichiana

20% off

Ligusticopsis wallichiana
From £11.19
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Pollinator
Salvia Kisses and Wishes (PBR)

20% off

Salvia 'Kisses and Wishes' (PBR)
From £7.99
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Pollinator
Salvia Love and Wishes ('Serendip6') (PBR)

20% off

Salvia Love and Wishes ('Serendip6') (PBR)
From £7.99
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Pollinator
Salvia Ember's Wish ('SAL 0101') (PBR)

20% off

Salvia Ember's Wish ('SAL 0101') (PBR)
From £9.59
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Pollinator
Helenium autumnale Short and Sassy (PBR)

20% off

Helenium autumnale 'Short and Sassy' (PBR)
From £11.19
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Delosperma cooperi Golden Wonder ('Wowd20111') (PBR) (Wheels of Wonder Series)

40% off

Delosperma Golden Wonder ('Wowd20111') (PBR) (Wheels of Wonder Series)
From £4.79
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