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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
How much sun
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Evergreen / deciduous
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Attractive to wildlife
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Bulb divisions
RHS Chelsea Flower Show plant of year
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Sowing month outside
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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
657 items
Antirrhinum majus Madame Butterfly Bronze White
Antirrhinum majus 'Madame Butterfly Bronze White'
£3.49
approx 25 seeds
Antirrhinum majus Madame Butterfly Cherry Bronze
Antirrhinum majus 'Madame Butterfly Cherry Bronze'
£3.49
approx 25 seeds
Antirrhinum majus Madame Butterfly Red

40% off

Antirrhinum majus 'Madame Butterfly Red'
£3.49 £2.09
approx 25 seeds
Calendula officinalis Orange King
Calendula officinalis 'Orange King'
£2.49
approx 150 seeds
Calendula officinalis Snow Princess
Calendula officinalis 'Snow Princess'
£2.89
approx 100 seeds
Centaurea nigra
Centaurea nigra
From £2.99
approx 20 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star 5.0 5 5 (5)
Daucus carota Dara
Daucus carota 'Dara'
£3.29
approx 50 seeds
0 star 0 star 0.5 star 1 star 1 star 2.5 5 2 (2)
Lathyrus odoratus Cupani
Lathyrus odoratus 'Cupani'
From £3.79
approx 20 seeds
0 star 1 star 1 star 1 star 1 star 4.0 5 1 (1)
Lathyrus odoratus Leamington
Lathyrus odoratus 'Leamington'
From £3.29
approx 20 seeds
Lathyrus odoratus Midnight
Lathyrus odoratus 'Midnight'
From £3.29
approx 20 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Lathyrus odoratus Mollie Rilstone
Lathyrus odoratus 'Mollie Rilstone'
From £3.29
approx 20 seeds
Lathyrus odoratus Painted Lady
Lathyrus odoratus 'Painted Lady'
From £3.49
approx 20 seeds
0 star 0 star 1 star 1 star 1 star 3.0 5 1 (1)
Lathyrus odoratus Top Hat
Lathyrus odoratus 'Top Hat'
From £2.99
approx 20 seeds
Lathyrus odoratus Winston Churchill
Lathyrus odoratus 'Winston Churchill'
From £3.49
approx 20 seeds
Lathyrus × hammettii Erewhon
Lathyrus × hammettii 'Erewhon'
From £3.49
approx 20 seeds
Tropaeolum Baby Rose
nasturtium - Tropaeolum 'Baby Rose'
£2.99
approx 30 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Tropaeolum majus Cherry Rose Jewel
nasturtium - Tropaeolum majus 'Cherry Rose Jewel'
£3.99
approx 30 seeds
Nicotiana Whisper Mixed F1
Nicotiana 'Whisper Mixed' F1
From £2.99
approx 70 seeds
0.75 star 1 star 1 star 1 star 1 star 4.8 5 12 (12)
Nicotiana alata Grandiflora
Nicotiana alata 'Grandiflora'
£2.39
approx 700 seeds
0.75 star 1 star 1 star 1 star 1 star 4.7 5 3 (3)
Nicotiana mutabilis
Nicotiana mutabilis
£2.79
approx 100 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 3 (3)
Prunella vulgaris
Prunella vulgaris
From £2.99
approx 100 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
Rhodochiton atrosanguineus
Rhodochiton atrosanguineus
£3.99
approx 10 seeds
Trifolium repens
Trifolium repens
£2.79
approx 750 seeds
Linaria maroccana Licilia collection
Linaria maroccana 'Licilia collection'
£5.98
2 packets of seeds
Linaria purpurea Canon Went
Linaria purpurea 'Canon Went'
From £2.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star (2)
Achillea millefolium

Best Seller

Achillea millefolium
From £2.99
approx 400 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star (2)
Aster Duchess Mixed
Aster 'Duchess Mixed'
£2.49
approx 200 seeds
Lathyrus odoratus Princess Elizabeth

40% off

Lathyrus odoratus 'Princess Elizabeth'
From £1.79
approx 20 seeds
Lathyrus odoratus Spencer Waved Mixed
Lathyrus odoratus 'Spencer Waved Mixed'
From £3.99
approx 35 seeds
Lathyrus odoratus var. nanellus Pink Cupid
Lathyrus odoratus var. nanellus 'Pink Cupid'
From £2.69
approx 20 seeds
Linaria purpurea

New

Linaria purpurea
£2.99
approx 100 seeds
Linaria purpurea Springside White

New

Linaria purpurea 'Springside White'
£3.49
approx 40 seeds
Tagetes patula Strawberry Blonde

New

Tagetes patula 'Strawberry Blonde'
From £3.79
approx 50 seeds
Salvia elegans
sage - pineapple
From £7.99
9cm pot
2 + 1 FREE 9cm pots
Camellia sinensis var. sinensis
tea plant
From £19.99
10.5cm pot
3 × 10.5cm pots
0 star 1 star 1 star 1 star 1 star (1)
grape Chardonnay
grape 'Chardonnay'
£24.99
2 litre pot | 60cm cane
broccoli raab Cima di Rapa 60
broccoli raab 'Cima di Rapa 60'
£3.29
approx 4800 seeds
chilli Basket of Fire F1
chilli 'Basket of Fire' F1
£3.99
approx 10 seeds
chilli Carolina Reaper
chilli 'Carolina Reaper'
£3.99
approx 5 seeds
chilli Trinidad Moruga Scorpion

40% off

chilli 'Trinidad Scorpion'
£3.99 £2.39
approx 5 seeds
courgette Gold Rush
courgette 'Gold Rush' F1
£2.99
approx 10 seeds
Heritage sweet pea seed gift box
Heritage sweet pea seed gift box
£19.99
gift set
Empathy mini wildflower meadow with rootgrow
Mini wildflower meadow with rootgrow
From £7.99
0.5 litres | covers 3m²
1.2 litres | covers 10m²
1 star 1 star 1 star 1 star 1 star (3)
Cottage garden showstoppers mini-border collection
Cottage garden showstoppers mini-border collection
£71.99
available to order from summer
Pollinator's blue mini-border collection
Pollinator's blue mini-border collection
£64.99 £60.65
available to order from summer
Evening sky pollinator mini-border collection
Evening sky pollinator mini-border collection
From £57.99
available to order from summer
Astrantia Roma (PBR)

Best Seller

Astrantia 'Roma' (PBR)
From £12.99
available to order from summer
0.5 star 1 star 1 star 1 star 1 star (27)
Echinacea pallida
Echinacea pallida
From £12.99
available to order from summer
0.25 star 1 star 1 star 1 star 1 star (4)
Salvia nemorosa Caradonna Pink Inspiration ('Tuitsalv') (PBR)
Salvia nemorosa Caradonna Pink Inspiration ('Tuitsalv') (PBR)
From £9.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
Geranium nodosum

Best Seller

Geranium nodosum
From £9.99
available to order from summer
0.25 star 1 star 1 star 1 star 1 star (3)
Anemone Wild Swan ('Macane001') (PBR)
Anemone Wild Swan ('Macane001') (PBR)
From £15.99
available to order from summer
0.75 star 1 star 1 star 1 star 1 star (27)
Echinacea Summer Cocktail (PBR)
Echinacea 'Summer Cocktail' (PBR)
From £14.99
available to order from summer
0.75 star 1 star 1 star 1 star 1 star (4)
Echinacea purpurea Rubinstern
Echinacea purpurea 'Rubinstern'
From £12.99
available to order from summer
0 star 1 star 1 star 1 star 1 star (1)
Echinacea purpurea Virgin (PBR)
Echinacea purpurea 'Virgin' (PBR)
From £12.99
available to order from summer
0 star 1 star 1 star 1 star 1 star (6)
Penstemon Alice Hindley

New

Penstemon 'Alice Hindley'
From £8.99
available to order from summer
Penstemon Elmley

New

Penstemon 'Elmley'
From £8.99
available to order from summer
Penstemon Midnight

New

Penstemon 'Midnight'
From £8.99
available to order from summer
Penstemon Pensham Bilberry Ice (Pensham Series)

New

Penstemon 'Pensham Bilberry Ice' (Pensham Series)
From £8.99
available to order from summer
Penstemon Pensham Wedding Day (Pensham Series)

New

Penstemon 'Pensham Wedding Day (Pensham Series)
From £8.99
available to order from summer
Penstemon heterophyllus Heavenly Blue

New

Penstemon heterophyllus 'Heavenly Blue'
From £8.99
available to order from summer
Amethyst spires mini-border collection
Amethyst spires mini-border collection
£57.99
available to order from summer
award winning Penstemon collection

New

Award-winning Penstemon collection
From £26.97
available to order from summer
Classic cottage mini-border collection
Cottage garden mini-border collection
£64.99
available to order from summer
Dusky violet shade mini-border collection

New

Dusky violet shade mini-border collection
From £54.99
available to order from summer
3 × Erigeron karvinskianus and embossed aged planter
Crocus collection
Erigeron karvinskianus and an embossed aged planter
£100.96 £92.86
Heavenly Penstemon collection

New

Heavenly Penstemon collection
From £26.97
available to order from summer
Erigeron karvinskianus & hanging aged ribbed bowl combination
Crocus collection
Mexican fleabane & hanging aged ribbed bowl combination
£55.96 £50.71
Nepeta and terracotta pot combination
Crocus collection
Nepeta & terracotta pot combination
£166.96 £144.46
Pensham Penstemon collection

New

Pensham Penstemon collection
From £26.97
available to order from summer
Dahlia Alauna Clair-obscur
Dahlia 'Alauna Clair-obscur'
From £14.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (10)
Echinacea Flame Thrower (PBR)
Echinacea 'Flame Thrower' (PBR)
From £15.99
available to order from summer
0 star 0.25 star 1 star 1 star 1 star (7)
Echinacea Fried Egg

New

Echinacea 'Fried Egg'
From £14.99
available to order from summer
Echinacea Hot Lava (PBR)
Echinacea 'Hot Lava' (PBR)
From £14.99
available to order from summer
0.5 star 1 star 1 star 1 star 1 star (4)
Echinacea Pretty Parasols ('JS Engeltje') (PBR)
Echinacea Pretty Parasols ('JS Engeltje') (PBR)
From £14.99
available to order from summer
Erigeron Schneewittchen

New

Erigeron 'Schneewittchen'
From £8.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (215)
Geranium Elke
Geranium 'Elke'
From £9.99
available to order from summer
0.5 star 1 star 1 star 1 star 1 star (16)
Geranium clarkei Kashmir White
Geranium clarkei 'Kashmir White'
From £10.99
available to order from summer
0.75 star 1 star 1 star 1 star 1 star (5)
Geranium nodosum Fielding's Folly
Geranium nodosum 'Fielding's Folly'
From £12.99
available to order from summer
Glandularia Claret
Glandularia 'Claret'
From £7.99
available to order from summer
Hemerocallis See You Tomorrow ('Huhe01') (PBR)
Hemerocallis See You Tomorrow ('Huhe01') (PBR)
From £12.99
available to order from summer
Oenothera lindheimeri Whiskers Deep Rose
Oenothera lindheimeri 'Whiskers Deep Rose'
From £9.99
available to order from summer
Oenothera lindheimeri Cherry Brandy ('Gauchebra') (PBR)
Oenothera lindheimeri Cherry Brandy ('Gauchebra')
From £8.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
Penstemon Arabesque Appleblossom
Penstemon 'Arabesque Appleblossom'
From £9.99
available to order from summer
Penstemon Stapleford Gem

New

Penstemon 'Stapleford Gem'
From £8.99
available to order from summer
Phlox paniculata Franz Schubert
Phlox paniculata 'Franz Schubert'
From £17.99
available to order from summer
0 star 0 star 1 star 1 star 1 star (2)
Romneya coulteri
Romneya coulteri
From £36.99
available to order from summer
0.25 star 1 star 1 star 1 star 1 star (3)
Rudbeckia fulgida Early Bird Gold
Rudbeckia fulgida 'Early Bird Gold'
From £12.99
available to order from summer
Salvia Blue Butterflies

New

Salvia 'Blue Butterflies'
From £9.99
available to order from summer
Salvia Peach Melba
Salvia 'Peach Melba'
From £12.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
Salvia × jamensis Violette de Loire ('Barsal') (PBR)

New

Salvia × jamensis Violette de Loire ('Barsal) (PBR)
From £11.99
available to order from summer
Symphyotrichum novae-angliae Helen Picton
Symphyotrichum novae-angliae 'Helen Picton'
From £9.99
available to order from summer
Vinca minor

Best Seller

Vinca minor
From £5.99
available to order from summer
0.75 star 1 star 1 star 1 star 1 star (25)
Alcalthaea suffrutescens Parkallee
× Alcalthaea suffrutescens 'Parkallee'
From £12.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
Alcalthaea suffrutescens Parkfrieden

New

× Alcalthaea suffrutescens 'Parkfrieden'
From £12.99
available to order from summer
Alcalthaea suffrutescens Parkrondell
× Alcalthaea suffrutescens 'Parkrondell'
From £14.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
Dahlia Islander
Dahlia 'Islander'
From £14.99
sold out
1 star 1 star 1 star 1 star 1 star (1)
Award-winning honeysuckle collection
Award-winning honeysuckle collection
£44.97
available to order from summer
Billardiera heterophylla
Billardiera heterophylla
£29.99
available to order from summer
0.5 star 1 star 1 star 1 star 1 star (7)
Lonicera periclymenum Heaven Scent
Lonicera periclymenum 'Heaven Scent'
£29.99
available to order from summer
0.5 star 1 star 1 star 1 star 1 star (13)
Lonicera periclymenum Chic et Choc ('Inov205') (PBR)

New

Lonicera periclymenum Chic et Choc ('Inov205') (PBR)
£27.99
available to order from summer
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