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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: 825
Abelia × grandiflora

20% off

Abelia × grandiflora
From £18.39
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Abelia × grandiflora Kaleidoscope (PBR)

20% off

Abelia × grandiflora 'Kaleidoscope' (PBR)
From £18.39
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Abelia × grandiflora Lucky Lots ('Wevo2') (PBR)

30% off

Abelia × grandiflora Lucky Lots ('Wevo2') (PBR)
£24.99 £17.49
View details
RHS award of garden merit
Achillea Credo

20% off

Achillea 'Credo'
From £7.99
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Pollinator
Achillea Terracotta

20% off

Achillea 'Terracotta'
From £7.99
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Pollinator
Achillea Walther Funcke

20% off

Achillea 'Walther Funcke'
From £7.99
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RHS award of garden merit
Achillea filipendulina Cloth of Gold

20% off

Achillea filipendulina 'Cloth of Gold'
From £7.19
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Pollinator
Achillea millefolium

20% off

Achillea millefolium
From £2.39
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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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Pollinator
Actaea Queen of Sheba (PBR)

20% off

Actaea 'Queen of Sheba' (PBR)
From £11.99
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Pollinator
Actaea simplex Pink Spike

20% off

Actaea simplex 'Pink Spike'
From £11.99
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Pollinator
Actaea simplex Atropurpurea Group

20% off

Actaea simplex Atropurpurea Group
From £11.99
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Pollinator
Agapanthus Emerald Ice (PBR)

20% off

Agapanthus 'Emerald Ice' (PBR)
From £11.99
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RHS award of garden merit
Agapanthus Midnight Star

20% off

Agapanthus 'Midnight Star'
From £11.19
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Agapanthus Windsor Grey

20% off

Agapanthus 'Windsor Grey'
From £11.99
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Agapanthus africanus

20% off

Agapanthus africanus
From £12.79
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Agapanthus africanus Albus

20% off

Agapanthus africanus 'Albus'
From £12.79
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Pollinator
Agapanthus BlackJack ('Dwaghyb02') (PBR)

20% off

Agapanthus BlackJack ('Dwaghyb02') (PBR)
From £13.59
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Agapanthus Midnight Moon ('DWHYB20') (PBR)

20% off

Agapanthus Midnight Moon ('DWHYB20') (PBR)
From £12.79
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Agapanthus Poppin' Purple ('MP003') (PBR) (Everpanthus Series)

20% off

Agapanthus Poppin' Purple ('MP003') (PBR) (Everpanthus Series)
From £13.59
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Agapanthus Queen Mum ('Pmn06') (PBR)

20% off

Agapanthus Queen Mum ('Pmn06') (PBR)
From £12.60
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RHS award of garden merit
Agapanthus Twister ('Ambic001') (PBR)

20% off

Agapanthus Twister ('Ambic001') (PBR)
From £12.79
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Pollinator
Agastache Blackadder

20% off

Agastache 'Blackadder'
From £7.19
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Pollinator
Agastache Blue Boa (PBR)

20% off

Agastache 'Blue Boa' (PBR)
From £7.19
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RHS award of garden merit
Agastache Blue Fortune

20% off

Agastache 'Blue Fortune'
From £7.19
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Pollinator
Agastache foeniculum Alabaster

20% off

Agastache foeniculum 'Alabaster'
From £7.19
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Pollinator
Agastache rugosa Beelicious Pink ('Agapk') (PBR)

20% off

Agastache rugosa Beelicious Pink ('Agapk') (PBR)
From £7.99
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Pollinator
Agastache rugosa Beelicious Purple ('Agapd') (PBR)

20% off

Agastache rugosa Beelicious Purple ('Agapd') (PBR)
From £7.99
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Ageratina altissima Chocolate

20% off

Ageratina altissima 'Chocolate'
From £7.19
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Pollinator
Agrostemma githago

20% off

Agrostemma githago
£3.29 £2.63
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RHS award of garden merit
Alchemilla mollis

Up to 50%

Alchemilla mollis
From £2.39
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Pollinator
Alstroemeria Inticancha Sunburst

20% off

Alstroemeria 'Inticancha Sunburst'
£24.99 £19.99
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Pollinator
Alstroemeria Beach Valley (Summer Paradise - Valley Series)

20% off

Alstroemeria Beach Valley (Summer Paradise - Valley Series)
From £19.99
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Pollinator
Alstroemeria Inticancha Magic White ('Tesmaghwi') (Inticancha Series)

20% off

Alstroemeria Inticancha Magic White ('Tesmaghwi') (Inticancha Series)
£24.99 £19.99
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Pollinator
Alstroemeria Inticancha Paraíso ('Tesparai') (PBR) (Inticancha Series)

20% off

Alstroemeria Inticancha Paraiso ('Tesparai') (PBR) (Inticancha Series)
From £19.99
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Pollinator
Alstroemeria Inticancha Sunset ('Tessunse') (Inticancha Sun Series)

20% off

Alstroemeria Inticancha Sunset ('Tessunse') (Inticancha Sun Series)
£24.99 £19.99
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Pollinator
Alstroemeria River Valley ('Tessumriver') (Summer Paradise - Valley Series)

20% off

Alstroemeria River Valley ('Tessumriver') (Summer Paradise Valley Series)
£24.99 £19.99
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Pollinator
Alstroemeria Summer Break ('Tessumbreak') (PBR) (Summer Paradise - Summer Series)

20% off

Alstroemeria Summer Break ('Tessumbreak') (PBR) (Summer Paradise Series)
£24.99 £19.99
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Pollinator
Alstroemeria Summer Breeze ('Teshunte') (PBR) (Summer Paradise Series)

20% off

Alstroemeria Summer Breeze ('Teshunte') (PBR) (Summer Paradise Series)
£24.99 £19.99
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Pollinator
Alstroemeria Summer Ice (Summer Paradise - Series)

20% off

Alstroemeria Summer Ice (Summer Paradise - Series)
£24.99 £19.99
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Pollinator
Alstroemeria Times Valley ('Tessvaltime') (Summer Paradise - Valley Series)

20% off

Alstroemeria Times Valley ('Tessvaltime') (Summer Paradise - Series)
£24.99 £19.99
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Pollinator
Alstroemeria Valley Girl ('Tesvalgirl') (Summer Paradise - Valley Series)

20% off

Alstroemeria Valley Girl ('Tesvalgirl') (Summer Paradise - Valley Series)
From £19.99
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Amaranthus caudatus

20% off

Amaranthus caudatus
£2.79 £2.23
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RHS award of garden merit
Ammi majus

20% off

Ammi majus
From £2.31
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RHS award of garden merit
Anemone hupehensis Hadspen Abundance

20% off

Anemone hupehensis 'Hadspen Abundance'
From £18.39
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Pollinator
Anemone hupehensis var. japonica Prinz Heinrich

20% off

Anemone hupehensis var. japonica 'Prinz Heinrich'
From £8.79
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Anemone Wild Swan ('Macane001') (PBR)

20% off

Anemone Wild Swan ('Macane001') (PBR)
From £12.79
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RHS award of garden merit
Anemone × hybrida Honorine Jobert

Up to 50%

Anemone × hybrida 'Honorine Jobert'
From £9.49
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RHS award of garden merit
Anemone × hybrida Königin Charlotte

20% off

Anemone × hybrida 'Königin Charlotte'
From £9.59
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RHS award of garden merit
Anemone × hybrida September Charm

20% off

Anemone × hybrida 'September Charm'
From £9.59
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Pollinator
Anemone × hybrida Whirlwind

30% off

Anemone × hybrida 'Whirlwind'
From £7.69
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Pollinator
Angelica gigas

Up to 30%

Angelica gigas
From £3.19
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Pollinator
Anthemis arvensis

20% off

Anthemis arvensis
£2.99 £2.39
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Pollinator
Antirrhinum majus Admiral Crimson

20% off

Antirrhinum majus 'Admiral Crimson'
£4.49 £3.59
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Pollinator
Antirrhinum majus Admiral White

20% off

Antirrhinum majus 'Admiral White'
£3.99 £3.19
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Pollinator
Antirrhinum majus Appleblossom

20% off

Antirrhinum majus 'Appleblossom'
£3.29 £2.63
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Pollinator
Antirrhinum majus Madame Butterfly Bronze White

20% off

Antirrhinum majus 'Madame Butterfly Bronze White'
£3.49 £2.79
View details
Pollinator
Antirrhinum majus Madame Butterfly Cherry Bronze

20% off

Antirrhinum majus 'Madame Butterfly Cherry Bronze'
£3.49 £2.79
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Pollinator
Antirrhinum majus Madame Butterfly Red

30% off

Antirrhinum majus 'Madame Butterfly Red'
£3.49 £2.44
View details
Pollinator
Antirrhinum majus Potomac Lavender

20% off

Antirrhinum majus 'Potomac Lavender'
£5.49 £4.39
View details
Pollinator
Arbutus unedo

20% off

Arbutus unedo
£29.99 £23.99
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Arctotis × hybrida hort. Flame

20% off

Arctotis × hybrida 'Flame'
From £6.39
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Arctotis × hybrida hort. Wine

20% off

Arctotis × hybrida 'Wine'
From £6.39
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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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New
Asclepias tuberosa

20% off

Asclepias tuberosa
From £10.39
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Aster Duchess Mixed

20% off

Aster 'Duchess Mixed'
£2.49 £1.99
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RHS award of garden merit
Aster × frikartii Mönch

Up to 50%

Aster × frikartii 'Mönch'
From £4.49
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RHS endorsed product
bean (climbing French) Sunshine

20% off

bean (climbing French) 'Sunshine'
£3.49 £2.79
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RHS award of garden merit
Betonica officinalis Hummelo

20% off

Betonica officinalis 'Hummelo'
From £7.19
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RHS award of garden merit
Bistorta amplexicaulis Blackfield (PBR)

20% off

Bistorta amplexicaulis 'Blackfield' (PBR)
From £11.99
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Pollinator
Bistorta amplexicaulis Firetail

20% off

Bistorta amplexicaulis 'Firetail'
From £8.79
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RHS award of garden merit
Bistorta amplexicaulis Orange Field ('Orangofield') (PBR)

20% off

Bistorta amplexicaulis Orange Field ('Orangofield') (PBR)
From £10.39
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RHS award of garden merit
Bistorta officinalis Superba

20% off

Bistorta officinalis 'Superba'
From £8.79
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Pollinator
Borago officinalis

20% off

borage
From £2.39
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Pollinator
Borago officinalis Alba

20% off

borage - white borage
£3.79 £3.03
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broccoli raab Cima di Rapa 60

20% off

broccoli raab 'Cima di Rapa 60'
£3.29 £2.63
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New
Buddleja Bressingham Bountiful

20% off

Buddleja 'Bressingham Bountiful'
£24.99 £19.99
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RHS award of garden merit
Buddleja Lochinch

20% off

Buddleja 'Lochinch'
£19.99 £15.99
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RHS award of garden merit
Buddleja Pink Delight

20% off

Buddleja 'Pink Delight'
From £15.99
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Pollinator
Buddleja Berries and Cream ('Pmoore14') (PBR)

20% off

Buddleja Berries and Cream ('Pmoore14') (PBR)
£24.99 £19.99
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RHS award of garden merit
Buddleja davidii Black Knight

20% off

Buddleja davidii 'Black Knight'
From £15.99
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Pollinator
Buddleja davidii Grand Cascade

20% off

Buddleja davidii 'Grand Cascade'
£26.99 £21.59
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RHS award of garden merit
Buddleja davidii Royal Red

20% off

Buddleja davidii 'Royal Red'
From £18.39
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Pollinator
Buddleja Little Purple (’BotEx 001’) (PBR) (Butterfly Candy Series)

20% off

Buddleja Little Purple (’BotEx 001’) (PBR) (Butterfly Candy Series)
£26.99 £21.59
View details
Pollinator
Buddleja Little Ruby ('BotEx 006') (PBR) (Butterfly Candy Series)

20% off

Buddleja Little Ruby ('BotEx 006') (PBR) (Butterfly Candy Series)
£26.99 £21.59
View details
Pollinator
Buddleja Little White (’BotEx 003’) (PBR) (Butterfly Candy Series)

20% off

Buddleja Little White (’BotEx 003’) (PBR) (Butterfly Candy Series)
£26.99 £21.59
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Buddleja × pikei Unique ('Pmoore12') (PBR)

20% off

Buddleja × pikei Unique ('Pmoore12') (PBR)
£24.99 £19.99
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Buddleja × weyeriana Bicolor

20% off

Buddleja × weyeriana 'Bicolor'
£21.99 £17.59
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Bupleurum rotundifolium Griffithii

20% off

Bupleurum rotundifolium 'Griffithii'
£2.99 £2.39
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Pollinator
Calamintha nepeta subsp. nepeta Blue Cloud

20% off

Calamintha nepeta subsp. nepeta 'Blue Cloud'
From £7.99
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Pollinator
Calendula officinalis

20% off

Calendula officinalis
£2.99 £2.39
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Pollinator
Calendula officinalis Indian Prince (Prince Series)

20% off

Calendula officinalis 'Indian Prince' (Prince Series)
£2.99 £2.39
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Pollinator
Calendula officinalis Orange King

20% off

Calendula officinalis 'Orange King'
£2.49 £1.99
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Pollinator
Calendula officinalis Sherbet Fizz

20% off

Calendula officinalis 'Sherbet Fizz'
£2.99 £2.39
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Pollinator
Calendula officinalis Snow Princess

20% off

Calendula officinalis 'Snow Princess'
£2.89 £2.31
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Callistephus chinensis King Size Apricot

20% off

Callistephus chinensis 'King Size Apricot'
£2.79 £2.23
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Callistephus chinensis Light Blue

30% off

Callistephus chinensis 'Light Blue'
£2.99 £2.09
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RHS award of garden merit
Calluna vulgaris Dark Beauty

20% off

Calluna vulgaris 'Dark Beauty'
From £7.19
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Pollinator
Campanula carpatica f. alba Weisse Clips

20% off

Campanula carpatica f. alba 'Weisse Clips'
From £6.39
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RHS award of garden merit
Campanula lactiflora Prichard's Variety

20% off

Campanula lactiflora 'Prichard's Variety'
From £7.19
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