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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: 1674
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)
Abelia × grandiflora Lucky Lots ('Wevo2') (PBR)
£24.99
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RHS award of garden merit
Abutilon Canary Bird
Abutilon 'Canary Bird'
£32.99
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RHS award of garden merit
Abutilon megapotamicum
Abutilon megapotamicum
£29.99
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RHS award of garden merit
Achillea Credo

20% off

Achillea 'Credo'
From £7.99
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RHS award of garden merit
Achillea Moonshine

20% off

Achillea 'Moonshine'
From £7.19
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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
Achillea millefolium
From £2.99
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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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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
Agapanthus BlackJack ('Dwaghyb02') (PBR)
Agapanthus BlackJack ('Dwaghyb02') (PBR)
From £16.99
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Agapanthus Dokter Brouwer
Agapanthus 'Dokter Brouwer'
From £4.99
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Pollinator
Agapanthus Emerald Ice (PBR)
Agapanthus 'Emerald Ice' (PBR)
From £14.99
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Agapanthus Headbourne hybrids
Agapanthus 'Headbourne hybrids'
From £14.99
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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 Polar Ice
Agapanthus 'Polar Ice'
From £5.99
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Agapanthus Windsor Grey

20% off

Agapanthus 'Windsor Grey'
From £12.99
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Agapanthus africanus
Agapanthus africanus
From £13.99
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Agapanthus africanus Albus
Agapanthus africanus 'Albus'
From £13.99
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Pollinator
Agapanthus collection
Agapanthus collection
From £10.95
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RHS award of garden merit
Agapanthus Fireworks ('Mdb001') (PBR)

20% off

Agapanthus Fireworks ('Mdb001') (PBR)
From £14.99
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New
Agapanthus Midnight Moon ('DWHYB20') (PBR)
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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New
Agapanthus praecox subsp. orientalis Zambezi ('Kek5006')
Agapanthus praecox subsp. orientalis Zambezi ('Kek5006')
From £24.99
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Agapanthus Queen Mum ('Pmn06') (PBR)
Agapanthus Queen Mum ('Pmn06') (PBR)
From £15.75
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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
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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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 Little Adder

20% off

Agastache rugosa 'Little Adder'
From £7.99
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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
Agrostemma githago
£3.29
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RHS award of garden merit
Alchemilla mollis

20% off

Alchemilla mollis
From £2.79
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Alisma subcordatum
Alisma subcordatum
From £27.99
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New
Alocasia Tiny Dancers
Alocasia 'Tiny Dancers'
£16.99
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Pollinator
Alstroemeria Beach Valley (Summer Paradise - Valley Series)
Alstroemeria Beach Valley (Summer Paradise - Valley Series)
From £24.99
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Pollinator
Alstroemeria Inticancha Paraíso ('Tesparai') (PBR) (Inticancha Series)
Alstroemeria Inticancha Paraiso ('Tesparai') (PBR) (Inticancha Series)
From £24.99
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Pollinator
Alstroemeria Valley Girl ('Tesvalgirl') (Summer Paradise - Valley Series)
Alstroemeria Valley Girl ('Tesvalgirl') (Summer Paradise - Valley Series)
From £22.99
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Pollinator
Alstroemeria Valley Wild ('Tesvalwild') (Summer Paradise - Valley Series)
Alstroemeria Valley Wild ('Tesvalwild') (Summer Paradise - Valley Series)
From £22.99
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Pollinator
Althaea officinalis
Althaea officinalis
From £9.99
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Amaranthus caudatus
Amaranthus caudatus
£2.79
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Amaranthus caudatus Cascade Green
Amaranthus caudatus 'Cascade Green'
£2.99
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RHS award of garden merit
Ammi majus
Ammi majus
From £2.79
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Anagallis tenella
Anagallis tenella
From £21.99
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RHS award of garden merit
Anemanthele lessoniana

20% off

Anemanthele lessoniana
From £9.99
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RHS award of garden merit
Anemone hupehensis Hadspen Abundance

Up to 30%

Anemone hupehensis 'Hadspen Abundance'
From £9.09
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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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Pollinator
Anemone Ruffled Swan ('Macane007') (PBR)
Anemone Ruffled Swan ('Macane007') (PBR)
From £14.99
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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

20% off

Anemone × hybrida 'Honorine Jobert'
From £10.20
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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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Anemopsis californica
Anemopsis californica
From £21.99
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Pollinator
Angelica gigas

20% off

Angelica gigas
From £10.39
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Pollinator
Angelica sylvestris Vicar's Mead
Angelica sylvestris 'Vicar's Mead'
From £11.19
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Pollinator
Anthemis arvensis
Anthemis arvensis
£2.99
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Antique peach dahlia collection
Antique peach dahlia collection
From £24.95
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Pollinator
Antirrhinum majus Admiral Crimson
Antirrhinum majus 'Admiral Crimson'
£3.29
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Pollinator
Antirrhinum majus Admiral White
Antirrhinum majus 'Admiral White'
From £3.99
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Pollinator
Antirrhinum majus Appleblossom
Antirrhinum majus 'Appleblossom'
From £2.49
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Pollinator
Antirrhinum majus Madame Butterfly Bronze White
Antirrhinum majus 'Madame Butterfly Bronze White'
£3.49
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Pollinator
Antirrhinum majus Madame Butterfly Cherry Bronze
Antirrhinum majus 'Madame Butterfly Cherry Bronze'
£3.49
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Pollinator
Antirrhinum majus Madame Butterfly Pink
Antirrhinum majus 'Madame Butterfly Pink'
£3.49
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Pollinator
Antirrhinum majus Madame Butterfly Red
Antirrhinum majus 'Madame Butterfly Red'
£3.49
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Pollinator
Antirrhinum majus Night and Day
Antirrhinum majus 'Night and Day'
£2.49
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Pollinator
Antirrhinum majus Potomac Lavender
Antirrhinum majus 'Potomac Lavender'
£4.79
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Pollinator
Antirrhinum majus Sonnet Series, formula mixed
Antirrhinum majus Sonnet Series mixed
£36.99
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Aponogeton distachyos
Aponogeton distachyos
From £34.99
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Aquilegia and Anemanthele plant combination
Aquilegia & Anemanthele plant combination
£59.94
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Pollinator
Arbutus unedo
Arbutus unedo
£34.99
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RHS award of garden merit
Arctotis × hybrida hort. Flame
Arctotis × hybrida 'Flame'
From £7.99
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Arctotis × hybrida hort. Red Devil
Arctotis × hybrida 'Red Devil'
From £7.99
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Arctotis × hybrida hort. Wine
Arctotis × hybrida 'Wine'
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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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
Asclepias tuberosa
£12.99
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Assorted native oxygenating
Assorted native oxygenating bunches
From £19.99
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Aster Duchess Mixed
Aster 'Duchess Mixed'
£2.49
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RHS award of garden merit
Aster amellus King George

20% off

Aster amellus 'King George'
From £7.99
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New
Aster chinensis Silver Blue
Aster chinensis 'Silver Blue'
£4.99
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RHS award of garden merit
Aster × frikartii Mönch

20% off

Aster × frikartii 'Mönch'
From £7.19
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RHS award of garden merit
Astrantia Roma (PBR)
Astrantia 'Roma' (PBR)
From £12.99
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RHS award of garden merit
Award-winning crocosmia collection
Award-winning crocosmia collection
From £18.95
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RHS award of garden merit
Award-winning dahlia collection
Award-winning dahlia collection
From £16.45
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RHS award of garden merit
Award-winning honeysuckle collection
Award-winning honeysuckle collection
£44.97
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RHS award of garden merit
Award-winning late-summer flowering clematis collection
Award-winning late-summer flowering clematis collection
£44.97
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RHS award of garden merit
Award-winning spring, summer & autumn clematis collection
Award-winning spring, summer & autumn clematis collection
£47.97
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RHS award of garden merit
Award-winning Streptocarpus collection
Award-winning Streptocarpus collection
£39.99
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RHS award of garden merit
Award-winning summer flowering clematis collection
Award-winning summer flowering clematis collection
£44.97
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RHS award of garden merit
Award-winning sweet pea collection
Award-winning sweet pea collection
£10.27
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