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.

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Showing Flowering month : September clear all

48 items

Agapanthus Midnight Star

20% off

Agapanthus 'Midnight Star'

From £11.19

Agapanthus Midnight Moon ('DWHYB20') (PBR)

20% off

Agapanthus Midnight Moon ('DWHYB20') (PBR)

From £12.79

Agapanthus Queen Mum ('Pmn06') (PBR)

20% off

Agapanthus Queen Mum ('Pmn06') (PBR)

From £12.60

Amethyst spires mini-border collection

20% off

Amethyst spires mini-border collection

~~£57.99~~ £46.39

Anemone Ruffled Swan ('Macane007') (PBR)

20% off

Anemone Ruffled Swan ('Macane007') (PBR)

From £11.99

Aster amellus King George

20% off

Aster amellus 'King George'

From £7.99

Aster chinensis Silver Blue

New

Aster chinensis 'Silver Blue'

~~£4.99~~ £3.99

Aster × frikartii Mönch

Best Seller

20% off

Aster × frikartii 'Mönch'

From £7.19

Blue spires and spots mini-border collection

Blue spots and spires mini-border collection

~~£57.99~~ £46.39

Centaurea cyanus Classic Fantastic

Centaurea cyanus 'Classic Fantastic'

~~£2.99~~ £2.39

Cirsium rivulare Trevors Felley Find (PBR)

20% off

Cirsium rivulare 'Trevors Felley Find' (PBR)

From £9.59

Clematis Crystal Fountain ('Evipo038') (PBR)

20% off

Clematis Crystal Fountain ('Evipo038') (PBR)

~~£32.95~~ £26.36

Consolida regalis QIS Dark Blue

20% off

Consolida regalis 'QIS Dark Blue'

~~£2.99~~ £2.39

Cutting garden dahlia collection

New

Cutting garden dahlia collection

From £23.16

Dry sun plant combination

20% off

Dry sun plant combination

~~£29.96~~ £23.97

Dusky violet shade mini-border collection

New

Dusky violet shade mini-border collection

From £43.99

Echinops and Achillea plant combination

20% off

Echinops & Achillea plant combination

~~£56.94~~ £45.55

Echium pininana

20% off

Echium pininana

From £3.19

Euphorbia ceratocarpa

Euphorbia ceratocarpa

From £9.59

Evening sky pollinator mini-border collection

Up to 20% off

Evening sky pollinator mini-border collection

From £46.39

Galega orientalis

Galega orientalis

From £7.19

Hedychium collection

Hedychium collection

From £21.56

Hydrangea serrata Bluebird

20% off

Hydrangea serrata 'Bluebird'

From £19.19

Long flowering moody blues mini-border collection

20% off

Long flowering moody blues mini-border collection

~~£63.99~~ £51.19

Lupinus Cashmere Cream (PBR)

20% off

Lupinus 'Cashmere Cream' (PBR)

From £10.39

Lythrum and Campanula plant combination

Lythrum & Campanula plant combination

~~£53.94~~ £43.15

Nigella damascena Oxford Blue

20% off

Nigella damascena 'Oxford Blue'

~~£2.79~~ £2.23

Opposites attract plant combination

20% off

Opposites attract plant combination

~~£53.94~~ £43.15

Pastels cutting garden collection

20% off

Pastels cutting garden collection

~~£28.62~~ £22.90

Pensham Penstemon collection

New

Pensham Penstemon collection

From £21.58

Penstemon Midnight

New

Penstemon 'Midnight'

From £7.19

Phalaenopsis Fortuno Alto

Up to 20% off

Phalaenopsis Fortuno Alto | Orchid

From £79.99

Phalaenopsis White Willd Orchid

Best Seller

20% off

Phalaenopsis White Willd Orchid

From £31.99

+ 2 more available

Pink champagne dahlia collection

Best Seller

Pink champagne dahlia collection

From £21.96

Pollinator's blue mini-border collection

20% off

Pollinator's blue mini-border collection

~~£64.99~~ £51.99

Pontederia cordata f. albiflora

Pontederia cordata f. albiflora

£42.99

Rosa Rhapsody in Blue ('Frantasia') (PBR)

20% off

Rosa Rhapsody in Blue ('Frantasia') (PBR) | Floribunda Bush Rose

~~£28.99~~ £23.19

Salvia nemorosa Caradonna

Best Seller

20% off

Salvia nemorosa 'Caradonna'

From £7.99

Salvia uliginosa African Skies

20% off

Salvia uliginosa 'African Skies'

From £7.99

Sarah's Chelsea daisy susan combination

20% off

Sarah's Chelsea 'daisy susan combination'

From £39.97

Sarah's Chelsea lavender susan combination

20% off

Sarah's Chelsea 'lavender susan combination'

From £42.37

Sarah's Chelsea silver susan combination

20% off

Sarah's Chelsea 'silver susan combination'

From £41.57

Soft summer pollinator Mini-border collection

New

Soft summer pollinator 'Mini-border collection'

From £52.79

Summer nights cutting garden collection

20% off

Summer nights cutting garden collection

~~£28.43~~ £22.74

Symphyotrichum Coombe Fishacre

20% off

Symphyotrichum 'Coombe Fishacre'

From £7.99

Symphyotrichum Little Carlow (cordifolius hybrid)

20% off

Symphyotrichum 'Little Carlow' (cordifolius hybrid)

From £7.99

Thalictrum delavayi

20% off

Thalictrum delavayi

From £7.99

Tradescantia (Andersoniana Group) JS Brainstorm (PBR)

20% off

Tradescantia (Andersoniana Group) 'JS Brainstorm' (PBR)

From £11.99

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