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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
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Evergreen / deciduous
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Indoor plants by room
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Chelsea plant of year
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Leaf colour
Ground cover
Position
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Used at Chelsea
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Available items
Showing Flowering month : September clear all
796 items
Salvia nemorosa Sensation Rose (Sensation Series)

20% off

Salvia nemorosa 'Sensation Rose' (Sensation Series)
£7.99 - £39.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star 4.8 5 10
Hylotelephium spectabile (Brilliant Group) Brilliant

20% off

Hylotelephium spectabile (Brilliant Group) 'Brilliant'
£7.99 - £31.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 6
Thalictrum delavayi

20% off

Thalictrum delavayi
£7.99 - £29.59
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star 4.9 5 13
Panicum virgatum Heavy Metal

20% off

Panicum virgatum 'Heavy Metal'
£7.99 - £39.99
9cm pot In stock (shipped within 2-3 working days)
2 litre pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
0 star 0.5 star 1 star 1 star 1 star 3.5 5 2
Pennisetum villosum

20% off

Pennisetum villosum
£7.99 - £31.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
0.25 star 1 star 1 star 1 star 1 star 4.3 5 10
Rudbeckia laciniata Herbstsonne

20% off

Rudbeckia laciniata 'Herbstsonne'
£7.99 - £31.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star 4.8 5 16
Echinacea purpurea Magnus

20% off

Echinacea purpurea 'Magnus'
£7.99 - £34.39
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
0.25 star 1 star 1 star 1 star 1 star 4.3 5 20
Phlox paniculata Blue Paradise

20% off

Phlox paniculata 'Blue Paradise'
£7.99 - £31.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
0.5 star 1 star 1 star 1 star 1 star 4.5 5 8
Panicum virgatum Rehbraun

20% off

Panicum virgatum 'Rehbraun'
£7.99 - £31.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Molinia caerulea subsp. caerulea Heidebraut

20% off

Molinia caerulea subsp. caerulea 'Heidebraut'
£7.99 - £31.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star 4.7 5 3
Sternbergia lutea

20% off

Sternbergia lutea
£7.99 - £22.40
5 × bulbs Delivered during September
15 × bulbs Delivered during September
0 star 0.5 star 1 star 1 star 1 star 3.4 5 5
Salvia patens

20% off

Salvia patens
£7.99 - £31.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
0 star 0.75 star 1 star 1 star 1 star 3.7 5 3
Salvia × sylvestris Schneehügel

20% off

Salvia × sylvestris 'Schneehügel'
£7.99 - £31.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 3
Salvia uliginosa African Skies

20% off

Salvia uliginosa 'African Skies'
£7.99 - £29.59
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 2
Eutrochium maculatum (Atropurpureum Group) Purple Bush

20% off

Eutrochium maculatum (Atropurpureum Group) 'Purple Bush'
£7.99 - £27.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star 4.7 5 7
Salvia × sylvestris Rose Queen

20% off

Salvia × sylvestris 'Rose Queen'
£7.99 - £31.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star 4.4 5 5
Achillea Credo

20% off

Achillea 'Credo'
£7.99 - £31.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star 4.6 5 11
Salvia greggii Lipstick

20% off

Salvia greggii 'Lipstick'
£7.99 - £31.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 3
Salvia Hot Lips

20% off

Salvia 'Hot Lips'
£7.99 - £35.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
0.5 star 1 star 1 star 1 star 1 star 4.6 5 7
Salvia Royal Bumble

20% off

Salvia 'Royal Bumble'
£7.99 - £39.99
9cm pot In stock (shipped within 2-3 working days)
2 litre pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star 4.8 5 17
Echinacea purpurea

20% off

Echinacea purpurea
£7.99 - £35.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
0 star 1 star 1 star 1 star 1 star
Symphyotrichum novi-belgii White Ladies

Up to 50%

Symphyotrichum novi-belgii 'White Ladies'
£7.99 - £29.59
9cm pot In stock (shipped within 2-3 working days)
2 litre pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
0 star 1 star 1 star 1 star 1 star
Symphyotrichum novi-belgii Patricia Ballard

Up to 50%

Symphyotrichum novi-belgii 'Patricia Ballard'
£7.99 - £36.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
2 litre pot sold out
3 × 2 litre pots sold out
0.75 star 1 star 1 star 1 star 1 star
Symphyotrichum Little Carlow (cordifolius hybrid)

20% off

Symphyotrichum 'Little Carlow' (cordifolius hybrid)
£7.99 - £36.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star
Salvia Kisses and Wishes (PBR)

20% off

Salvia 'Kisses and Wishes' (PBR)
£7.99 - £31.98
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
Salvia Love and Wishes ('Serendip6') (PBR)

20% off

Salvia Love and Wishes ('Serendip6') (PBR)
£7.99 - £31.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star
Salvia Wendy's Wish (PBR)

20% off

Salvia 'Wendy's Wish' (PBR)
£7.99 - £31.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star
Salvia nemorosa Crystal Blue (Color Spires Series)

20% off

Salvia nemorosa Crystal Blue (Color Spires Series)
£7.99 - £27.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star
Agastache rugosa Beelicious Purple ('Agapd') (PBR)

20% off

Agastache rugosa Beelicious Purple ('Agapd') (PBR)
£7.99 - £42.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
Miscanthus sinensis Kleine Fontäne

20% off

Miscanthus sinensis 'Kleine Fontäne'
£7.99 - £39.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Kniphofia uvaria

20% off

Kniphofia uvaria
£7.99 - £35.99
9cm pot In stock (shipped within 2-3 working days)
2 litre pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Nepeta Neptune ('Bokratune') (PBR)

20% off

Nepeta Neptune ('Bokratune') (PBR)
£7.99 - £39.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star
Pennisetum Fairy Tails

20% off

Pennisetum 'Fairy Tails'
£7.99 - £31.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
Pennisetum alopecuroides Hameln

20% off

Pennisetum alopecuroides 'Hameln'
£7.99 - £42.99
9cm pot In stock (shipped within 2-3 working days)
2 litre pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
Miscanthus sinensis Gracillimus

20% off

Miscanthus sinensis 'Gracillimus'
£7.99 - £35.99
9cm pot In stock (shipped within 2-3 working days)
2 litre pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Geranium nodosum

20% off

Geranium nodosum
£7.99 - £31.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
Molinia caerulea Moorhexe

New

20% off

Molinia caerulea 'Moorhexe'
£7.99 - £34.39
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
Crocosmia Paul's Best Yellow

20% off

Crocosmia 'Paul's Best Yellow'
£7.99 - £19.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Nepeta Cat's Pajamas

20% off

Nepeta 'Cat's Pajamas'
£7.99 - £34.39
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Pennisetum alopecuroides Hameln Gold (PBR)

20% off

Pennisetum alopecuroides 'Hameln Gold' (PBR)
£7.99 - £39.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
Molinia caerulea subsp. arundinacea Transparent

20% off

Molinia caerulea subsp. arundinacea 'Transparent'
£7.99 - £31.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
Salvia nemorosa Caradonna Pink Inspiration ('Tuitsalv') (PBR)

20% off

Salvia nemorosa Caradonna Pink Inspiration ('Tuitsalv') (PBR)
£7.99 - £35.99
9cm pot In stock (shipped within 2-3 working days)
2 litre pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Crocosmia × crocosmiiflora Red King

20% off

Crocosmia × crocosmiiflora 'Red King'
£7.99 - £27.18
9cm pot In stock (shipped within 2-3 working days)
2 litre pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
2 + 1 FREE 2 litre pots In stock (shipped within 2-3 working days)
Agastache rugosa Little Adder

20% off

Agastache rugosa 'Little Adder'
£7.99 - £30.39
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
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