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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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Attractive to wildlife
Quick growing
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Bulb divisions
Chelsea plant of year
Sowing month inside or protected
Sowing month outside
Ready made borders
Planting combinations
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Position
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Used at Chelsea
Kitchen garden planting guidelines
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All items
Showing Flowering month : September clear all
147 items
Molinia caerulea subsp. caerulea Edith Dudszus
Molinia caerulea subsp. caerulea 'Edith Dudszus'
£12.99 - £29.99
9cm pot sold out
3 × 9cm pots sold out
Molinia caerulea subsp. caerulea Heidebraut
Molinia caerulea subsp. caerulea 'Heidebraut'
£9.99 - £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 4.7 5 3
Monarda Beauty of Cobham
Monarda 'Beauty of Cobham'
£9.99 - £44.99
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)
Monarda Cambridge Scarlet

50% off

Monarda 'Cambridge Scarlet'
£5.00 - £20.00
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)
Nepeta Cat's Pajamas
Nepeta 'Cat's Pajamas'
£9.99 - £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)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Nepeta grandiflora Summer Magic (PBR)
Nepeta grandiflora 'Summer Magic' (PBR)
£8.99 - £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)
Nepeta Neptune ('Bokratune') (PBR)
Nepeta Neptune ('Bokratune') (PBR)
£9.99 - £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 4.7 5 3
Nepeta racemosa Walker's Low
Nepeta racemosa 'Walker's Low'
£8.99 - £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)
6 × 9cm pots In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star 4.7 5 18
Papaver rhoeas Amazing Grey

25% off

Papaver rhoeas 'Amazing Grey'
£2.24 - £19.99
approx 250 seeds In stock (shipped within 2-3 working days)
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
0.5 star 1 star 1 star 1 star 1 star 4.5 5 2
Pennisetum Fairy Tails
Pennisetum 'Fairy Tails'
£9.99 - £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)
Penstemon Andenken an Friedrich Hahn
Penstemon 'Andenken an Friedrich Hahn'
£8.99 - £44.99
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)
0.75 star 1 star 1 star 1 star 1 star 4.8 5 22
Penstemon Apple Blossom
Penstemon 'Apple Blossom'
£8.99 - £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 4.7 5 6
Penstemon Arabesque Appleblossom
Penstemon 'Arabesque Appleblossom'
£9.99 - £22.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Penstemon Hidcote Pink
Penstemon 'Hidcote Pink'
£8.99 - £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)
1 star 1 star 1 star 1 star 1 star 5.0 5 3
Penstemon Pensham Laura (Pensham Series)
Penstemon 'Pensham Laura' (Pensham Series)
£8.99 - £37.99
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
Penstemon Pensham Plum Jerkum (Pensham Series)
Penstemon 'Pensham Plum Jerkum' (Pensham Series)
£8.99 - £49.99
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)
0.75 star 1 star 1 star 1 star 1 star 4.8 5 11
Penstemon Raven (Bird Series)
Penstemon 'Raven' (Bird Series)
£8.99 - £49.99
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
0.75 star 1 star 1 star 1 star 1 star 4.7 5 3
Penstemon Sour Grapes M. Fish
Penstemon 'Sour Grapes' M. Fish
£8.99 - £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 star 1 star 1 star 1 star 1 star 4.1 5 13
Penstemon White Bedder
Penstemon 'White Bedder'
£8.99 - £49.99
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 14
Penstemon digitalis Dakota Burgundy ('Tnpendb') (PBR) (Dakota Series)
Penstemon digitalis Dakota Burgundy ('Tnpendb') (PBR) (Dakota Series)
£9.99 - £24.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Phlomis russeliana
Phlomis russeliana
£9.99 - £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)
0.5 star 1 star 1 star 1 star 1 star
Phlox paniculata Franz Schubert
Phlox paniculata 'Franz Schubert'
£17.99 - £39.99
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
0 star 0 star 1 star 1 star 1 star
Phlox paniculata Mount Fuji
Phlox paniculata 'Mount Fuji'
£8.99 - £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)
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
Pilosella aurantiaca
Pilosella aurantiaca
£7.99 - £34.99
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)
Prunella vulgaris

25% off

Prunella vulgaris
£2.24 - £34.99
approx 100 seeds In stock (shipped within 2-3 working days)
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 Amistad (PBR)
Salvia 'Amistad' (PBR)
£10.99 - £44.99
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)
0.5 star 1 star 1 star 1 star 1 star
Salvia greggii Lipstick
Salvia greggii 'Lipstick'
£9.99 - £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
Salvia Lake Blueberry ('Tl1016') (Salgoon Series) (PBR)

New

Salvia Lake Blueberry ('Tl1016') (Salgoon Series) (PBR)
£9.99 - £22.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Salvia Lake Flamingo ('Tl1019') (Salgoon Series)

New

Salvia Lake Flamingo ('Tl1019') (Salgoon Series) (PBR)
£9.99 - £22.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Salvia Lake Onega Imp ('Tl1018') (Salgoon Series) (PBR)

New

Salvia Lake Onega Imp ('Tl1018') (Salgoon Series) (PBR)
£9.99 - £22.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Salvia Love and Wishes ('Serendip6') (PBR)
Salvia Love and Wishes ('Serendip6') (PBR)
£9.99 - £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)
0.5 star 1 star 1 star 1 star 1 star
Salvia nemorosa Ostfriesland
Salvia nemorosa 'Ostfriesland'
£8.99 - £44.99
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)
0.75 star 1 star 1 star 1 star 1 star
Salvia nemorosa Sensation Rose (Sensation Series)
Salvia nemorosa 'Sensation Rose' (Sensation Series)
£9.99 - £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
Salvia Oriental Dove ('Dysmau') (PBR)
Salvia Oriental Dove ('Dysmau') (PBR)
£9.99 - £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
Salvia Pink Amistad ('Arggr17-011')
Salvia Pink Amistad ('Arggr17-011')
£10.99 - £44.99
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
Sanguisorba menziesii
Sanguisorba menziesii
£19.99 - £49.99
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
Scabiosa Pink Mist
Scabiosa 'Pink Mist'
£8.99 - £34.99
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
Sesleria autumnalis
Sesleria autumnalis
£19.99 - £49.99
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
0 star 0 star 1 star 1 star 1 star
Succisa pratensis
Succisa pratensis
£14.99 - £34.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Symphyotrichum novi-belgii Crimson Brocade
Symphyotrichum novi-belgii 'Crimson Brocade'
£19.99 - £49.99
2 litre pot sold out
3 × 2 litre pots sold out
Symphyotrichum novi-belgii Patricia Ballard

50% off

Symphyotrichum novi-belgii 'Patricia Ballard'
£9.99 - £36.99
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
Symphyotrichum novi-belgii White Ladies

50% off

Symphyotrichum novi-belgii 'White Ladies'
£9.99 - £36.99
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 1 star 1 star 1 star 1 star
Tradescantia (Andersoniana Group) JS Brainstorm (PBR)

New

Tradescantia (Andersoniana Group) 'JS Brainstorm' (PBR)
£11.95 - £24.95
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Tricyrtis formosana Dark Beauty
Tricyrtis formosana 'Dark Beauty'
£12.99 - £29.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Tricyrtis hirta Akachan Daisy
Tricyrtis hirta 'Akachan Daisy'
£19.99 - £49.99
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
Verbascum Clementine
Verbascum 'Clementine'
£12.99 - £28.99
9cm pot available to order from summer
3 × 9cm pots available to order from summer
0.75 star 1 star 1 star 1 star 1 star
Alcalthaea suffrutescens Parkfrieden

New

× Alcalthaea suffrutescens 'Parkfrieden'
£12.99 - £32.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
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