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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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Used at Chelsea
Kitchen garden planting guidelines
Sort by name
Available items
Showing Flowering month : September clear all
277 items
Pastels cutting garden collection

25% off

Pastels cutting garden collection
£27.22 £20.42
1 × collection In stock (shipped within 2-3 working days)
Pelargonium Torrento

50% off

Pelargonium 'Torrento'
£4.00 - £7.99
9cm pot In stock (shipped within 2-3 working days)
2 + 1 FREE 9cm pots In stock (shipped within 2-3 working days)
Pelargonium quercifolium

50% off

Pelargonium quercifolium
£4.00 - £7.99
9cm pot In stock (shipped within 2-3 working days)
2 + 1 FREE 9cm pots In stock (shipped within 2-3 working days)
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)
Pennisetum alopecuroides Hameln
Pennisetum alopecuroides 'Hameln'
£9.99 - £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)
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 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 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
periwinkle Soiree Dark Pink with Eye

50% off

periwinkle 'Soiree Dark Pink with Eye'
£3.50 - £6.99
9cm pot In stock (shipped within 2-3 working days)
2 + 1 FREE 9cm pots In stock (shipped within 2-3 working days)
Persicaria orientalis Cerise Pearls

25% off

Persicaria orientalis 'Cerise Pearls'
£3.99 £2.99
approx 100 seeds In stock (shipped within 2-3 working days)
Phalaenopsis Asian Coral

15% off

Phalaenopsis 'Asian Coral'
£32.99 - £48.28
12cm pot | 65cm tall In stock (shipped within 1-2 working days)
with white pot shipped within 2 weeks
with jute pot In stock (shipped within 2-3 working days)
with terracotta bowl pot In stock (shipped within 2-3 working days)
with verdigris pot In stock (shipped within 2-3 working days)
with green glazed pot sold out
with ribbed antique bronze pot sold out
with polished brass pot sold out
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Phalaenopsis Bellissimo Amore

15% off

Phalaenopsis 'Bellissimo Amore'
£79.99 - £141.98
15cm pot | 50cm tall In stock (shipped within 1-2 working days)
with jute pot In stock (shipped within 2-3 working days)
with aluminium pot In stock (shipped within 2-3 working days)
with terracotta orchid pot In stock (shipped within 2-3 working days)
with green glazed pot & saucer In stock (shipped within 2-3 working days)
with white pot sold out
with polished brass pot sold out
1 star 1 star 1 star 1 star 1 star 5.0 5 2
Phalaenopsis Boquetto Delight

New

Phalaenopsis 'Boquetto Delight'
£42.99
12cm pot | 35cm tall In stock (shipped within 1-2 working days)
Phalaenopsis Boquetto Passione
Phalaenopsis 'Boquetto Passione'
£42.99 - £55.98
12cm pot | 45cm tall In stock (shipped within 1-2 working days)
with jute pot In stock (shipped within 2-3 working days)
with yellow pot In stock (shipped within 2-3 working days)
with ribbed antique bronze pot sold out
Phalaenopsis Boquetto Romantico

New

Phalaenopsis 'Boquetto Romantico'
£42.99
12cm pot | 35cm tall In stock (shipped within 1-2 working days)
Phalaenopsis Honey Peach
Phalaenopsis 'Honey Peach'
£29.99
12cm pot | 65cm tall In stock (shipped within 1-2 working days)
Phalaenopsis Split
Phalaenopsis 'Split'
£24.99 - £34.98
12cm pot | 60cm tall In stock (shipped within 1-2 working days)
with white glazed pot In stock (shipped within 2-3 working days)
with olive glazed pot In stock (shipped within 2-3 working days)
with blue glazed pot In stock (shipped within 2-3 working days)
with mustard glazed pot In stock (shipped within 2-3 working days)
Phlox drummondii Cherry Caramel

25% off

Phlox drummondii 'Cherry Caramel'
£3.49 £2.62
approx 200 seeds In stock (shipped within 2-3 working days)
Phlox drummondii Crème Brûlée

25% off

Phlox drummondii 'Crème Brûlée'
£2.49 £1.87
approx 200 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Phormium Platt's Black
Phormium 'Platt's Black'
£36.99
2 litre pot In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Poppy field collection of annuals

Up to 25%

Crocus collection
Poppy field collection of annuals
£4.99 £3.74
1g packet | seeds In stock (shipped within 2-3 working days)
Potentilla fruticosa Pink Beauty
Potentilla fruticosa 'Pink Beauty' (PBR)
£21.99
2 litre pot In stock (shipped within 2-3 working days)
0.25 star 1 star 1 star 1 star 1 star
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)
Rhodochiton atrosanguineus

25% off

Rhodochiton atrosanguineus
£3.69 £2.77
approx 10 seeds In stock (shipped within 2-3 working days)
Rosa Flower Power ('Frycassia') (PBR)

50% off

Rosa Flower Power ('Frycassia') (PBR) | Patio Rose
£89.99 £45.00
7.5 litre pot | standard In stock (shipped within 2-3 working days)
Salvia Kisses and Wishes (PBR)
Salvia 'Kisses and Wishes' (PBR)
£9.99 - £39.98
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 Wendy's Wish (PBR)
Salvia 'Wendy's Wish' (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
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 Amethyst
Salvia nemorosa 'Amethyst'
£8.99 - £44.99
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
Salvia nemorosa Caradonna
Salvia nemorosa 'Caradonna'
£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)
0.75 star 1 star 1 star 1 star 1 star
Salvia nemorosa Schwellenburg
Salvia nemorosa 'Schwellenburg'
£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)
0 star 0.75 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 nemorosa Caradonna Pink Inspiration ('Tuitsalv') (PBR)
Salvia nemorosa Caradonna Pink Inspiration ('Tuitsalv') (PBR)
£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)
1 star 1 star 1 star 1 star 1 star
Salvia nemorosa Crystal Blue (Color Spires Series)
Salvia nemorosa Crystal Blue (Color Spires Series)
£9.99 - £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)
0.5 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
Salvia uliginosa
Salvia uliginosa
£18.99 - £44.99
2 litre pot 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
Salvia × sylvestris Rose Queen
Salvia × sylvestris 'Rose Queen'
£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
Sanguisorba hakusanensis Lilac Squirrel
Sanguisorba hakusanensis 'Lilac Squirrel'
£14.99 - £55.99
9cm pot In stock (shipped within 2-3 working days)
3 × 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
Sanguisorba officinalis Pink Tanna

50% off

Sanguisorba officinalis 'Pink Tanna'
£9.50 - £47.99
2 litre pot In stock (shipped within 2-3 working days)
9cm pot In stock (shipped within 2-3 working days)
3 × 2 litre pots 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
Sarah's Chelsea pairing combinations
Sarah's Chelsea 'pairing combinations'
£33.96 - £101.88
4 plants | 1 of each In stock (shipped within 2-3 working days)
12 plants | 3 of each 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
Scabiosa Kudo Pink ('Ichpin') (PBR) (Kudo Series)
Scabiosa Kudo Pink ('Ichpin') (PBR) (Kudo Series)
£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
Seedballs red campion seedbombs

Up to 25%

Crocus collection
Seedballs red campion
£5.24 - £26.24
20 seedballs in gift tube In stock (shipped within 2-3 working days)
250 seedballs gardener's bulk box Delivery by trusted supplier within 1 week
Seedballs wildlife collection

25% off

Seedballs wildlife collection
£16.99 £12.74
set of 6 In stock (shipped within 2-3 working days)
Stachys officinalis

25% off

Stachys officinalis
£3.29 £2.47
approx 150 seeds In stock (shipped within 2-3 working days)
Streptocarpus Alana
Grown in the UK
Streptocarpus 'Alana'
£15.99 - £31.98
1 × rooted cutting Delivery by trusted supplier within 1 week
2 + 1 FREE rooted cuttings Delivery by trusted supplier within 1 week
Streptocarpus Betty
Grown in the UK
Streptocarpus 'Betty'
£17.99 - £35.98
1 × rooted cutting Delivery by trusted supplier within 1 week
2 + 1 FREE rooted cuttings Delivery by trusted supplier within 1 week
Streptocarpus Caitlin
Grown in the UK
Streptocarpus 'Caitlin'
£15.99 - £31.98
1 × rooted cutting Delivery by trusted supplier within 1 week
2 + 1 FREE rooted cuttings Delivery by trusted supplier within 1 week
Streptocarpus Celebration
Grown in the UK
Streptocarpus 'Celebration'
£15.99 - £31.98
1 × rooted cutting Delivery by trusted supplier within 1 week
2 + 1 FREE rooted cuttings Delivery by trusted supplier within 1 week
Streptocarpus Hannah
Grown in the UK
Streptocarpus 'Hannah'
£15.99 - £31.98
1 × rooted cutting Delivery by trusted supplier within 1 week
2 + 1 FREE rooted cuttings Delivery by trusted supplier within 1 week
Streptocarpus Tina
Grown in the UK
Streptocarpus 'Tina'
£15.99 - £31.98
1 × rooted cutting Delivery by trusted supplier within 1 week
2 + 1 FREE rooted cuttings Delivery by trusted supplier within 1 week
Streptocarpus collection
Grown in the UK
Streptocarpus collection
£39.99
1 × collection | 6 plants Delivery by trusted supplier within 1 week
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)
Sugared almonds cutting garden collection

25% off

Sugared almonds cutting garden collection
£27.82 £20.86
1 × collection In stock (shipped within 2-3 working days)
Summer nights cutting garden collection

25% off

Summer nights cutting garden collection
£23.93 £17.95
1 × collection In stock (shipped within 2-3 working days)
Summer pudding cutting garden collection

25% off

Summer pudding cutting garden collection
£24.73 £18.55
1 × collection In stock (shipped within 2-3 working days)
Symphyotrichum Coombe Fishacre
Symphyotrichum 'Coombe Fishacre'
£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)
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
Teucrium × lucidrys
Teucrium × lucidrys
£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)
0.5 star 1 star 1 star 1 star 1 star
Thalictrum Fairy Wings
Thalictrum 'Fairy Wings'
£15.99 - £34.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
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)
Tropaeolum Baby Rose

25% off

Tropaeolum 'Baby Rose'
£2.99 £2.24
approx 30 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Tropaeolum majus Cherry Rose Jewel

25% off

Tropaeolum majus 'Cherry Rose Jewel'
£2.25 £1.69
approx 30 seeds In stock (shipped within 2-3 working days)
Tulbaghia Purple Eye
Tulbaghia 'Purple Eye'
£10.99 - £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
Verbena hastata
Verbena hastata
£8.99 - £19.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Verbena hastata f. Rosea
Verbena hastata f. 'Rosea'
£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)
1 star 1 star 1 star 1 star 1 star
Verbena officinalis var. grandiflora Bampton
Verbena officinalis var. grandiflora 'Bampton'
£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)
1 star 1 star 1 star 1 star 1 star
Vinca minor Bowles's Variety
Vinca minor 'Bowles's Variety'
£7.99 - £94.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
2 litre pot 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)
6 × 2 litre pots In stock (shipped within 2-3 working days)
0 star 0.75 star 1 star 1 star 1 star
Weigela All Summer Peach ('Slingpink') (All Summer Series)
Weigela All Summer Peach ('Slingpink') (PBR) (All Summer Series)
£25.99
2 litre pot In stock (shipped within 2-3 working days)
0 star 1 star 1 star 1 star 1 star
Weigela florida All Summer Monet ('Verweig 8') (PBR) (All Summer Series)
Weigela florida All Summer Monet ('Verweig 8') (PBR) (All Summer Series)
£24.99
2 litre pot In stock (shipped within 2-3 working days)
0 star 0 star 0 star 1 star 1 star
Weigela Picobella Rosa ('Tvp2') (PBR)
Weigela Picobella Rosa ('Tvp2') (PBR)
£23.99
2 litre pot In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
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