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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
How much sun
Soil type
Special conditions
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Evergreen / deciduous
Fragrance
Attractive to wildlife
Quick growing
Eventual size
Special features
Indoor plants by room
Bulb planting time
Bulb divisions
Bedding planting time
Chelsea plant of year
Sowing month inside or protected
Sowing month outside
Vegetable harvesting month
Vegetable groups
Multibuy packs
Ready made borders
Planting combinations
Hardy
Leaf colour
Ground cover
Position
Shape
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Used at Chelsea
Kitchen garden planting guidelines
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All items
Showing Flowering month : September clear all
1650 items
Sternbergia lutea

10% off

Sternbergia lutea
£8.99 - £25.20
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
Stipa calamagrostis
Stipa calamagrostis
£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)
0 star 1 star 1 star 1 star 1 star 4.0 5 4
Stipa calamagrostis Algäu

New

Stipa calamagrostis 'Algäu'
£12.99 - £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)
Stipa ichu

New

Stipa ichu
£14.99 - £32.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Stipa lessingiana

New

Stipa lessingiana
£11.99 - £28.99
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
Stipa tenuissima

25% off

Stipa tenuissima
£2.84 - £44.99
approx 30 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)
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 47
Stocks Fragrance Mixed (10 Week Mixed)
Stocks 'Fragrance Mixed'
£14.99 - £29.99
20 seedlings available to order from winter
40 + 20 FREE seedlings sold out
0.25 star 1 star 1 star 1 star 1 star 4.1 5 8
Streptocarpus Abigail
Grown in the UK
Streptocarpus 'Abigail'
£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 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 Albatross
Grown in the UK
Streptocarpus 'Albatross'
£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 Alexis
Grown in the UK
Streptocarpus 'Alexis'
£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 Bristol's Black Bird
Grown in the UK
Streptocarpus 'Bristol's Black Bird'
£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 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 Crystal Ice (PBR)
Grown in the UK
Streptocarpus 'Crystal Ice' (PBR) & ceramic pot cover
£15.99 - £31.98
1 × rooted cutting Delivery by trusted supplier within 1 week
10cm pot | with 11cm white pot Delivery by trusted supplier within 1 week
2 + 1 FREE rooted cuttings Delivery by trusted supplier within 1 week
0.25 star 1 star 1 star 1 star 1 star 4.3 5 3
Streptocarpus Dolina
Grown in the UK
Streptocarpus 'Dolina'
£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 Falling Stars
Grown in the UK
Streptocarpus 'Falling Stars'
£15.99 - £31.98
1 × rooted cutting Delivery by trusted supplier within 1 week
10cm pot | with 11cm white pot 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 Harlequin Blue (PBR)
Grown in the UK
Streptocarpus 'Harlequin Blue' (PBR)
£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 Harlequin Purple (PBR)
Grown in the UK
Streptocarpus 'Harlequin Purple' (PBR)
£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 Hope
Grown in the UK
Streptocarpus 'Hope'
£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 Katie
Grown in the UK
Streptocarpus 'Katie'
£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 Leah
Grown in the UK
Streptocarpus 'Leah' & ceramic pot cover
£30.99
10cm pot | with 11cm white pot Delivery by trusted supplier within 1 week
Streptocarpus Lemon Sorbet
Grown in the UK
Streptocarpus 'Lemon Sorbet'
£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 Mabel
Grown in the UK
Streptocarpus 'Mabel'
£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 Polka-Dot Purple
Grown in the UK
Streptocarpus 'Polka-Dot Purple' & ceramic pot cover
£16.99 - £36.99
1 × rooted cutting Delivery by trusted supplier within 1 week
2 + 1 FREE rooted cuttings Delivery by trusted supplier within 1 week
12cm pot | with 13cm white pot Delivery by trusted supplier within 1 week
Streptocarpus Sphinx
Grown in the UK
Streptocarpus 'Sphinx'
£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 Targa
Grown in the UK
Streptocarpus 'Targa' & ceramic pot cover
£15.99 - £31.98
1 × rooted cutting Delivery by trusted supplier within 1 week
10cm pot | with 11cm white pot 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 Zoe
Grown in the UK
Streptocarpus 'Zoe'
£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
Strongly-scented sweet pea collection
Strongly-scented sweet pea collection
£9.27 £6.95
1 × collection available to order from autumn
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 glory collection

25% off

Summer glory collection
£7.99 £5.99
2g packet | seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Summer nights container plant collection
Summer nights container plant collection
£19.98 - £39.96
1 × bedding collection | 10 plants sold out
2+1 FREE bedding collections | 30 plants sold out
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 nights dahlia collection
Summer nights dahlia collection
£14.62 - £29.25
1 × collection | 3 tubers available to order from winter
2 + 1 FREE collections | 9 tubers available to order from winter
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)
Sunburst container plant collection
Sunburst container plant collection
£19.98 - £39.96
1 × bedding collection | 10 plants sold out
2+1 FREE bedding collections | 30 plants sold out
Sweet pinks container plant collection
Sweet pinks container plant collection
£19.98 - £39.96
1 × bedding collection | 10 plants sold out
2+1 FREE bedding collections | 30 plants sold out
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 Little Carlow (cordifolius hybrid)
Symphyotrichum 'Little Carlow' (cordifolius hybrid)
£9.99 - £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
Symphyotrichum novae-angliae Andenken an Alma Pötschke
Symphyotrichum novae-angliae 'Andenken an Alma Pötschke'
£19.99 - £49.99
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
Symphyotrichum novae-angliae Helen Picton
Symphyotrichum novae-angliae 'Helen Picton'
£9.99 - £27.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Symphyotrichum novae-angliae Purple Dome
Symphyotrichum novae-angliae 'Purple Dome'
£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)
3 × 2 litre pots In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star
Symphyotrichum novi-belgii Crimson Brocade
Symphyotrichum novi-belgii 'Crimson Brocade'
£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)
Symphyotrichum novi-belgii Patricia Ballard
Symphyotrichum novi-belgii 'Patricia Ballard'
£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)
0.75 star 1 star 1 star 1 star 1 star
Symphyotrichum novi-belgii White Ladies
Symphyotrichum novi-belgii 'White Ladies'
£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)
0 star 1 star 1 star 1 star 1 star
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