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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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Quick growing
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Indoor plants by room
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Bedding planting time
Chelsea plant of year
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Used at Chelsea
Kitchen garden planting guidelines
Sort by availability
Available items
Showing Flowering month : September clear all
1040 items
Cosmos bipinnatus Rubinato

25% off

Cosmos bipinnatus 'Rubinato'
£3.79 £2.84
approx 30 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Sensation Picotee (Sensation Series)

25% off

Cosmos bipinnatus 'Sensation Picotee' (Sensation Series)
£3.79 £2.84
approx 75 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 2
Cosmos bipinnatus Sensation Pinkie (Sensation Series)

25% off

Cosmos bipinnatus 'Sensation Pinkie' (Sensation Series)
£2.99 £2.24
approx 100 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Velouette

25% off

Cosmos bipinnatus 'Velouette'
£3.99 £2.99
approx 30 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Xanthos

25% off

Cosmos bipinnatus 'Xanthos'
£4.29 £3.22
approx 30 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Cosmos bipinnatus Xsenia

New

25% off

Cosmos bipinnatus 'Xsenia'
£2.84 - £16.49
approx 30 seeds In stock (shipped within 2-3 working days)
9cm pot available to order from autumn
5 × seedlings | jumbo sold out
2 + 1 FREE 9cm pots available to order from autumn
10 + 5 FREE seedlings | jumbo sold out
Cosmos sulphureus Bright Lights mixed

25% off

Cosmos sulphureus 'Bright Lights mixed'
£2.99 £2.24
approx 100 seeds In stock (shipped within 2-3 working days)
Cottage garden collection

25% off

Cottage garden collection
£7.99 £5.99
2g packet | seeds In stock (shipped within 2-3 working days)
Dahlia merckii

New

25% off

Dahlia merckii
£4.12 - £26.98
approx 10 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)
1 × tuber available to order from winter
2 litre pot available to order from autumn
2 + 1 FREE 2 litre pots available to order from autumn
Daucus carota

25% off

Daucus carota
£2.69 £2.02
approx 200 seeds In stock (shipped within 2-3 working days)
Daucus carota Dara

25% off

Daucus carota 'Dara'
£2.79 £2.09
approx 50 seeds In stock (shipped within 2-3 working days)
0 star 0 star 0.5 star 1 star 1 star 2.5 5 2
Eupatorium cannabinum

25% off

Eupatorium cannabinum
£2.24 - £49.99
approx 200 seeds In stock (shipped within 2-3 working days)
1 litre aquatic pot available to order from summer
3 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
5 litre aquatic pot available to order from summer
Gaillardia × grandiflora Burgunder

25% off

Gaillardia × grandiflora 'Burgunder'
£2.24 - £11.06
approx 20 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)
Galium verum

25% off

Galium verum
£2.24 - £26.24
approx 250 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)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Glebionis segetum

25% off

Glebionis segetum
£2.99 £2.24
approx 30 seeds In stock (shipped within 2-3 working days)
Viola tricolor

25% off

heartease
£2.19 £1.64
approx 75 seeds In stock (shipped within 2-3 working days)
Helianthus Tall Single

25% off

Helianthus 'Tall Single'
£1.87 - £5.25
approx 50 seeds In stock (shipped within 2-3 working days)
3 × packets of seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 2
Helianthus annuus Desire Red

25% off

Helianthus annuus 'Desire Red'
£3.99 £2.99
approx 10 seeds In stock (shipped within 2-3 working days)
Helianthus annuus Ms Mars

25% off

Helianthus annuus 'Ms Mars'
£2.99 £2.24
approx 20 seeds In stock (shipped within 2-3 working days)
Helianthus debilis Soluna Bronze

25% off

Helianthus debilis 'Soluna Bronze'
£3.49 £2.62
approx 30 seeds In stock (shipped within 2-3 working days)
Helianthus debilis Soluna Lemon

25% off

Helianthus debilis 'Soluna Lemon'
£3.49 £2.62
approx 30 seeds In stock (shipped within 2-3 working days)
Helichrysum Eternity Mix

25% off

Helichrysum 'Eternity Mix'
£2.49 £1.87
approx 350 seeds In stock (shipped within 2-3 working days)
Heritage sweet pea seed gift box

25% off

Heritage sweet pea seed gift box
£19.99 £14.99
gift set In stock (shipped within 2-3 working days)
Ipomoea lobata

25% off

Ipomoea lobata
£2.25 £1.69
approx 20 seeds In stock (shipped within 2-3 working days)
Knautia arvensis

25% off

Knautia arvensis
£2.99 £2.24
approx 25 seeds In stock (shipped within 2-3 working days)
0 star 0 star 0 star 1 star 1 star
Knautia macedonica

25% off

Knautia macedonica
£2.99 - £37.49
approx 40 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)
2 litre pot 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
Lathyrus odoratus Beaujolais

25% off

Lathyrus odoratus 'Beaujolais'
£2.24 - £10.48
approx 20 seeds In stock (shipped within 2-3 working days)
9cm pot | 5 - 7 seedlings available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
1 star 1 star 1 star 1 star 1 star
Lathyrus odoratus Charlie's Angel

25% off

Lathyrus odoratus 'Charlie's Angel'
£3.49 £2.62
approx 20 seeds In stock (shipped within 2-3 working days)
0 star 0 star 0 star 0 star 1 star
Lathyrus odoratus Cupani

25% off

Lathyrus odoratus 'Cupani'
£2.84 - £10.48
approx 20 seeds In stock (shipped within 2-3 working days)
9cm pot | 5 - 7 seedlings available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
0 star 1 star 1 star 1 star 1 star
Lathyrus odoratus Daphne

25% off

Lathyrus odoratus 'Daphne'
£2.24 - £10.48
approx 20 seeds In stock (shipped within 2-3 working days)
9cm pot | 5 - 7 seedlings available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Lathyrus odoratus High Scent

25% off

Lathyrus odoratus 'High Scent'
£2.99 - £10.48
approx 20 seeds In stock (shipped within 2-3 working days)
9cm pot | 5 - 7 seedlings available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Lathyrus odoratus Leamington

25% off

Lathyrus odoratus 'Leamington'
£2.24 - £10.48
approx 20 seeds In stock (shipped within 2-3 working days)
9cm pot | 5 - 7 seedlings available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Lathyrus odoratus Matucana

25% off

Lathyrus odoratus 'Matucana'
£2.55 - £10.48
approx 20 seeds In stock (shipped within 2-3 working days)
9cm pot | 5 - 7 seedlings available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
0.5 star 1 star 1 star 1 star 1 star
Lathyrus odoratus Midnight

25% off

Lathyrus odoratus 'Midnight'
£2.24 - £10.48
approx 20 seeds In stock (shipped within 2-3 working days)
9cm pot | 5 - 7 seedlings available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
1 star 1 star 1 star 1 star 1 star
Lathyrus odoratus Mollie Rilstone

25% off

Lathyrus odoratus 'Mollie Rilstone'
£2.89 £2.17
approx 20 seeds In stock (shipped within 2-3 working days)
Lathyrus odoratus Noel Sutton

25% off

Lathyrus odoratus 'Noel Sutton'
£1.42 - £10.48
approx 20 seeds In stock (shipped within 2-3 working days)
9cm pot | 5 - 7 seedlings available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Lathyrus odoratus Painted Lady

25% off

Lathyrus odoratus 'Painted Lady'
£2.47 - £10.48
approx 20 seeds In stock (shipped within 2-3 working days)
9cm pot | 5 - 7 seedlings available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Lathyrus odoratus Spencer Waved Mixed

25% off

Lathyrus odoratus 'Spencer Waved Mixed'
£2.99 - £10.48
approx 35 seeds In stock (shipped within 2-3 working days)
9cm pot | 5 - 7 seedlings available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Lathyrus odoratus Top Hat

25% off

Lathyrus odoratus 'Top Hat'
£2.99 £2.24
approx 20 seeds In stock (shipped within 2-3 working days)
Lathyrus odoratus Winston Churchill

25% off

Lathyrus odoratus 'Winston Churchill'
£2.02 - £10.48
approx 20 seeds In stock (shipped within 2-3 working days)
9cm pot | 5 - 7 seedlings available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Lathyrus odoratus var. nanellus Pink Cupid

25% off

Lathyrus odoratus var. nanellus 'Pink Cupid'
£2.02 - £6.99
approx 20 seeds In stock (shipped within 2-3 working days)
9cm pot | 5 - 7 seedlings available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Lathyrus × hammettii Erewhon

25% off

Lathyrus × hammettii 'Erewhon'
£2.62 - £10.48
approx 20 seeds In stock (shipped within 2-3 working days)
9cm pot | 5 - 7 seedlings available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Lepidium sativum

New

25% off

Lepidium sativum
£2.99 £2.24
approx 4500 seeds In stock (shipped within 2-3 working days)
Limnanthes douglasii

25% off

Limnanthes douglasii
£2.49 £1.87
approx 125 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Linaria maroccana Licilia Red (Licilia Series)

25% off

Linaria maroccana 'Licilia Red' (Licilia Series)
£2.99 £2.24
approx 500 seeds In stock (shipped within 2-3 working days)
Linaria maroccana Licilia Violet (Licilia Series)

25% off

Linaria maroccana 'Licilia Violet' (Licilia Series)
£2.99 £2.24
approx 500 seeds In stock (shipped within 2-3 working days)
Lotus corniculatus

25% off

Lotus corniculatus
£2.99 £2.24
approx 100 seeds In stock (shipped within 2-3 working days)
0 star 1 star 1 star 1 star 1 star
Lychnis coronaria

25% off

Lychnis coronaria
£1.87 - £14.99
approx 50 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)
Malope trifida Vulcan

25% off

Malope trifida 'Vulcan'
£2.25 £1.69
approx 70 seeds In stock (shipped within 2-3 working days)
Malva moschata

25% off

Malva moschata
£2.99 £2.24
approx 50 seeds In stock (shipped within 2-3 working days)
Matthiola incana Anytime Red (Anytime Series)

New

25% off

Matthiola incana 'Anytime Red' (Anytime Series)
£3.49 £2.62
approx 100 seeds In stock (shipped within 2-3 working days)
Matthiola incana Appleblossom

25% off

Matthiola incana 'Appleblossom'
£3.99 £2.99
approx 100 seeds In stock (shipped within 2-3 working days)
Matthiola incana Avalanche

25% off

Matthiola incana 'Avalanche'
£3.99 £2.99
approx 100 seeds In stock (shipped within 2-3 working days)
Matthiola incana Column Apricot

25% off

Matthiola incana 'Column Apricot'
£3.49 £2.62
approx 100 seeds In stock (shipped within 2-3 working days)
Matthiola incana Rainbow Mixture

25% off

Matthiola incana 'Rainbow Mixture'
£3.99 £2.99
approx 100 seeds In stock (shipped within 2-3 working days)
Mimosa pudica

25% off

Mimosa pudica
£2.99 £2.24
approx 150 seeds In stock (shipped within 2-3 working days)
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