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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
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Used at Chelsea
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All items
Showing Flowering month : September clear all
185 items
Agrostemma githago

25% off

Agrostemma githago
£3.29 £2.47
approx 75 seeds In stock (shipped within 2-3 working days)
Amaranthus caudatus

25% off

Amaranthus caudatus
£2.79 £2.09
approx 2200 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Amaranthus caudatus Cascade Green

25% off

Amaranthus caudatus 'Cascade Green'
£2.99 £2.24
approx 2200 seeds In stock (shipped within 2-3 working days)
Ammi majus

25% off

Ammi majus
£2.09 - £36.99
approx 500 seeds In stock (shipped within 2-3 working days)
3 × packets of seeds In stock (shipped within 2-3 working days)
40 + 20 FREE seedlings sold out
0.5 star 1 star 1 star 1 star 1 star 4.5 5 4
Anthemis arvensis

25% off

Anthemis arvensis
£2.99 £2.24
approx 100 seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Admiral Crimson

25% off

Antirrhinum majus 'Admiral Crimson'
£3.29 £2.47
approx 50 seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Appleblossom

25% off

Antirrhinum majus 'Appleblossom'
£1.87 - £5.25
approx 20 seeds In stock (shipped within 2-3 working days)
3 × packets of seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Madame Butterfly Bronze White

25% off

Antirrhinum majus 'Madame Butterfly Bronze White'
£3.49 £2.62
approx 25 seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Madame Butterfly Cherry Bronze

25% off

Antirrhinum majus 'Madame Butterfly Cherry Bronze'
£3.49 £2.62
approx 25 seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Madame Butterfly Pink

New

25% off

Antirrhinum majus 'Madame Butterfly Pink'
£3.49 £2.62
approx 25 seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Madame Butterfly Red

New

25% off

Antirrhinum majus 'Madame Butterfly Red'
£3.49 £2.62
approx 25 seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Night and Day

25% off

Antirrhinum majus 'Night and Day'
£2.49 £1.87
approx 500 seeds In stock (shipped within 2-3 working days)
Aster Duchess Mixed

25% off

Aster 'Duchess Mixed'
£2.49 £1.87
approx 200 seeds In stock (shipped within 2-3 working days)
Chaenostoma cordatum Snowflake
bacopa 'Snowflake'
£6.99 - £19.98
9cm pot available to order from autumn
5 × rooted cuttings sold out
2 + 1 FREE 9cm pots available to order from autumn
10 + 5 FREE rooted cuttings sold out
bean (climbing French) Sunshine

25% off

bean (climbing French) 'Sunshine'
£3.49 £2.62
approx 50 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Bellis perennis Bellissima Series
Bellis Bellissima Series
£16.49 - £32.99
20 seedlings Delivered mid September
40 + 20 FREE seedlings Delivered mid September
0.5 star 1 star 1 star 1 star 1 star 4.5 5 6
Bidens ferulifolia Bee Happy Red ('Baleehedi') (Bee Happy Series)
Bidens ferulifolia Bee Happy Red ('Baleehedi') (Bee Happy Series)
£6.99 - £13.98
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Blue and white cutting garden collection

25% off

Blue & white cutting garden collection
£11.06 £8.30
1 × collection In stock (shipped within 2-3 working days)
Borago officinalis Alba

25% off

borage - white borage
£2.99 £2.24
approx 50 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 2
Borago officinalis

25% off

borage | Borago officinalis
£1.64 - £15.98
approx 75 organic seeds In stock (shipped within 2-3 working days)
9cm pot 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 4.5 5 4
Calendula officinalis

25% off

Calendula officinalis
£2.09 - £5.62
approx 100 seeds In stock (shipped within 2-3 working days)
3 × packets of seeds In stock (shipped within 2-3 working days)
0.25 star 1 star 1 star 1 star 1 star
Calendula officinalis Fiesta Orange
Calendula officinalis 'Fiesta Orange'
£6.99 - £13.98
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Calendula officinalis Indian Prince (Prince Series)

25% off

Calendula officinalis 'Indian Prince' (Prince Series)
£2.02 - £5.62
approx 100 seeds In stock (shipped within 2-3 working days)
3 × packets of seeds In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star
Calendula officinalis Neon
Calendula officinalis 'Neon'
£2.49 £1.87
approx 100 seeds available to order from autumn
Calendula officinalis Orange King

25% off

Calendula officinalis 'Orange King'
£2.49 £1.87
approx 150 seeds In stock (shipped within 2-3 working days)
Calendula officinalis Sherbet Fizz

25% off

Calendula officinalis 'Sherbet Fizz'
£2.49 £1.87
approx 100 seeds In stock (shipped within 2-3 working days)
Calendula officinalis Snow Princess

25% off

Calendula officinalis 'Snow Princess'
£2.89 £2.17
approx 100 seeds In stock (shipped within 2-3 working days)
Callistephus chinensis King Size Apricot

25% off

Callistephus chinensis 'King Size Apricot'
£2.79 £2.09
approx 50 seeds In stock (shipped within 2-3 working days)
Callistephus chinensis Light Blue

25% off

Callistephus chinensis 'Light Blue'
£2.99 £2.24
approx 100 seeds In stock (shipped within 2-3 working days)
Centaurea cyanus

25% off

Centaurea cyanus
£1.87 - £5.25
approx 200 seeds In stock (shipped within 2-3 working days)
3 × packets of seeds In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star
Centaurea cyanus Blue Ball

25% off

Centaurea cyanus 'Blue Ball'
£2.99 £2.24
approx 325 seeds In stock (shipped within 2-3 working days)
Centaurea cyanus Classic Fantastic

25% off

Centaurea cyanus 'Classic Fantastic'
£2.99 £2.24
approx 100 seeds In stock (shipped within 2-3 working days)
Centaurea cyanus Classic Magic

25% off

Centaurea cyanus 'Classic Magic'
£2.89 £2.17
approx 100 seeds In stock (shipped within 2-3 working days)
Centaurea cyanus Polka Dot Series

25% off

Centaurea cyanus 'Polka Dot Series'
£2.49 £1.87
approx 325 seeds In stock (shipped within 2-3 working days)
Centaurea cyanus White Ball

25% off

Centaurea cyanus 'White Ball'
£2.49 £1.87
approx 300 seeds In stock (shipped within 2-3 working days)
Cherry creme brûlée cutting garden collection
Cherry créme brûlée cutting garden collection
£25.53 £20.22
1 × collection In stock (shipped within 2-3 working days)
childrens grow bucket sunflower
childrens grow bucket 'sunflower'
£7.99 £5.99
gift set available to order from winter
Chrysanthemum Eastern Star

New

Chrysanthemum 'Eastern Star'
£1.99 £1.49
approx 500 seeds available to order from autumn
Cleome hassleriana Violet Queen

25% off

Cleome hassleriana 'Violet Queen'
£3.79 £2.84
approx 125 seeds In stock (shipped within 2-3 working days)
0 star 1 star 1 star 1 star 1 star
Consolida regalis Fancy Purple Picotee

25% off

Consolida regalis 'Fancy Purple Picotee'
£3.79 £2.84
approx 150 seeds In stock (shipped within 2-3 working days)
Consolida regalis QIS Dark Blue

25% off

Consolida regalis 'QIS Dark Blue'
£2.99 £2.24
approx 200 seeds In stock (shipped within 2-3 working days)
Consolida regalis QIS Rose

25% off

Consolida regalis 'QIS Rose'
£2.99 £2.24
approx 200 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Antiquity
Cosmos bipinnatus 'Antiquity'
£9.99 - £36.99
5 × seedlings | jumbo sold out
20 seedlings available to order from winter
10 + 5 FREE seedlings | jumbo sold out
40 + 20 FREE seedlings sold out
1 star 1 star 1 star 1 star 1 star
Cosmos bipinnatus Apricota

25% off

Cosmos bipinnatus 'Apricota'
£2.24 - £19.98
approx 50 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
0 star 0 star 0 star 0 star 1 star
Cosmos bipinnatus Candy Stripe

25% off

Cosmos bipinnatus 'Candy Stripe'
£2.99 £2.24
approx 100 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Capriola
Cosmos bipinnatus 'Capriola'
£2.99 £2.24
approx 30 seeds available to order from winter
Cosmos bipinnatus Casanova Pink (Casanova Series)
Cosmos bipinnatus 'Casanova Pink' (Casanova Series)
£2.49 £1.87
approx 30 seeds available to order from autumn
Cosmos bipinnatus Cosimo Collarette (Cosimo Series)

25% off

Cosmos bipinnatus 'Cosimo Collarette' (Cosimo Series)
£2.62 - £19.98
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 bipinnatus Dazzler

25% off

Cosmos bipinnatus 'Dazzler'
£2.25 £1.69
approx 100 seeds In stock (shipped within 2-3 working days)
0.25 star 1 star 1 star 1 star 1 star
Cosmos bipinnatus Double Click Cranberries (Double Click Series)

25% off

Cosmos bipinnatus 'Double Click Cranberries' (Double Click Series)
£4.79 £3.59
approx 60 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Double Click Rose Bonbon (Double Click Series)

25% off

Cosmos bipinnatus 'Double Click Rose Bonbon' (Double Click Series)
£4.99 £3.74
approx 75 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Double Click Snow Puff (Double Click Series)

25% off

Cosmos bipinnatus 'Double Click Snow Puff' (Double Click Series)
£3.29 £2.47
approx 60 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Fizzy Rose Picotee (Fizzy Series)

25% off

Cosmos bipinnatus 'Fizzy Rose Picotee' (Fizzy Series)
£2.47 - £19.98
approx 100 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 bipinnatus Fizzy White (Fizzy Series)

25% off

Cosmos bipinnatus 'Fizzy White' (Fizzy Series)
£3.29 £2.47
approx 100 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Hummingbird Lilac

25% off

Cosmos bipinnatus 'Hummingbird Lilac'
£3.49 £2.62
approx 40 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Purity

25% off

Cosmos bipinnatus 'Purity'
£2.17 - £36.99
approx 100 seeds In stock (shipped within 2-3 working days)
5 × seedlings | jumbo sold out
10 + 5 FREE seedlings | jumbo sold out
40 + 20 FREE seedlings sold out
0.25 star 1 star 1 star 1 star 1 star
Cosmos bipinnatus Razzmatazz Series
Cosmos bipinnatus 'Razzmatazz Series'
£18.49 - £36.99
20 seedlings available to order from winter
40 + 20 FREE seedlings sold out
0.75 star 1 star 1 star 1 star 1 star
Cosmos bipinnatus Rubenza

25% off

Cosmos bipinnatus 'Rubenza'
£2.49 £1.87
approx 30 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
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
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)
0 star 0 star 1 star 1 star 1 star
Cosmos bipinnatus Xsenia

25% off

Cosmos bipinnatus 'Xsenia'
£2.84 - £21.98
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
0 star 0 star 0 star 0 star 1 star
Cosmos bipinnatus Sonata White ('Pas1789') (Sonata Series)
Cosmos bipinnatus Sonata White ('Pas1789') (Sonata Series)
£9.99 - £19.98
5 × seedlings | jumbo sold out
10 + 5 FREE seedlings | jumbo sold out
0 star 0.5 star 1 star 1 star 1 star
cosmos gift set
cosmos gift set
£14.99 £11.24
gift set available to order from winter
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)
Cotula coronopifolia
Cotula coronopifolia
£21.99 - £39.99
1 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 9cm pots Delivery by trusted supplier within 1 week
3 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
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
Dusky sweet pea collection
Dusky sweet pea collection
£10.47 £7.58
1 × collection available to order from autumn
Elegant cutting garden collection

25% off

Elegant cutting garden collection
£13.06 £9.80
1 × collection In stock (shipped within 2-3 working days)
Farfugium japonicum var. giganteum

New

Farfugium japonicum var. giganteum
£12.99 - £29.99
9cm pot shipped within 2 weeks
3 × 9cm pots shipped within 2 weeks
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
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 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)
Helipterum Pink
Helipterum 'Pink'
£3.99 £2.99
approx seeds available to order from autumn
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)
Hosta Orange Marmalade
Hosta 'Orange Marmalade'
£14.99 - £32.99
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
Lathyrus × hammettii Primrose
Lathyrus × hammettii 'Primrose'
£2.99 £2.24
approx 20 seeds available to order from autumn
Lathyrus latifolius Red Pearl
Lathyrus latifolius 'Red Pearl'
£14.99 - £29.98
9cm pot available to order from winter
3 litre pot | 60cm cane available to order from winter
2 + 1 FREE 9cm pots available to order from winter
Lathyrus latifolius Rosa Perle
Lathyrus latifolius 'Rosa Perle'
£14.99 - £29.99
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
3 litre pot | 60cm cane available to order from autumn
0 star 0.75 star 1 star 1 star 1 star
Lathyrus latifolius White Pearl
Lathyrus latifolius 'White Pearl'
£14.99 - £29.99
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
3 litre pot | 60cm cane available to order from autumn
0 star 0 star 1 star 1 star 1 star
Lathyrus odoratus Almost Black
Lathyrus odoratus 'Almost Black'
£2.99 £2.24
approx 20 seeds available to order from autumn
Lathyrus odoratus Beaujolais

25% off

Lathyrus odoratus 'Beaujolais'
£2.24 - £13.98
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 Bobby's Girl
Lathyrus odoratus 'Bobby's Girl'
£2.99 £2.24
approx 20 seeds available to order from autumn
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 - £13.98
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 - £13.98
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 Dorothy Eckford
Lathyrus odoratus 'Dorothy Eckford'
£2.99 £2.24
approx 20 seeds available to order from autumn
Lathyrus odoratus Eclipse
Lathyrus odoratus 'Eclipse'
£2.99 £2.24
approx 20 seeds available to order from autumn
Lathyrus odoratus Gwendoline
Lathyrus odoratus 'Gwendoline'
£2.17 - £13.98
approx 20 seeds available to order from autumn
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 High Scent

25% off

Lathyrus odoratus 'High Scent'
£2.99 - £13.98
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 Jilly
Lathyrus odoratus 'Jilly'
£2.99 £2.24
approx 20 seeds available to order from autumn
Lathyrus odoratus Karen Louise
Lathyrus odoratus 'Karen Louise'
£3.49 £2.62
approx 20 seeds available to order from autumn
1 star 1 star 1 star 1 star 1 star
Lathyrus odoratus Leamington

25% off

Lathyrus odoratus 'Leamington'
£2.24 - £13.98
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 Lisa Marie
Lathyrus odoratus 'Lisa Marie'
£3.89 £2.92
approx 20 seeds available to order from autumn
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