Up to 50% off summer plants sale | Shop now

Up to 50% off summer products sale | Shop now

Shop

Information & Help

My account

crocus
Wish-list My wheelbarrow

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
Flower colour
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
Sale
Hardy
Leaf colour
Ground cover
Position
Shape
Soil moisture
Used at Chelsea
Kitchen garden planting guidelines
Sort by popularity
Available items
Showing Flowering month : September clear all
907 items
Antirrhinum majus Admiral White
Antirrhinum majus 'Admiral White'
£3.99 - £10.00
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 1
Calendula officinalis
Calendula officinalis
£2.79 - £7.50
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 4.3 5 4
Calendula officinalis Indian Prince (Prince Series)
Calendula officinalis 'Indian Prince' (Prince Series)
£2.69 - £7.50
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 4.8 5 5
Calendula officinalis Sherbet Fizz
Calendula officinalis 'Sherbet Fizz'
£2.49
approx 100 seeds In stock (shipped within 2-3 working days)
Campanula trachelium
Campanula trachelium
£2.99
approx 150 seeds In stock (shipped within 2-3 working days)
Centaurea cyanus
Centaurea cyanus
£2.49 - £7.00
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 4.5 5 2
Centaurea scabiosa
Centaurea scabiosa
£2.99
approx 20 seeds In stock (shipped within 2-3 working days)
Cobaea scandens
Cobaea scandens
£2.99
approx 15 seeds In stock (shipped within 2-3 working days)
Cornfield seed collection
Cornfield seed collection
£3.99
1g packet | 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 Apricota

New

Cosmos bipinnatus 'Apricota'
£2.99 - £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
Cosmos bipinnatus Dazzler
Cosmos bipinnatus 'Dazzler'
£2.25
approx 100 seeds In stock (shipped within 2-3 working days)
0.25 star 1 star 1 star 1 star 1 star 4.3 5 3
Cosmos bipinnatus Xsenia

New

Cosmos bipinnatus 'Xsenia'
£3.79 - £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
Cosmos sulphureus Bright Lights mixed
Cosmos sulphureus 'Bright Lights mixed'
£2.99
approx 100 seeds In stock (shipped within 2-3 working days)
Cottage garden collection
Cottage garden collection
£7.99
2g packet | seeds In stock (shipped within 2-3 working days)
Daucus carota
Daucus carota
£2.69
approx 200 seeds In stock (shipped within 2-3 working days)
Galium verum

30% off

Galium verum
£2.99 - £13.29
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)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Glebionis segetum
Glebionis segetum
£2.99
approx 30 seeds In stock (shipped within 2-3 working days)
Viola tricolor
heartease
£2.19
approx 75 seeds In stock (shipped within 2-3 working days)
Knautia arvensis
Knautia arvensis
£2.99
approx 25 seeds In stock (shipped within 2-3 working days)
0 star 0 star 0 star 1 star 1 star 2.0 5 2
Lotus corniculatus
Lotus corniculatus
£2.99
approx 100 seeds In stock (shipped within 2-3 working days)
0 star 1 star 1 star 1 star 1 star 4.0 5 2
Matthiola incana Avalanche
Matthiola incana 'Avalanche'
£3.99
approx 100 seeds In stock (shipped within 2-3 working days)
Matthiola incana Column Apricot
Matthiola incana 'Column Apricot'
£3.49
approx 100 seeds In stock (shipped within 2-3 working days)
Nigella damascena Miss Jekyll
Nigella damascena 'Miss Jekyll'
£2.19 - £6.00
approx 500 seeds In stock (shipped within 2-3 working days)
3 × packets of seeds In stock (shipped within 2-3 working days)
0 star 1 star 1 star 1 star 1 star
Nigella papillosa African Bride
Nigella papillosa 'African Bride'
£2.39 - £6.00
approx 100 seeds In stock (shipped within 2-3 working days)
3 × packets of approx 100 seeds In stock (shipped within 2-3 working days)
Orlaya grandiflora

50% off

Use SALE10 for extra 10% off

Orlaya grandiflora
£2.89 - £3.50
approx 25 seeds In stock (shipped within 2-3 working days)
9cm pot In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star
Panicum capillare Sparkling Fountain
Panicum capillare 'Sparkling Fountain'
£3.89 - £17.99
approx 100 seeds In stock (shipped within 2-3 working days)
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Papaver rhoeas
Papaver rhoeas
£2.79 - £7.50
approx 2000 seeds In stock (shipped within 2-3 working days)
3 × packets of seeds In stock (shipped within 2-3 working days)
Papaver rhoeas Amazing Grey

New

Papaver rhoeas 'Amazing Grey'
£2.99 - £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
Poppy field collection of annuals
Poppy field collection of annuals
£4.99
1g packet | seeds In stock (shipped within 2-3 working days)
Trifolium repens
Trifolium repens
£2.79
approx 750 seeds In stock (shipped within 2-3 working days)
Tropaeolum majus Climbing Mixed
Tropaeolum majus 'Climbing Mixed'
£2.39 - £6.50
approx 40 seeds In stock (shipped within 2-3 working days)
3 × packets of seeds In stock (shipped within 2-3 working days)
Tropaeolum majus Empress of India
Tropaeolum majus 'Empress of India'
£3.39
approx 35 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Blue and white cutting garden collection
Blue & white cutting garden collection
£11.06
1 × collection In stock (shipped within 2-3 working days)
Bright and bold sweet pea collection
Bright & bold sweet pea collection
£8.67
1 × collection In stock (shipped within 2-3 working days)
Linaria maroccana Licilia collection
Linaria maroccana 'Licilia collection'
£5.98
2 packets of seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Madame Butterfly Bronze White
Antirrhinum majus 'Madame Butterfly Bronze White'
£3.49
approx 25 seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Madame Butterfly Cherry Bronze
Antirrhinum majus 'Madame Butterfly Cherry Bronze'
£3.49
approx 25 seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Madame Butterfly Pink
Antirrhinum majus 'Madame Butterfly Pink'
£3.49
approx 25 seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Potomac Lavender

New

Antirrhinum majus 'Potomac Lavender'
£4.79
approx 50 seeds In stock (shipped within 2-3 working days)
Calendula officinalis Snow Princess
Calendula officinalis 'Snow Princess'
£2.89
approx 100 seeds In stock (shipped within 2-3 working days)
Callistephus chinensis Light Blue
Callistephus chinensis 'Light Blue'
£2.99
approx 100 seeds In stock (shipped within 2-3 working days)
Centaurea cyanus White Ball
Centaurea cyanus 'White Ball'
£2.49
approx 300 seeds In stock (shipped within 2-3 working days)
Centaurea nigra

30% off

Centaurea nigra
£2.99 - £13.29
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)
1 star 1 star 1 star 1 star 1 star
Cleome hassleriana Violet Queen
Cleome hassleriana 'Violet Queen'
£3.79
approx 125 seeds In stock (shipped within 2-3 working days)
0 star 1 star 1 star 1 star 1 star
Cobaea scandens f. alba
Cobaea scandens f.alba
£3.69
approx 15 seeds In stock (shipped within 2-3 working days)
0 star 0 star 0.75 star 1 star 1 star
Cosmos bipinnatus Double Click Rose Bonbon (Double Click Series)
Cosmos bipinnatus 'Double Click Rose Bonbon' (Double Click Series)
£4.99
approx 75 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Double Click Snow Puff (Double Click Series)
Cosmos bipinnatus 'Double Click Snow Puff' (Double Click Series)
£3.29
approx 60 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Hummingbird Lilac

New

Cosmos bipinnatus 'Hummingbird Lilac'
£3.49
approx 40 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Rubenza
Cosmos bipinnatus 'Rubenza'
£2.49
approx 30 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Cosmos bipinnatus Xanthos
Cosmos bipinnatus 'Xanthos'
£4.29
approx 30 seeds In stock (shipped within 2-3 working days)
0 star 0 star 1 star 1 star 1 star
Dahlia merckii

New

Dahlia merckii
£5.49 - £35.98
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
Eupatorium cannabinum
Eupatorium cannabinum
£2.99 - £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
Helianthus Tall Single
Helianthus 'Tall Single'
£2.49 - £7.00
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
Helichrysum Eternity Mix
Helichrysum 'Eternity Mix'
£2.49
approx 350 seeds In stock (shipped within 2-3 working days)
Ipomoea lobata
Ipomoea lobata
£2.25
approx 20 seeds In stock (shipped within 2-3 working days)
Lathyrus odoratus Charlie's Angel
Lathyrus odoratus 'Charlie's Angel'
£3.49
approx 20 seeds In stock (shipped within 2-3 working days)
0 star 0 star 0 star 0 star 1 star
Lychnis coronaria
Lychnis coronaria
£2.49 - £19.99
approx 50 seeds In stock (shipped within 2-3 working days)
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Malope trifida Vulcan
Malope trifida 'Vulcan'
£2.25
approx 70 seeds In stock (shipped within 2-3 working days)
Malva moschata
Malva moschata
£2.99
approx 50 seeds In stock (shipped within 2-3 working days)
Matthiola incana Appleblossom
Matthiola incana 'Appleblossom'
£3.99
approx 100 seeds In stock (shipped within 2-3 working days)
Nicotiana Lime Green
Nicotiana 'Lime Green'
£2.25
approx 1600 seeds In stock (shipped within 2-3 working days)
Nicotiana alata Grandiflora
Nicotiana alata 'Grandiflora'
£2.39
approx 700 seeds In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star
Nicotiana mutabilis
Nicotiana mutabilis
£2.79
approx 100 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Nicotiana sylvestris
Nicotiana sylvestris
£2.79
approx 450 seeds In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star
Nigella damascena Oxford Blue
Nigella damascena 'Oxford Blue'
£2.79
approx 500 seeds In stock (shipped within 2-3 working days)
Oenothera lindheimeri The Bride
Oenothera lindheimeri 'The Bride'
£2.79
approx 25 seeds In stock (shipped within 2-3 working days)
Phacelia tanacetifolia
Phacelia tanacetifolia - green manure
£2.89
25m² pack In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Phlox drummondii Crème Brûlée
Phlox drummondii 'Crème Brûlée'
£2.49
approx 200 seeds In stock (shipped within 2-3 working days)
Prunella vulgaris

50% off

Prunella vulgaris
£2.99 - £17.49
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
Rhodochiton atrosanguineus
£3.69
approx 10 seeds In stock (shipped within 2-3 working days)
Stachys officinalis
Stachys officinalis
£3.29
approx 150 seeds In stock (shipped within 2-3 working days)
Tagetes patula Burning Embers
Tagetes patula 'Burning Embers'
£2.39
approx 50 seeds In stock (shipped within 2-3 working days)
Tagetes tenuifolia Golden Gem
Tagetes tenuifolia 'Golden Gem'
£2.99
approx 225 seeds In stock (shipped within 2-3 working days)
Tropaeolum Baby Rose
Tropaeolum 'Baby Rose'
£2.99
approx 30 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Tropaeolum majus Alaska Series
Tropaeolum majus 'Alaska Series'
£2.49
approx 40 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Tropaeolum majus Cherry Rose Jewel
Tropaeolum majus 'Cherry Rose Jewel'
£2.25
approx 30 seeds In stock (shipped within 2-3 working days)
Tropaeolum minus Bloody Mary
Tropaeolum minus 'Bloody Mary'
£3.89
approx 30 seeds In stock (shipped within 2-3 working days)
Verbena rigida Santos
Verbena rigida 'Santos'
£2.99 - £19.99
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)
Visnaga daucoides Green Mist
Visnaga daucoides 'Green Mist'
£3.29
approx 200 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Visnaga daucoides
Visnaga daucoides (syn. Ammi visnaga)
£2.49
approx 300 seeds In stock (shipped within 2-3 working days)
Summer pudding cutting garden collection
Summer pudding cutting garden collection
£24.73
1 × collection In stock (shipped within 2-3 working days)
Linaria purpurea Canon Went

New

Linaria purpurea 'Canon Went'
£3.69 - £19.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
approx 100 seeds available to order from autumn
0.5 star 1 star 1 star 1 star 1 star
Amaranthus caudatus
Amaranthus caudatus
£2.79
approx 2200 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Antirrhinum majus Admiral Crimson

New

Antirrhinum majus 'Admiral Crimson'
£3.29
approx 50 seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Appleblossom
Antirrhinum majus 'Appleblossom'
£2.49 - £7.00
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 Red
Antirrhinum majus 'Madame Butterfly Red'
£3.49
approx 25 seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Night and Day
Antirrhinum majus 'Night and Day'
£2.49
approx 500 seeds In stock (shipped within 2-3 working days)
Aster Duchess Mixed
Aster 'Duchess Mixed'
£2.49
approx 200 seeds In stock (shipped within 2-3 working days)
Centaurea cyanus Blue Ball
Centaurea cyanus 'Blue Ball'
£2.99
approx 325 seeds In stock (shipped within 2-3 working days)
Centaurea cyanus Classic Fantastic
Centaurea cyanus 'Classic Fantastic'
£2.99
approx 100 seeds In stock (shipped within 2-3 working days)
Centaurea cyanus Classic Magic
Centaurea cyanus 'Classic Magic'
£2.89
approx 100 seeds In stock (shipped within 2-3 working days)
Centaurea cyanus Polka Dot Series
Centaurea cyanus 'Polka Dot Series'
£2.49
approx 325 seeds In stock (shipped within 2-3 working days)
Consolida regalis Fancy Purple Picotee

New

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

New

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

New

Consolida regalis 'QIS Rose'
£2.99
approx 200 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Candy Stripe

New

Cosmos bipinnatus 'Candy Stripe'
£2.99
approx 100 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Cosimo Collarette (Cosimo Series)

New

Cosmos bipinnatus 'Cosimo Collarette' (Cosimo Series)
£3.49 - £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 Double Click Cranberries (Double Click Series)
Cosmos bipinnatus 'Double Click Cranberries' (Double Click Series)
£4.79
approx 60 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Fizzy White (Fizzy Series)

New

Cosmos bipinnatus 'Fizzy White' (Fizzy Series)
£3.29
approx 100 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Rubinato
Cosmos bipinnatus 'Rubinato'
£3.79
approx 30 seeds In stock (shipped within 2-3 working days)
< Prev 1 ... 7 8 9 10 Next >

Copyright © Crocus.co.uk Ltd 2025. All rights reserved.