20% off extend the season plants | Shop now

20% off selected tulip bulbs | Preorder 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
Hardy
Leaf colour
Ground cover
Position
Shape
Soil moisture
Used at Chelsea
Kitchen garden planting guidelines
Sort by name
All items
Showing Flowering month : September clear all
1685 items
Clematis × aromatica
Clematis × aromatica
£24.95
3 litre pot | 60cm cane available to order from autumn
0 star 0 star 0 star 1 star 1 star 2.0 5 1
Clematis × triternata Rubromarginata
Clematis × triternata 'Rubromarginata'
£17.99 - £35.98
3 litre pot | 60cm cane In stock (shipped within 2-3 working days)
9cm pot | 30cm cane 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 12
Clematis Etoile Rose
Clematis Étoile Rose
£24.95
3 litre pot | 60cm cane available to order from autumn
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 4.0 5 1
Cobaea scandens
Cobaea scandens
£2.99
approx 15 seeds In stock (shipped within 2-3 working days)
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 2.8 5 4
Coffee and cream dahlia collection
Coffee & cream dahlia collection
£21.95 - £43.90
1 × collection | 4 tubers available to order from winter
2 + 1 FREE collections | 12 tubers available to order from winter
Colchicum The Giant
Colchicum 'The Giant'
£6.99 - £19.00
1 × bulb In stock (shipped within 2-3 working days)
3 × bulbs In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star 4.8 5 5
Colchicum Waterlily
Colchicum 'Waterlily'
£6.99 - £13.98
1 × bulb available to order from autumn
2 + 1 FREE bulbs available to order from autumn
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Colchicum autumnale Album
Colchicum autumnale 'Album'
£6.99 - £19.00
1 × bulb available to order from autumn
3 × bulbs available to order from autumn
1 star 1 star 1 star 1 star 1 star 5.0 5 3
Colchicum collection
Colchicum collection
£20.95 - £41.90
1 × collection | 3 bulbs available to order from autumn
2 + 1 FREE collections | 9 bulbs available to order from autumn
Comfortably Plum - Easyplanter for hanging baskets & patio pots
Comfortably Plum - Easyplanter for hanging baskets & patio pots
£26.99
Easyplanter available to order from late spring
Consolida regalis Fancy Purple Picotee
Consolida regalis 'Fancy Purple Picotee'
£3.79
approx 150 seeds In stock (shipped within 2-3 working days)
Consolida regalis QIS Dark Blue
Consolida regalis 'QIS Dark Blue'
£2.99
approx 200 seeds In stock (shipped within 2-3 working days)
Consolida regalis QIS Rose
Consolida regalis 'QIS Rose'
£2.99
approx 200 seeds In stock (shipped within 2-3 working days)
Contemporary plant combination

20% off

Contemporary plant combination
£43.96 £37.17
4 × plants | 1 of each In stock (shipped within 2-3 working days)
Cool Blue - Easyplanter for hanging baskets & patio pots
Cool Blue - Easyplanter for hanging baskets & patio pots
£26.99
Easyplanter available to order from late spring
Cool tones plant combination

20% off

Cool tones plant combination
£22.98 £18.38
2 × plants | 1 of each In stock (shipped within 2-3 working days)
Coreopsis Fool's Gold

New

Coreopsis 'Fool's Gold'
£11.99 £9.59
9cm pot available to order from autumn
Coreopsis Ladybird
Coreopsis 'Ladybird'
£7.19 - £27.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
0 star 0 star 0 star 0 star 1 star 1.0 5 1
Coreopsis verticillata Moonbeam

20% off

Coreopsis verticillata 'Moonbeam'
£7.19 - £27.99
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
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
Corynabutilon × suntense
Corynabutilon × suntense
£49.99
3 litre pot available to order from autumn
Cosmos atrosanguineus

20% off

Cosmos atrosanguineus
£7.19 - £27.99
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
Cosmos atrosanguineus Cherry Chocolate ('Vg001') (PBR)

New

Cosmos atrosanguineus Cherry Chocolate ('Vg001') (PBR)
£7.99 - £38.39
9cm pot available to order from autumn
2 litre pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
3 × 2 litre pots available to order from autumn
0 star 0 star 0 star 0 star 1 star
Cosmos atrosanguineus Chocamocha ('Thomocha') (PBR)

20% off

Cosmos atrosanguineus Chocamocha ('Thomocha') (PBR)
£7.99 - £27.99
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
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 Apricot Lemonade

New

Cosmos bipinnatus 'Apricot Lemonade'
£2.99
approx 40 seeds available to order from autumn
Cosmos bipinnatus Apricota
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
0 star 0.25 star 1 star 1 star 1 star
Cosmos bipinnatus Candy Stripe
Cosmos bipinnatus 'Candy Stripe'
£2.99
approx 100 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Casanova Pink (Casanova Series)
Cosmos bipinnatus 'Casanova Pink' (Casanova Series)
£2.49
approx 30 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Cosimo Collarette (Cosimo Series)
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 Cupcakes Blush (Cupcakes Series)

New

Cosmos bipinnatus 'Cupcakes Blush' (Cupcakes Series)
£3.49
approx 40 seeds available to order from autumn
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
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 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)
1 star 1 star 1 star 1 star 1 star
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 Fizzy Rose Picotee (Fizzy Series)
Cosmos bipinnatus 'Fizzy Rose Picotee' (Fizzy Series)
£3.29 - £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)
Cosmos bipinnatus 'Fizzy White' (Fizzy Series)
£3.29
approx 100 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Hummingbird Lilac
Cosmos bipinnatus 'Hummingbird Lilac'
£3.49
approx 40 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Purity
Cosmos bipinnatus 'Purity'
£2.89 - £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
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 Rubinato
Cosmos bipinnatus 'Rubinato'
£3.79
approx 30 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Sensation Picotee (Sensation Series)
Cosmos bipinnatus 'Sensation Picotee' (Sensation Series)
£3.79
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)
Cosmos bipinnatus 'Sensation Pinkie' (Sensation Series)
£2.99
approx 100 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Velouette
Cosmos bipinnatus 'Velouette'
£3.99
approx 30 seeds In stock (shipped within 2-3 working days)
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
< Prev 1 ... 7 8 9 ... 36 Next >

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