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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
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Flower colour
Evergreen / deciduous
Fragrance
Attractive to wildlife
Quick growing
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Indoor plants by room
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Bedding planting time
Chelsea plant of year
Sowing month inside or protected
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Multibuy packs
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Planting combinations
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Leaf colour
Ground cover
Position
Shape
Soil moisture
Used at Chelsea
Kitchen garden planting guidelines
Sort by availability
Available items
Showing Flowering month : September clear all
962 items
Campanula trachelium
Campanula trachelium
£2.99
approx 150 seeds In stock (shipped within 2-3 working days)
Nepeta cataria

25% off

catnip / Nepeta cataria
£2.99 - £11.98
approx 150 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
1 star 1 star 1 star 1 star 1 star 5.0 5 1
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 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)
Centaurea cyanus White Ball
Centaurea cyanus 'White Ball'
£2.49
approx 300 seeds In stock (shipped within 2-3 working days)
Centaurea nigra

25% off

Centaurea nigra
£2.99 - £26.24
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)
6 × 9cm pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 5
Centaurea scabiosa
Centaurea scabiosa
£2.99
approx 20 seeds In stock (shipped within 2-3 working days)
chilli Basket of Fire F1
chilli 'Basket of Fire' F1
£3.99
approx 10 seeds In stock (shipped within 2-3 working days)
chilli Carolina Reaper
chilli 'Carolina' Reaper
£3.99
approx 5 seeds In stock (shipped within 2-3 working days)
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
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)
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

25% off

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 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

25% off

Cosmos bipinnatus 'Cosimo Collarette' (Cosimo Series)
£3.49 - £19.98
approx 30 seeds In stock (shipped within 2-3 working days)
9cm pot In stock (shipped within 2-3 working days)
2 + 1 FREE 9cm pots In stock (shipped within 2-3 working days)
5 × seedlings | jumbo sold out
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
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)
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