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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
Soil type
Special conditions
Flower colour
Evergreen / deciduous
Fragrance
Attractive to wildlife
Quick growing
Eventual size
Special features
Bedding planting time
Sowing month inside or protected
Sowing month outside
Vegetable harvesting month
Vegetable groups
Ready made borders
Planting combinations
Hardy
Leaf colour
Ground cover
Position
Shape
Soil moisture
Used at RHS Chelsea Flower Show
Kitchen garden planting guidelines
Sort by highest price
All items
Showing Flowering month : September clear all
371 items
Calibrachoa Cabaret Double White

New

Up to 40% off

Calibrachoa 'Cabaret Double White'
From £6.39
9cm pot
2 + 1 FREE 9cm pots
0 star 1 star 1 star 1 star 1 star 4.0 5 2 (2)
Antirrhinum Snap in Black Apricote

New

Antirrhinum 'Snap in Black Apricote'
From £6.39
available to order from winter
0 star 0 star 0 star 1 star 1 star 2.0 5 1 (1)
Antirrhinum Snap in Black Pink

New

Antirrhinum 'Snap in Black Pink'
From £6.39
available to order from winter
Antirrhinum Snap in Black Raspberry

New

Antirrhinum 'Snap in Black Raspberry'
From £6.39
available to order from winter
Petunia Surfinia Purple (Surfinia Series)
Petunia Surfinia Purple (Surfinia Series)
From £6.39
available to order from winter
Petunia Surfinia Hot Pink (Surfinia Series)
Petunia Surfinia Hot Pink (Surfinia Series)
From £6.39
available to order from winter
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Petunia Surfinia Heavenly Blue (Surfinia Series)
Petunia Surfinia Heavenly Blue (Surfinia Series)
From £6.39
available to order from winter
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Begonia Nonstop Flame

New

Begonia 'Nonstop Flame'
From £6.39
available to order from winter
Pelargonium peltatum Sandy

New

20% off

ivy-leaf geranium 'Sandy'
From £6.39
9cm pot
2 + 1 FREE 9cm pots
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Pelargonium peltatum Amethyst

New

20% off

ivy-leaf geranium 'Amethyst'
From £6.39
9cm pot
2 + 1 FREE 9cm pots
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Pelargonium peltatum Becky

New

20% off

ivy-leaf geranium 'Becky'
From £6.39
9cm pot
2 + 1 FREE 9cm pots
Pelargonium peltatum Ville de Dresden Improved

New

20% off

ivy-leaf geranium 'Ville de Dresden Improved'
From £6.39
9cm pot
2 + 1 FREE 9cm pots
Pelargonium peltatum Ville de Paris Lilac

New

20% off

ivy-leaf geranium 'Ville de Paris Lilac'
From £6.39
9cm pot
2 + 1 FREE 9cm pots
0 star 1 star 1 star 1 star 1 star 4.0 5 1 (1)
Pelargonium peltatum Ville de Paris Red

New

20% off

ivy-leaf geranium 'Ville de Paris Red'
From £6.39
9cm pot
2 + 1 FREE 9cm pots
0 star 1 star 1 star 1 star 1 star 4.0 5 1 (1)
Brachyscome Brasco Violet

New

Brachyscome 'Brasco Violet'
From £6.39
available to order from winter
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Pelargonium Angeleyes Blueberry ('Pacbluebe') (PBR)

New

20% off

Pelargonium Angeleyes Blueberry ('Pacbluebe') (PBR)
From £6.39
9cm pot
2 + 1 FREE 9cm pots
Pelargonium Angeleyes Cassis

New

20% off

Pelargonium Angeleyes Cassis (Angeleyes Series)
From £6.39
9cm pot
2 + 1 FREE 9cm pots
Pelargonium Angeleyes Magenta

New

Pelargonium Angeleyes Magenta (Angeleyes Series)
From £6.39
available to order from winter
0 star 1 star 1 star 1 star 1 star 4.0 5 1 (1)
Pelargonium Angels Perfume Lavender

New

Pelargonium 'Angels Perfume Lavender'
From £6.39
available to order from winter
Pelargonium Citriodorum

20% off

Pelargonium 'Citriodorum'
From £6.39
9cm pot
2 + 1 FREE 9cm pots
Pelargonium Lady Plymouth
Pelargonium 'Lady Plymouth'
From £6.39
available to order from winter
Pelargonium Pinkerbell

New

Pelargonium 'Pinkerbell'
From £6.39
available to order from winter
0.5 star 1 star 1 star 1 star 1 star (2)
marguerite Aramis Girly Pink

New

Up to 50% off

marguerite 'Aramis Girly Pink'
From £5.50
9cm pot
2 + 1 FREE 9cm pots
marguerite Aramis Lemon & Pink

New

Up to 50% off

marguerite 'Aramis Lemon & Pink'
From £5.50
5 × rooted cuttings
9cm pot
2 + 1 FREE 9cm pots
1 star 1 star 1 star 1 star 1 star (1)
marguerite Aramis Peach Eye

New

Up to 50% off

marguerite 'Aramis Peach Eye'
From £5.50
5 × rooted cuttings
9cm pot
2 + 1 FREE 9cm pots
Begonia Nonstop White

New

20% off

Begonia 'Nonstop White'
From £6.39
1 litre pot
2 + 1 FREE 1 litre pots
Begonia Nonstop Red

New

20% off

Begonia 'Nonstop Red'
From £6.39
1 litre pot
2 + 1 FREE 1 litre pots
Begonia Nonstop Pink

New

20% off

Begonia 'Nonstop Pink'
From £6.39
1 litre pot
2 + 1 FREE 1 litre pots
Begonia Nonstop Lemon

New

Begonia 'Nonstop Lemon'
From £6.39
available to order from winter
Bidens Sunbird White-Yellow

New

Bidens 'Sunbird White-Yellow'
From £6.39
available to order from winter
0.25 star 1 star 1 star 1 star 1 star (3)
Bidens Sunbird Yellow Red Star Improved

New

Bidens 'Sunbird Yellow Red Star Improved'
From £6.39
available to order from winter
Begonia Sunbrero Bicolour

New

Begonia 'Sunbrero Bicolour'
From £6.39
available to order from winter
Petunia multiflora Shock Wave Deep Purple ('Pas933531')
Petunia Shock Wave Deep Purple ('Pas933531')
£9.99 £5.99
sold out
1 star 1 star 1 star 1 star 1 star (2)
Canna Wyoming
Canna 'Wyoming'
From £5.59
available to order from winter
0.25 star 1 star 1 star 1 star 1 star (4)
Nemesia Framboise ('Fleurfram') (PBR)
Nemesia Framboise ('Fleurfram') (PBR)
From £5.59
available to order from winter
chilli Cayenne

20% off

chilli 'Cayenne'
From £5.59
8.5cm pot
2 + 1 FREE 8.5cm pots
1 star 1 star 1 star 1 star 1 star (1)
Fuchsia Seventh Heaven
Fuchsia 'Seventh Heaven'
From £5.59
available to order from winter
Calendula officinalis Fiesta Orange
Calendula officinalis 'Fiesta Orange'
From £5.59
available to order from winter
Nemesia Honey Bicolour Wine (Honey Series)
Nemesia 'Honey Bicolour Wine' (Honey Series)
From £5.59
available to order from winter
Verbena Showboat Dark Red (Showboat Series)
Verbena 'Showboat Dark Red' (Showboat Series)
£10.99 £5.50
sold out
1 star 1 star 1 star 1 star 1 star (2)
Verbena Showboat Magenta (Showboat Series)

New

Verbena 'Showboat Magenta' (Showboat Series)
£10.99 £5.50
available to order from winter
0 star 1 star 1 star 1 star 1 star (2)
Nicotiana alata
Nicotiana alata
£8.99 £5.39
sold out
1 star 1 star 1 star 1 star 1 star (2)
Cosmos bipinnatus Sonata White ('Pas1789') (Sonata Series)

Best Seller

Cosmos bipinnatus Sonata White ('Pas1789') (Sonata Series)
£9.99 £5.00
available to order from winter
0 star 0.75 star 1 star 1 star 1 star (8)
Gazania Daybreak Bright Orange (Daybreak Series)
Gazania 'Daybreak Bright Orange' (Daybreak Series)
£9.99 £5.00
sold out
0.75 star 1 star 1 star 1 star 1 star (3)
Cosmos bipinnatus Double Click Cranberries (Double Click Series)

20% off

Cosmos bipinnatus 'Double Click Cranberries' (Double Click Series)
£5.99 £4.79
approx 60 seeds
Simple white cutting garden collection

20% off

Simple white cutting garden collection
£5.88 £4.70
1 × collection
Antirrhinum majus Potomac Lavender

20% off

Antirrhinum majus 'Potomac Lavender'
£5.49 £4.39
approx 50 seeds
Cosmos bipinnatus Sensation Picotee (Sensation Series)

20% off

Cosmos bipinnatus 'Sensation Picotee' (Sensation Series)
£4.99 £3.99
approx 75 seeds
0.75 star 1 star 1 star 1 star 1 star (3)
Cosmos bipinnatus Double Click Rose Bonbon (Double Click Series)

20% off

Cosmos bipinnatus 'Double Click Rose Bonbon' (Double Click Series)
£4.99 £3.99
approx 75 seeds
1 star 1 star 1 star 1 star 1 star (1)
Panicum capillare Sparkling Fountain

20% off

Panicum capillare 'Sparkling Fountain'
£4.99 £3.99
approx 100 seeds
Aster chinensis Silver Blue

New

Aster chinensis 'Silver Blue'
£4.99 £3.99
available to order from summer
Lathyrus odoratus High Scent
Lathyrus odoratus 'High Scent'
£4.79 £3.83
available to order from summer
Limonium sinuatum QIS Apricot

20% off

statice 'Apricot'
£4.79 £3.83
approx 100 seeds
Matthiola incana Column Apricot

20% off

Matthiola incana 'Column Apricot'
£4.49 £3.59
approx 100 seeds
Matthiola incana Avalanche

20% off

Matthiola incana 'Avalanche'
£4.49 £3.59
approx 100 seeds
Matthiola incana Appleblossom

20% off

Matthiola incana 'Appleblossom'
£4.49 £3.59
approx 100 seeds
Antirrhinum majus Admiral Crimson

20% off

Antirrhinum majus 'Admiral Crimson'
£4.49 £3.59
approx 50 seeds
Antirrhinum majus Madame Butterfly Pink
Antirrhinum majus 'Madame Butterfly Pink'
£4.49 £3.59
available to order from summer
Knautia macedonica

Best Seller

20% off

Knautia macedonica
From £3.43
approx 40 seeds
9cm pot
2 litre pot
3 × 9cm pots
+ 1 more available
0.5 star 1 star 1 star 1 star 1 star (44)
Cosmos bipinnatus Xanthos
Cosmos bipinnatus 'Xanthos'
From £3.43
available to order from summer
0 star 0.25 star 1 star 1 star 1 star (3)
Lathyrus odoratus Spencer Waved Mixed

20% off

Lathyrus odoratus 'Spencer Waved Mixed'
From £3.19
approx 35 seeds
Lathyrus odoratus White Frills
Lathyrus odoratus 'White Frills'
£3.99 £3.19
available to order from summer
Antirrhinum majus Admiral White

20% off

Antirrhinum majus 'Admiral White'
From £3.19
approx 50 seeds
3 × packets of seeds
1 star 1 star 1 star 1 star 1 star (1)
Tropaeolum majus Cherry Rose Jewel

20% off

nasturtium - Tropaeolum majus 'Cherry Rose Jewel'
£3.99 £3.19
approx 30 seeds
chilli Carolina Reaper

20% off

chilli 'Carolina Reaper'
£3.99 £3.19
approx 5 seeds
chilli Basket of Fire F1

20% off

chilli 'Basket of Fire' F1
£3.99 £3.19
approx 10 seeds
Persicaria orientalis Cerise Pearls

20% off

Persicaria orientalis 'Cerise Pearls'
£3.99 £3.19
approx 100 seeds
Lathyrus Prince of Orange

New

20% off

Lathyrus 'Prince of Orange'
£3.99 £3.19
approx 20 seeds
Tropaeolum minus Bloody Mary

20% off

nasturtium - Tropaeolum minus 'Bloody Mary'
£3.89 £3.11
approx 30 seeds
Lathyrus odoratus Lisa Marie
Lathyrus odoratus 'Lisa Marie'
£3.89 £3.11
available to order from summer
Lathyrus odoratus Cupani

20% off

Lathyrus odoratus 'Cupani'
From £3.03
approx 20 seeds
0 star 1 star 1 star 1 star 1 star (1)
Cleome hassleriana Violet Queen

20% off

Cleome hassleriana 'Violet Queen'
£3.79 £3.03
approx 125 seeds
0 star 1 star 1 star 1 star 1 star (1)
Stipa tenuissima

Best Seller

20% off

Stipa tenuissima
From £3.03
approx 30 seeds
9cm pot
2 litre pot
3 × 9cm pots
+ 1 more available
0.75 star 1 star 1 star 1 star 1 star (57)
Cosmos bipinnatus Xsenia

20% off

Cosmos bipinnatus 'Xsenia'
From £3.03
9cm pot
2 + 1 FREE 9cm pots
0 star 0 star 1 star 1 star 1 star (2)
Tagetes patula Strawberry Blonde

New

Up to 50% off

Tagetes patula 'Strawberry Blonde'
From £3.03
approx 50 seeds
Consolida regalis Fancy Purple Picotee

20% off

Consolida regalis 'Fancy Purple Picotee'
£3.79 £3.03
approx 150 seeds
Cobaea scandens f. alba
Cobaea scandens f.alba
£3.69 £2.95
available to order from summer
0 star 0 star 0.75 star 1 star 1 star (4)
Lathyrus odoratus Karen Louise
Lathyrus odoratus 'Karen Louise'
£3.49 £2.79
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
Lathyrus odoratus Painted Lady

20% off

Lathyrus odoratus 'Painted Lady'
From £2.79
approx 20 seeds
0 star 0 star 1 star 1 star 1 star (1)
Lathyrus odoratus Charlie's Angel
Lathyrus odoratus 'Charlie's Angel'
From £2.79
available to order from summer
0.25 star 1 star 1 star 1 star 1 star (5)
Lathyrus odoratus Winston Churchill

20% off

Lathyrus odoratus 'Winston Churchill'
From £2.79
approx 20 seeds
Cosmos bipinnatus Double Click Snow Puff (Double Click Series)

20% off

Cosmos bipinnatus 'Double Click Snow Puff' (Double Click Series)
£3.49 £2.79
approx 60 seeds
Zizia aurea

New

Zizia aurea
£3.49 £2.79
available to order from summer
Antirrhinum majus Madame Butterfly Bronze White

20% off

Antirrhinum majus 'Madame Butterfly Bronze White'
£3.49 £2.79
approx 25 seeds
Limonium sinuatum QIS White

20% off

statice 'White'
£3.49 £2.79
approx 100 seeds
Phlox drummondii Sugar Stars

20% off

Phlox drummondii 'Sugar Stars'
£3.49 £2.79
approx 300 seeds
Phlox drummondii Cherry Caramel

20% off

Phlox drummondii 'Cherry Caramel'
£3.49 £2.79
approx 200 seeds
1 star 1 star 1 star 1 star 1 star (1)
Cosmos bipinnatus Cupcakes Blush (Cupcakes Series)

New

Cosmos bipinnatus 'Cupcakes Blush' (Cupcakes Series)
£3.49 £2.79
available to order from summer
Lathyrus × hammettii Erewhon

20% off

Lathyrus × hammettii 'Erewhon'
From £2.79
approx 20 seeds
Matthiola incana Anytime Red (Anytime Series)

20% off

Matthiola incana 'Anytime Red' (Anytime Series)
£3.49 £2.79
approx 100 seeds
Cosmos bipinnatus Hummingbird Lilac

20% off

Cosmos bipinnatus 'Hummingbird Lilac'
£3.49 £2.79
approx 40 seeds
Antirrhinum majus Madame Butterfly Cherry Bronze

20% off

Antirrhinum majus 'Madame Butterfly Cherry Bronze'
£3.49 £2.79
approx 25 seeds
Lathyrus odoratus Matucana

20% off

Lathyrus odoratus 'Matucana'
From £2.71
approx 20 seeds
0.25 star 1 star 1 star 1 star 1 star (10)
Tropaeolum majus Ladybird Rose

20% off

nasturtium - Tropaeolum majus 'Ladybird Rose'
£3.39 £2.71
approx 30 seeds
Tropaeolum majus Empress of India

20% off

nasturtium - Tropaeolum majus 'Empress of India'
£3.39 £2.71
approx 35 seeds
1 star 1 star 1 star 1 star 1 star (1)
Lathyrus odoratus Blue Velvet

New

20% off

Lathyrus odoratus 'Blue Velvet'
From £2.71
approx 20 seeds
Matthiola incana Rainbow Mixture

40% off

Matthiola incana 'Rainbow Mixture'
£4.49 £2.69
approx 100 seeds
Lathyrus odoratus Daphne
Lathyrus odoratus 'Daphne'
From £2.63
available to order from summer
Lathyrus odoratus Frolic
Lathyrus odoratus 'Frolic'
£3.29 £2.63
available to order from summer
Lathyrus odoratus Leamington

20% off

Lathyrus odoratus 'Leamington'
From £2.63
approx 20 seeds
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