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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
Sowing month inside or protected
Sowing month outside
Ready made borders
Planting combinations
Hardy
Leaf colour
Ground cover
Position
Soil moisture
Used at RHS Chelsea Flower Show
Kitchen garden planting guidelines
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All items
Showing Flowering month : September clear all
23 items
Artemisia ludoviciana Valerie Finnis

20% off

Artemisia ludoviciana 'Valerie Finnis'
From £7.19
9cm pot
3 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star 4.5 5 4 (4)
Borago officinalis

20% off

borage
From £1.75
approx 75 organic seeds
9cm pot
2 + 1 FREE 9cm pots
0.5 star 1 star 1 star 1 star 1 star 4.4 5 5 (5)
Calamintha nepeta subsp. nepeta Blue Cloud

20% off

Calamintha nepeta subsp. nepeta 'Blue Cloud'
From £7.99
9cm pot
3 × 9cm pots
Calendula officinalis

20% off

Calendula officinalis
From £2.23
approx 100 seeds
3 × packets of seeds
0.25 star 1 star 1 star 1 star 1 star 4.3 5 4 (4)
Calendula officinalis Indian Prince (Prince Series)

20% off

Calendula officinalis 'Indian Prince' (Prince Series)
From £2.15
approx 100 seeds
3 × packets of seeds
0.75 star 1 star 1 star 1 star 1 star 4.8 5 5 (5)
Calendula officinalis Neon
Calendula officinalis 'Neon'
£2.49 £1.99
available to order from summer
Nepeta cataria

20% off

catnip
From £2.39
approx 150 seeds
9cm pot
2 + 1 FREE 9cm pots
0.5 star 1 star 1 star 1 star 1 star 4.5 5 2 (2)
Helichrysum italicum

20% off

curry plant
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)
Humulus lupulus Magnum

20% off

Humulus lupulus 'Magnum'
£19.99 £15.99
1.5 litre pot
Lavandula angustifolia Hidcote

Best Seller

20% off

Lavandula angustifolia 'Hidcote'
From £6.39
9cm pot
2 litre pot
3 × 9cm pots
3 × 2 litre pots
+ 2 more available
0.5 star 1 star 1 star 1 star 1 star 4.4 5 85 (85)
Lavandula angustifolia

20% off

lavender - common
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)
Origanum vulgare Aureum
marjoram golden
From £6.39
available to order from summer
Nepeta Cat's Pajamas

20% off

Nepeta 'Cat's Pajamas'
From £7.99
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Origanum vulgare

20% off

oregano
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)
Prunella vulgaris

20% off

Prunella vulgaris
From £2.39
approx 100 seeds
9cm pot
3 × 9cm pots
Salvia elegans

20% off

sage - pineapple
From £6.39
9cm pot
2 + 1 FREE 9cm pots
Sarah's Chelsea pairing combinations

20% off

Sarah's Chelsea 'pairing combinations'
From £27.17
4 plants | 1 of each
12 plants | 3 of each
Sarah's Chelsea silver susan combination

20% off

Sarah's Chelsea 'silver susan combination'
From £41.57
4 plants | 1 of each
11 plants
Seedballs wild rocket salad seedbombs

20% off

Seedballs wild rocket salad
£6.99 £5.59
20 seedballs in gift tube
Stachys officinalis

20% off

Stachys officinalis
£3.29 £2.63
approx 150 seeds
Artemisia dracunculus French

20% off

tarragon 'French'
From £6.39
9cm pot
2 + 1 FREE 9cm pots
0 star 0 star 1 star 1 star 1 star (2)
Camellia sinensis var. sinensis

20% off

tea plant
From £15.99
10.5cm pot
3 × 10.5cm pots
0 star 1 star 1 star 1 star 1 star (1)
Thymus serpyllum

New

20% off

Thymus serpyllum
£2.99 £2.39
approx 200 seeds

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