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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.

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Used at RHS Chelsea Flower Show
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Showing Flowering month : September clear all
666 items
Viola tricolor

25% off

heartease
£2.79 £2.09
approx 75 seeds
Knautia arvensis

25% off

Knautia arvensis
£2.99 £2.24
approx 25 seeds
0 star 0 star 0 star 1 star 1 star 2.0 5 2 (2)
Lathyrus odoratus Blue Velvet

New

25% off

Lathyrus odoratus 'Blue Velvet'
From £2.54
approx 20 seeds
Lathyrus odoratus Cupani

25% off

Lathyrus odoratus 'Cupani'
From £2.84
approx 20 seeds
0 star 1 star 1 star 1 star 1 star 4.0 5 1 (1)
Lathyrus odoratus Leamington

25% off

Lathyrus odoratus 'Leamington'
From £2.47
approx 20 seeds
Lathyrus odoratus Midnight

25% off

Lathyrus odoratus 'Midnight'
From £2.47
approx 20 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Lathyrus odoratus Mollie Rilstone

25% off

Lathyrus odoratus 'Mollie Rilstone'
From £2.47
approx 20 seeds
Lathyrus odoratus Top Hat

25% off

Lathyrus odoratus 'Top Hat'
From £2.24
approx 20 seeds
Lathyrus × hammettii Erewhon

25% off

Lathyrus × hammettii 'Erewhon'
From £2.62
approx 20 seeds
Linaria maroccana Licilia Violet (Licilia Series)

25% off

Linaria maroccana 'Licilia Violet' (Licilia Series)
£2.99 £2.24
approx 500 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Tropaeolum majus Empress of India

25% off

nasturtium - Tropaeolum majus 'Empress of India'
£3.39 £2.54
approx 35 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Nigella Persian Jewels

New

25% off

Nigella 'Persian Jewels'
£2.99 £2.24
approx 500 seeds
Nigella papillosa African Bride

25% off

Nigella papillosa 'African Bride'
From £2.17
approx 100 seeds
3 × packets of approx 100 seeds
Nigella papillosa Delft Blue

25% off

Nigella papillosa 'Delft Blue'
From £2.09
approx 500 seeds
Nigella papillosa Midnight

25% off

Nigella papillosa 'Midnight'
£2.99 £2.24
approx 500 seeds
Phlox drummondii Sugar Stars

25% off

Phlox drummondii 'Sugar Stars'
£3.49 £2.62
approx 300 seeds
Prunella vulgaris

25% off

Prunella vulgaris
From £2.24
approx 100 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
Rhodochiton atrosanguineus

25% off

Rhodochiton atrosanguineus
£3.99 £2.99
approx 10 seeds
Salvia viridis

New

25% off

Salvia viridis
£2.99 £2.24
approx 300 seeds
Stachys officinalis

25% off

Stachys officinalis
£3.29 £2.47
approx 150 seeds
Thymus serpyllum

New

25% off

Thymus serpyllum
£2.99 £2.24
approx 200 seeds
Verbascum Southern Charm

New

25% off

Verbascum 'Southern Charm'
£4.99 £3.74
approx 10 seeds
Visnaga daucoides Green Mist

25% off

Visnaga daucoides 'Green Mist'
£3.29 £2.47
approx 200 seeds
1 star 1 star 1 star 1 star 1 star (2)
Phacelia tanacetifolia

25% off

Phacelia tanacetifolia - green manure
£2.89 £2.17
25m² pack
1 star 1 star 1 star 1 star 1 star (3)
Bright and bold sweet pea collection

25% off

Bright & bold sweet pea collection
£9.97 £7.48
1 × collection
Linaria maroccana Licilia collection

25% off

Linaria maroccana 'Licilia collection'
£5.98 £4.48
2 packets of seeds
Ruffling skies cutting garden collection

25% off

Ruffling skies cutting garden collection
£15.05 £11.29
1 × collection
Summer pudding cutting garden collection

25% off

Summer pudding cutting garden collection
£28.53 £21.40
1 × collection
Centaurea cyanus Classic Magic
Centaurea cyanus 'Classic Magic'
£2.89
approx 100 seeds
Consolida regalis Fancy Purple Picotee

25% off

Consolida regalis 'Fancy Purple Picotee'
£3.79 £2.84
approx 150 seeds
Consolida regalis QIS Dark Blue

25% off

Consolida regalis 'QIS Dark Blue'
£2.99 £2.24
approx 200 seeds
Cosmos bipinnatus Double Click Cranberries (Double Click Series)

25% off

Cosmos bipinnatus 'Double Click Cranberries' (Double Click Series)
£5.99 £4.49
approx 60 seeds
Helianthus annuus Desire Red
Helianthus annuus 'Desire Red'
£3.99
approx 10 seeds
Lathyrus odoratus High Scent

25% off

Lathyrus odoratus 'High Scent'
£4.79 £3.59
approx 20 seeds
Linaria purpurea

New

25% off

Linaria purpurea
£2.99 £2.24
approx 100 seeds
Verbena bonariensis Vanity
Verbena bonariensis 'Vanity'
£3.99
approx 40 seeds
Cherry creme brûlée cutting garden collection

25% off

Cherry créme brûlée cutting garden collection
£25.33 £19.00
1 × collection
Sugared almonds cutting garden collection

25% off

Sugared almonds cutting garden collection
£28.62 £22.19
1 × collection
Summer nights cutting garden collection

25% off

Summer nights cutting garden collection
£28.43 £21.32
1 × collection
Nymphaea Burgundy Princess
Nymphaea 'Burgundy Princess'
£38.99
1 litre aquatic pot
Nymphaea Joey Tomocik
Nymphaea 'Joey Tomocik'
£52.99
3 litre aquatic pot
Lythrum salicaria

25% off

Lythrum salicaria
From £18.74
1 litre aquatic pot
3 × 9cm pots
3 × 1 litre aquatic pots
1 star 1 star 1 star 1 star 1 star (1)
Nymphaea Fire Crest
Nymphaea 'Fire Crest'
£52.99
3 litre aquatic pot
Nymphaea Inner Light
Nymphaea 'Inner Light'
£52.99
3 litre aquatic pot
Nymphaea Paul Harriot
Nymphaea 'Paul Harriot'
From £52.99
3 litre aquatic pot
10 litre pot
30 litre pot
Nymphaea Virginalis
Nymphaea 'Virginalis'
From £38.99
1 litre aquatic pot
3 litre aquatic pot
10 litre aquatic pot
30 litre pot
Nymphaea tetragona
Nymphaea tetragona
From £38.99
1 litre aquatic pot
2 litre aquatic pot
Nymphaea Marliacea Chromatella
Nymphaea 'Marliacea Chromatella'
From £38.99
3 litre aquatic pot
10 litre aquatic pot
30 litre pot
Phalaenopsis Boquetto Passione
Phalaenopsis Boquetto Passione | Orchid
From £42.99
12cm pot | 45cm tall
with jute pot
Lavandula angustifolia
lavender - common
From £7.99
9cm pot
2 + 1 FREE 9cm pots
1 star 1 star 1 star 1 star 1 star (2)
Phalaenopsis Bellissimo Amore

Best Seller

Phalaenopsis Bellissimo Amore | Orchid
From £79.99
15cm pot | 50cm tall
with white pot
with aluminium pot
with terracotta orchid pot
+ 1 more available
1 star 1 star 1 star 1 star 1 star (2)
Phalaenopsis Formidablo Iguaza Falls
Phalaenopsis Formidablo Iguaza Falls | Orchid
From £69.99
12cm pot | 60cm tall
with white pot
with terracotta pot
with verdigris pot
Phalaenopsis Split
Phalaenopsis Split | Orchid
From £26.99
12cm pot | 60cm tall
with silver pot
with white pot
Phalaenopsis Exclusivo Violet Queen
Phalaenopsis Violet Queen | Orchid
From £36.99
12cm pot | 45cm tall
with silver pot
with terracotta pot
with brass pot
Hosta Time in a Bottle (PBR)

New

Hosta 'Time in a Bottle' (PBR)
£14.99
9cm pot
Streptocarpus Betty
Streptocarpus 'Betty'
From £18.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Phalaenopsis Aromio Spring
Phalaenopsis Aromio Spring | Scented Orchid
From £24.99
7cm pot | 25cm tall
with ribbed terracotta pot
with green ombre pot
with terracotta pot
1 star 1 star 1 star 1 star 1 star (1)
chilli Basket of Fire F1

25% off

chilli 'Basket of Fire' F1
£3.99 £2.99
approx 10 seeds
Heritage sweet pea seed gift box

25% off

Heritage sweet pea seed gift box
£22.99 £17.24
gift set
Seedballs artists meadow seedbombs

25% off

Seedballs artists meadow
From £5.99
20 seedballs in gift tin
250 seedballs gardener's bulk box
500 seedballs gardener's bulk box
0 star 0 star 0 star 0 star 1 star (1)
Seedballs wildlife collection

25% off

Seedballs wildlife collection
£16.99 £12.74
set of 6
Streptocarpus Polka-Dot Purple
Streptocarpus 'Polka-Dot Purple' & ceramic pot cover
From £18.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
12cm pot | with 13cm white pot
Streptocarpus Sirius

New

Streptocarpus 'Sirius' & ceramic pot cover
£44.99
12cm pot | with 13cm white pot
Streptocarpus Targa
Streptocarpus 'Targa' & ceramic pot cover
From £16.99
1 × rooted cutting
10cm pot | with 11cm white pot
2 + 1 FREE rooted cuttings
Award-winning Streptocarpus collection
Award-winning Streptocarpus collection
£41.99
1 × collection | 6 plants
0 star 1 star 1 star 1 star 1 star (1)
Streptocarpus collection Blue and Pink
Blue and pink streptocarpus collection
£41.99
1 × collection | 6 plants
Streptocarpus Abigail
Streptocarpus 'Abigail'
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus Alana
Streptocarpus 'Alana'
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus Angie

New

Streptocarpus 'Angie'
£16.99
1 × rooted cutting
Streptocarpus Carys

New

Streptocarpus 'Carys'
£16.99
1 × rooted cutting
Streptocarpus Dolina
Streptocarpus 'Dolina'
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus Faith

New

Streptocarpus 'Faith'
£16.99
1 × rooted cutting
Streptocarpus Harlequin Blue (PBR)
Streptocarpus 'Harlequin Blue' (PBR)
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus Harlequin Purple (PBR)
Streptocarpus 'Harlequin Purple' (PBR)
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus Hope
Streptocarpus 'Hope'
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus Katie
Streptocarpus 'Katie'
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus Mabel
Streptocarpus 'Mabel'
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus Polka-Dot Pink

New

Streptocarpus 'Polka-Dot Pink'
£18.99
1 × rooted cutting
Streptocarpus Sphinx
Streptocarpus 'Sphinx'
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus Zoe
Streptocarpus 'Zoe'
From £16.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus collection
Streptocarpus collection
£41.99
1 × collection | 6 plants
1 star 1 star 1 star 1 star 1 star (1)
Blue spires and spots mini-border collection
Blue spots and spires mini-border collection
£57.99
available to order from spring 2027
Evening sky pollinator mini-border collection
Evening sky pollinator mini-border collection
From £57.99
available to order from summer
Campanula lactiflora Loddon Anna
Campanula lactiflora 'Loddon Anna'
From £8.99
available to order from summer
0.75 star 1 star 1 star 1 star 1 star (8)
Nepeta Cat's Pajamas
Nepeta 'Cat's Pajamas'
From £9.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (2)
Phlox paniculata Blue Paradise
Phlox paniculata 'Blue Paradise'
From £9.99
available to order from summer
0.5 star 1 star 1 star 1 star 1 star (12)
Penstemon Pensham Bilberry Ice (Pensham Series)

New

Penstemon 'Pensham Bilberry Ice' (Pensham Series)
From £8.99
available to order from spring 2027
Border salvia collection

New

Border salvia collection
From £41.96
available to order from summer
Dusky violet shade mini-border collection

New

Dusky violet shade mini-border collection
From £54.99
available to order from summer
Edible flowers plant and seed combination
Edible flowers plant & seed combination
£29.26 £28.44
available to order from summer
Favourite salvia collection

New

Favourite salvia collection
From £31.97
available to order from summer
Heavenly Penstemon collection

New

Heavenly Penstemon collection
From £24.27
available to order from summer
Pensham Penstemon collection

New

Pensham Penstemon collection
From £26.97
available to order from spring 2027
Sarah's Chelsea daisy susan combination
Sarah's Chelsea 'daisy susan combination'
From £54.96
available to order from spring 2027
Sarah's Chelsea lavender susan combination
Sarah's Chelsea 'lavender susan combination'
From £56.96
available to order from spring 2027
Sarah's Chelsea silver susan combination
Sarah's Chelsea 'silver susan combination'
From £56.96
available to order from spring 2027
Angelica sylvestris Vicar's Mead
Angelica sylvestris 'Vicar's Mead'
From £13.99
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star (1)
Geranium Elke
Geranium 'Elke'
From £9.99
available to order from spring 2027
0.5 star 1 star 1 star 1 star 1 star (16)
Geranium nodosum Fielding's Folly
Geranium nodosum 'Fielding's Folly'
From £12.99
available to order from spring 2027
Geranium pratense Cloud Nine (PBR)

New

Geranium pratense 'Cloud Nine' (PBR)
From £9.99
available to order from spring 2027
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