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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
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Evergreen / deciduous
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Attractive to wildlife
Quick growing
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Indoor plants by room
Bulb planting time
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Chelsea plant of year
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Sowing month outside
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Used at Chelsea
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All items
Showing Flowering month : September clear all
186 items
Nepeta and terracotta pot combination
Nepeta & terracotta pot combination
£166.96 £144.46
Sesleria and empoli pot combination

15% off

Sesleria & empoli pot combination
£89.98 £79.48
Sarah's Chelsea pink & lavender combination
Sarah's Chelsea 'pink & lavender combination'
£76.96
4 plants | 1 of each available to order from autumn
Sarah's Chelsea pink & lavender combination
Sarah's Chelsea 'pink & lavender combination'
£71.96
4 plants | 1 of each available to order from autumn
Sarah's Chelsea pink & silver combination
Sarah's Chelsea 'pink & silver combination'
£68.96
4 plants | 1 of each available to order from autumn
Agastache and Angelica plant combination
Agastache & Angelica plant combination
£65.94
6 × plants | 3 of each In stock (shipped within 2-3 working days)
Sarah's Chelsea lavender susan combination
Sarah's Chelsea 'lavender susan combination'
£56.96 - £140.89
4 plants | 1 of each available to order from autumn
11 plants available to order from autumn
Sarah's Chelsea silver susan combination
Sarah's Chelsea 'silver susan combination'
£56.96 - £140.89
4 plants | 1 of each available to order from autumn
11 plants available to order from autumn
Echinops and Achillea plant combination
Echinops & Achillea plant combination
£56.94
6 × plants | 3 of each In stock (shipped within 2-3 working days)
Sarah's Chelsea daisy susan combination
Sarah's Chelsea 'daisy susan combination'
£54.96 - £134.89
4 plants | 1 of each available to order from autumn
11 plants available to order from autumn
Opposites attract plant combination
Opposites attract plant combination
£53.94
6 × plants | 3 of each In stock (shipped within 2-3 working days)
Lythrum and Campanula plant combination
Lythrum & Campanula plant combination
£53.94
6 × plants | 3 of each In stock (shipped within 2-3 working days)
Sarah's Chelsea lavender & white combination
Sarah's Chelsea 'lavender & white combination '
£51.96
4 plants | 1 of each available to order from autumn
Patriotic garden anemone collection
Patriotic garden anemone collection
£23.95 - £47.90
1 × collection | 60 bulbs Delivered during September
2 + 1 FREE collections | 180 bulbs Delivered during September
Classic cottage dusky Rozanne combination
Classic cottage dusky Rozanne combination
£45.96 - £137.88
4 plants | 1 of each In stock (shipped within 2-3 working days)
12 plants | 3 of each In stock (shipped within 2-3 working days)
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
Classic cottage alba combination
Classic cottage alba combination
£40.96 - £122.88
4 plants | 1 of each In stock (shipped within 2-3 working days)
12 plants | 3 of each In stock (shipped within 2-3 working days)
Lobelia siphilitica
Lobelia siphilitica
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
Award-winning Streptocarpus collection
Grown in the UK
Award-winning Streptocarpus collection
£39.99
1 × collection | 6 plants Delivery by trusted supplier within 1 week
Streptocarpus collection
Grown in the UK
Streptocarpus collection
£39.99
1 × collection | 6 plants Delivery by trusted supplier within 1 week
Streptocarpus collection Blue and Pink
Grown in the UK
Blue and pink streptocarpus collection
£39.99
1 × collection | 6 plants Delivery by trusted supplier within 1 week
Classic cottage apricot combination
Classic cottage apricot combination
£39.96 - £119.88
4 plants | 1 of each In stock (shipped within 2-3 working days)
12 plants | 3 of each In stock (shipped within 2-3 working days)
Dry shade plant combination
Dry shade plant combination
£37.96
4 × plants | 1 of each In stock (shipped within 2-3 working days)
Phormium Platt's Black
Phormium 'Platt's Black'
£36.99
2 litre pot In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Hanging basket bedding plant collection
Hanging basket bedding plant collection
£36.99 - £73.98
1 collection | 60 seedlings sold out
2 + 1 FREE collections (180 seedlings) sold out
1 star 1 star 1 star 1 star 1 star
Long flowering plant combination (pink, purple and white)
Long-flowering plant combination (pink, purple & white)
£36.96
4 × plants | 1 of each In stock (shipped within 2-3 working days)
Pontederia cordata f. albiflora
Pontederia cordata f. albiflora
£34.99
3 litre aquatic pot available to order from summer
Eucalyptus gunnii
Eucalyptus gunnii
£34.99 - £89.99
2 litre pot In stock (shipped within 2-3 working days)
7 litre pot | 1 - 1.5m tall available to order from autumn
1 star 1 star 1 star 1 star 1 star
Clematis Zara ('Evipo062') (PBR) (Boulevard Series)
Clematis Zara ('Evipo062') (PBR) (Boulevard Series)
£34.99
3 litre pot | 60cm cane shipped within 2 weeks
Sarah's Chelsea pairing combinations
Sarah's Chelsea 'pairing combinations'
£33.96 - £101.88
4 plants | 1 of each In stock (shipped within 2-3 working days)
12 plants | 3 of each In stock (shipped within 2-3 working days)
Hedychium collection
ginger lily collection
£26.95 - £33.90
1 × collection | 3 bulbs available to order from winter
2 + 1 FREE collections | 9 bulbs available to order from winter
Hibiscus syriacus Oiseau Bleu
Hibiscus syriacus 'Oiseau Bleu'
£32.99
2 litre pot In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star
Lobelia Trailing Mixed
Lobelia 'Trailing Mixed'
£16.49 - £32.99
20 seedlings available to order from winter
40 + 20 FREE seedlings sold out
0.25 star 1 star 1 star 1 star 1 star
Lobelia erinus Crystal Palace
Lobelia erinus 'Crystal Palace'
£32.99
40 + 20 FREE seedlings sold out
Trusted friend container plant collection
Trusted friend container plant collection
£32.97 - £65.94
1 × bedding collection | 15 plants sold out
2+1 FREE bedding collections | 45 plants sold out
Streptocarpus Harlequin Blue (PBR)
Grown in the UK
Streptocarpus 'Harlequin Blue' (PBR)
£15.99 - £31.98
1 × rooted cutting Delivery by trusted supplier within 1 week
2 + 1 FREE rooted cuttings Delivery by trusted supplier within 1 week
Dots & spires plant combination
Dots & spires plant combination
£30.97
3 × plants available to order from autumn
Salvia Sea of Butterflies mixed
Salvia farinacea Sea of Butterflies mixed
£29.99
40 + 20 FREE seedlings sold out
0.75 star 1 star 1 star 1 star 1 star
Hydrangea aspera Hot Chocolate ('Hpopr012') (PBR)
Hydrangea aspera Hot Chocolate ('Hpopr012') (PBR)
£29.99
2 litre pot In stock (shipped within 2-3 working days)
Agapanthus Fireworks ('Mdb001') (PBR)
Agapanthus Fireworks ('Mdb001') (PBR)
£14.99 - £69.99
9cm pot In stock (shipped within 2-3 working days)
2 litre 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)
3 × 2 litre pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Hydrangea macrophylla Midnight Pearl ('Hokomamipe') (PBR)
Hydrangea macrophylla Midnight Pearl ('Hokomamipe') (PBR)
£29.99
2 litre pot available to order from autumn
Nerine collection
Nerine collection
£14.95 - £29.90
1 × collection | 3 bulbs available to order from winter
2 + 1 FREE collections | 9 bulbs available to order from winter
Dry sun plant combination

25% off

Dry sun plant combination
£29.96 £29.21
4 × plants | 1 of each In stock (shipped within 2-3 working days)
Rosa Blue for You ('Pejamblu') (PBR)
Rosa Blue for You ('Pejamblu') (PBR) | Floribunda Bush Rose
£28.99
4 litre pot available to order from autumn
Edible flowers plant and seed combination
Edible flowers plant & seed combination
£29.26 £28.44
4 × plants | 1 of each available to order from autumn
Hydrangea macrophylla Deep Purple Dance ('Schrolla02') (PBR) (Music Series)

New

Hydrangea macrophylla Deep Purple Dance ('Schrolla02')(PBR) (Music Series)
£27.99
2 litre pot available to order from autumn
Moody blues plant combination
Moody blues plant combination
£27.97
3 × plants In stock (shipped within 2-3 working days)
Large Coffee and cream dahlia collection
Large Coffee & cream dahlia collection
£27.45 - £54.90
1 × collection | 5 tubers available to order from winter
2 + 1 FREE collections | 15 tubers available to order from winter
Pink champagne dahlia collection
Pink champagne dahlia collection
£27.45 - £54.90
1 × collection | 5 tubers available to order from winter
2 + 1 FREE collections | 9 tubers available to order from winter
Effortless chic - Easyplanter for hanging baskets & patio pots
Effortless chic - Easyplanter for hanging baskets & patio pots
£26.99
Easyplanter available to order from autumn
1 star 1 star 1 star 1 star 1 star
Caryopteris × clandonensis White Surprise (PBR)
Caryopteris × clandonensis 'White Surprise' (PBR)
£26.99
2 litre pot In stock (shipped within 2-3 working days)
Rosa My Lovely Dad ('Fryniche') (PBR)
Rosa My Lovely Dad ('Fryniche') (PBR) | Floribunda Bush Rose
£26.99
4 litre pot available to order from autumn
Caryopteris × clandonensis Sterling Silver ('Lissilv') (PBR)
Caryopteris × clandonensis Sterling Silver ('Lissilv') (PBR)
£26.75 - £62.99
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
grape Muscat Bleu
grape 'Muscat Bleu'
£25.99
2 litre pot | 60cm cane In stock (shipped within 2-3 working days)
Veronica Blue Star ('Vergeer 1') (PBR)
Veronica Blue Star ('Vergeer 1') (PBR)
£24.99
2 litre pot available to order from autumn
Phalaenopsis Split
Phalaenopsis 'Split'
£24.99 - £34.98
12cm pot | 60cm tall In stock (shipped within 1-2 working days)
with white glazed pot In stock (shipped within 2-3 working days)
with olive glazed pot In stock (shipped within 2-3 working days)
with blue glazed pot In stock (shipped within 2-3 working days)
with mustard glazed pot In stock (shipped within 2-3 working days)
Agapanthus praecox subsp. orientalis Zambezi ('Kek5006')

New

Agapanthus praecox subsp. orientalis Zambezi ('Kek5006')
£24.99 - £64.99
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
Buddleja 'Bressingham Bountiful'

New

Buddleja 'Bressingham Bountiful'
£24.99
2 litre pot available to order from autumn
Clematis Prince William ('Zo08171') (PBR)
Clematis Prince William ('Zo08171') (PBR)
£24.95
2 litre pot | 60cm cane available to order from autumn
Clematis integrifolia
Clematis integrifolia
£24.95
3 litre pot | 60cm cane available to order from autumn
Clematis Jackmanii Purpurea ('Zojapur') (PBR)
Clematis Jackmanii Purpurea ('Zojapur') (PBR)
£23.50
2 litre pot | 60cm cane available to order from autumn
Caryopteris × clandonensis Heavenly Blue

40% off

Caryopteris × clandonensis 'Heavenly Blue'
£5.39 - £22.99
9cm pot In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
2 litre pot In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star
Ceratostigma willmottianum Forest Blue ('Lice') (PBR)
Ceratostigma willmottianum Forest Blue ('Lice') (PBR)
£22.99
2 litre pot In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star
Caryopteris × clandonensis Hint of Gold ('Lisaura') (PBR)
Caryopteris × clandonensis Hint of Gold ('Lisaura') (PBR)
£22.99
2 litre pot In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Cool tones plant combination
Cool tones plant combination
£22.98
2 × plants | 1 of each available to order from autumn
Clematis integrifolia Alba
Clematis integrifolia 'Alba'
£22.95
2 litre pot available to order from autumn
Agapanthus collection
Agapanthus collection
£10.95 - £21.90
1 × collection | 2 bare root plants available to order from winter
2 + 1 FREE collections | 6 bare roots available to order from winter
Caryopteris × clandonensis Grand Bleu ('Inoveris') (PBR)
Caryopteris × clandonensis Grand Bleu ('Inoveris') (PBR)
£20.99
2 litre pot In stock (shipped within 2-3 working days)
Pastels cutting garden collection

25% off

Pastels cutting garden collection
£27.22 £20.42
1 × collection In stock (shipped within 2-3 working days)
Sesleria autumnalis
Sesleria autumnalis
£19.99 - £49.99
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
0 star 0 star 1 star 1 star 1 star
Hydrangea macrophylla Zebra (PBR) (Black Steel Series)
Hydrangea macrophylla 'Zebra' (PBR) (Black Steel Series)
£19.99
1.5 litre pot available to order from autumn
0 star 1 star 1 star 1 star 1 star
Fuchsia Deltas Sara
Fuchsia 'Delta's Sara'
£6.99 - £49.99
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
0.75 star 1 star 1 star 1 star 1 star
Perovskia Silvery Blue ('Lissvery') (PBR)
Perovskia Silvery Blue ('Lissvery') (PBR)
£19.99
2 litre pot In stock (shipped within 2-3 working days)
Agastache Blue Boa (PBR)
Agastache 'Blue Boa' (PBR)
£8.99 - £52.99
9cm pot In stock (shipped within 2-3 working days)
2 litre 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)
3 × 2 litre pots In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star
Schizachyrium scoparium Standing Ovation (PBR)

New

Schizachyrium scoparium 'Standing Ovation' (PBR)
£19.99 - £49.99
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
Sanguisorba menziesii
Sanguisorba menziesii
£19.99 - £49.99
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
Hydrangea macrophylla Blue
Hydrangea macrophylla 'Blue'
£19.99
2 litre pot available to order from autumn
Pennisetum alopecuroides Red Head
Pennisetum alopecuroides 'Red Head'
£19.99 - £49.99
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
0 star 1 star 1 star 1 star 1 star
Perovskia Blue Spire
Perovskia 'Blue Spire'
£7.99 - £89.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
2 litre pot In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
6 × 2 litre pots In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star
Liriope muscari
Liriope muscari
£12.99 - £69.99
9cm pot In stock (shipped within 2-3 working days)
2 litre 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)
3 × 2 litre pots In stock (shipped within 2-3 working days)
6 × 2 litre pots In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star
Lavandula angustifolia Melissa Lilac ('Dow4') (PBR)
Lavandula angustifolia Melissa Lilac ('Dow4') (PBR)
£7.99 - £39.99
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
0.75 star 1 star 1 star 1 star 1 star
Salvia uliginosa
Salvia uliginosa
£18.99 - £44.99
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Agastache Blue Fortune
Agastache 'Blue Fortune'
£8.99 - £44.99
9cm pot In stock (shipped within 2-3 working days)
2 litre 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)
3 × 2 litre pots In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star
Phlox paniculata Franz Schubert
Phlox paniculata 'Franz Schubert'
£17.99 - £39.99
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
0 star 0 star 1 star 1 star 1 star
Lavandula angustifolia Munstead
Lavandula angustifolia 'Munstead'
£7.99 - £59.99
9cm pot In stock (shipped within 2-3 working days)
2 litre 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)
5 × 2 litre pots In stock (shipped within 2-3 working days)
5 litre pot available to order from autumn
0.5 star 1 star 1 star 1 star 1 star
Salvia guaranitica Black and Blue
Salvia guaranitica 'Black and Blue'
£9.99 - £42.99
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)
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
0.5 star 1 star 1 star 1 star 1 star
Hydrangea macrophylla Little White
Hydrangea macrophylla 'Little White'
£17.99
2 litre pot available to order from autumn
Summer nights cutting garden collection

25% off

Summer nights cutting garden collection
£23.93 £17.95
1 × collection In stock (shipped within 2-3 working days)
Cherry creme brûlée cutting garden collection

25% off

Cherry créme brûlée cutting garden collection
£23.73 £17.80
1 × collection In stock (shipped within 2-3 working days)
Hydrangea Preziosa
Hydrangea 'Preziosa'
£17.49 - £41.99
2 litre pot sold out
3 × 2 litre pots sold out
Potentilla fruticosa Bella Lindsey ('Hendlin') (PBR)

30% off

Potentilla fruticosa Bella Lindsey ('Hendlin') (PBR)
£22.99 £16.09
2 litre pot In stock (shipped within 2-3 working days)
Agapanthus Twister ('Ambic001') (PBR)
Agapanthus Twister ('Ambic001') (PBR)
£15.99 - £74.99
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)
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
0.25 star 1 star 1 star 1 star 1 star
Agapanthus Midnight Moon ('DWHYB20') (PBR)

New

Agapanthus Midnight Moon ('DWHYB20') (PBR)
£15.99 - £37.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Agapanthus Queen Mum ('Pmn06') (PBR)
Agapanthus Queen Mum ('Pmn06') (PBR)
£15.75 - £24.75
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
0 star 0 star 0 star 1 star 1 star
Agapanthus Headbourne hybrids
Agapanthus 'Headbourne hybrids'
£14.99 - £32.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
0 star 0.5 star 1 star 1 star 1 star
Pennisetum advena Rubrum
Pennisetum advena 'Rubrum'
£14.99 - £34.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
0 star 1 star 1 star 1 star 1 star
Geranium wallichianum Havana Blues ('Noorthava') (PBR)
Geranium wallichianum Havana Blues ('Noorthava') (PBR)
£14.99 - £34.99
9cm pot sold out
3 × 9cm pots sold out
0.75 star 1 star 1 star 1 star 1 star
Lavandula × intermedia Platinum Blonde ('Momparle') (PBR)
Lavandula × intermedia Platinum Blonde ('Momparler') (PBR)
£14.99
2 litre pot In stock (shipped within 2-3 working days)
Anemone Ruffled Swan ('Macane007') (PBR)
Anemone Ruffled Swan ('Macane007') (PBR)
£14.99 - £34.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Schizachyrium scoparium Ha Ha Tonka (PBR)

New

Schizachyrium scoparium 'Ha Ha Tonka' (PBR)
£14.99 - £34.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
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