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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
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Used at Chelsea
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Available items
Showing Flowering month : September clear all
143 items
Salvia nemorosa Caradonna
Salvia nemorosa 'Caradonna'
£9.99 - £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 4.8 5 54
Symphyotrichum Coombe Fishacre
Symphyotrichum 'Coombe Fishacre'
£9.99 - £39.99
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)
Salvia × sylvestris Viola Klose
Salvia × sylvestris 'Viola Klose'
£9.99 - £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)
0.25 star 1 star 1 star 1 star 1 star 4.3 5 12
Lobelia cardinalis Queen Victoria
Lobelia cardinalis 'Queen Victoria'
£9.99 - £47.99
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 4.6 5 11
Achillea Terracotta
Achillea 'Terracotta'
£9.99 - £49.99
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 4.4 5 17
Dahlia Bishop of Leicester

50% off

Dahlia 'Bishop of Leicester'
£9.00 - £17.99
3 litre pot In stock (shipped within 2-3 working days)
2 + 1 FREE 3 litre pots In stock (shipped within 2-3 working days)
0 star 0 star 1 star 1 star 1 star 3.0 5 2
Penstemon Apple Blossom
Penstemon 'Apple Blossom'
£8.99 - £36.99
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)
0.75 star 1 star 1 star 1 star 1 star 4.7 5 6
Phlox paniculata Starfire
Phlox paniculata 'Starfire'
£8.99 - £19.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
0.25 star 1 star 1 star 1 star 1 star 4.3 5 4
Ageratina altissima Chocolate
Ageratina altissima 'Chocolate'
£8.99 - £39.99
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)
1 star 1 star 1 star 1 star 1 star 5.0 5 4
Penstemon Pensham Plum Jerkum (Pensham Series)
Penstemon 'Pensham Plum Jerkum' (Pensham Series)
£8.99 - £49.99
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 4.8 5 11
Aster × frikartii Mönch
Aster × frikartii 'Mönch'
£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 4.8 5 54
Viola Etain
Viola 'Etain'
£8.99 - £29.99
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)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Stachys byzantina Big Ears
Stachys byzantina 'Big Ears'
£8.99 - £34.99
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)
0.25 star 1 star 1 star 1 star 1 star 4.3 5 6
Salvia nemorosa Amethyst
Salvia nemorosa 'Amethyst'
£8.99 - £44.99
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 4.6 5 5
Agastache Blackadder
Agastache 'Blackadder'
£8.99 - £44.99
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)
0.5 star 1 star 1 star 1 star 1 star 4.5 5 37
Verbena officinalis var. grandiflora Bampton
Verbena officinalis var. grandiflora 'Bampton'
£8.99 - £39.99
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)
1 star 1 star 1 star 1 star 1 star 4.9 5 8
Oenothera lindheimeri Whiskers Deep Rose
Oenothera lindheimeri 'Whiskers Deep Rose'
£8.99 - £19.99
9cm pot shipped within 2 weeks
3 × 9cm pots shipped within 2 weeks
Campanula lactiflora Prichard's Variety
Campanula lactiflora 'Prichard's Variety'
£8.99 - £49.99
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 4.5 5 6
Oenothera lindheimeri Cherry Brandy ('Gauchebra') (PBR)
Oenothera lindheimeri Cherry Brandy ('Gauchebra')
£8.99 - £37.99
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)
Hylotelephium Dazzleberry (PBR) (SunSparkler Series)
Hylotelephium 'Dazzleberry' (PBR) (SunSparkler Series)
£8.99 - £19.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Salvia nemorosa Ostfriesland
Salvia nemorosa 'Ostfriesland'
£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
Nepeta racemosa Walker's Low
Nepeta racemosa 'Walker's Low'
£8.99 - £39.99
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
Lavandula angustifolia Hidcote
Lavandula angustifolia 'Hidcote'
£7.99 - £49.95
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)
3 × 2 litre pots In stock (shipped within 2-3 working days)
9 × 9cm pots In stock (shipped within 2-3 working days)
5 litre pot In stock (shipped within 2-3 working days)
5 × 2 litre pots In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star
Hosta Orange Marmalade

50% off

Hosta 'Orange Marmalade'
£7.50 - £16.49
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Colchicum The Giant
Colchicum 'The Giant'
£6.99 - £19.00
1 × bulb Delivered during September
3 × bulbs Delivered during September
0.75 star 1 star 1 star 1 star 1 star
Crocosmia × crocosmiiflora Carmin Brillant
Crocosmia × crocosmiiflora 'Carmin Brillant'
£5.99 - £39.99
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)
2 + 1 FREE 2 litre pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
10 × corms available to order from winter
30 × corms available to order from winter
0 star 1 star 1 star 1 star 1 star
Seedballs artists meadow seedbombs

25% off

Seedballs artists meadow
£5.24 - £37.49
20 seedballs in gift tin In stock (shipped within 2-3 working days)
250 seedballs gardener's bulk box Delivery by trusted supplier within 1 week
500 seedballs gardener's bulk box Delivery by trusted supplier within 1 week
0 star 0 star 0 star 0 star 1 star
Campanula Sarastro

50% off

Campanula 'Sarastro'
£5.00 - £17.49
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
Pelargonium Torrento

50% off

Pelargonium 'Torrento'
£4.00 - £7.99
9cm pot In stock (shipped within 2-3 working days)
2 + 1 FREE 9cm pots In stock (shipped within 2-3 working days)
Pelargonium quercifolium

50% off

Pelargonium quercifolium
£4.00 - £7.99
9cm pot In stock (shipped within 2-3 working days)
2 + 1 FREE 9cm pots In stock (shipped within 2-3 working days)
Cosmos bipinnatus Double Click Cranberries (Double Click Series)

25% off

Cosmos bipinnatus 'Double Click Cranberries' (Double Click Series)
£4.79 £3.59
approx 60 seeds In stock (shipped within 2-3 working days)
Helianthus annuus Desire Red

25% off

Helianthus annuus 'Desire Red'
£3.99 £2.99
approx 10 seeds In stock (shipped within 2-3 working days)
Panicum capillare Sparkling Fountain

25% off

Panicum capillare 'Sparkling Fountain'
£3.89 £2.92
approx 100 seeds In stock (shipped within 2-3 working days)
Tropaeolum majus Empress of India

25% off

Tropaeolum majus 'Empress of India'
£3.39 £2.54
approx 35 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Visnaga daucoides Green Mist

25% off

Visnaga daucoides 'Green Mist'
£3.29 £2.47
approx 200 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Eupatorium cannabinum

25% off

Eupatorium cannabinum
£2.24 - £37.49
approx 200 seeds In stock (shipped within 2-3 working days)
1 litre aquatic pot available to order from summer
3 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
5 litre aquatic pot available to order from summer
Lathyrus odoratus Beaujolais

25% off

Lathyrus odoratus 'Beaujolais'
£2.24 - £13.98
approx 20 seeds In stock (shipped within 2-3 working days)
9cm pot | 5 - 7 seedlings 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
Campanula trachelium

25% off

Campanula trachelium
£2.99 £2.24
approx 150 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Candy Stripe

25% off

Cosmos bipinnatus 'Candy Stripe'
£2.99 £2.24
approx 100 seeds In stock (shipped within 2-3 working days)
Phacelia tanacetifolia

25% off

Phacelia tanacetifolia - green manure
£2.89 £2.17
25m² pack In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Visnaga daucoides

25% off

Visnaga daucoides (syn. Ammi visnaga)
£2.49 £1.87
approx 300 seeds In stock (shipped within 2-3 working days)
Nigella papillosa African Bride

25% off

Nigella papillosa 'African Bride'
£1.79 - £4.50
approx 100 seeds In stock (shipped within 2-3 working days)
3 × packets of approx 100 seeds In stock (shipped within 2-3 working days)
Cosmos bipinnatus Dazzler

25% off

Cosmos bipinnatus 'Dazzler'
£2.25 £1.69
approx 100 seeds In stock (shipped within 2-3 working days)
0.25 star 1 star 1 star 1 star 1 star
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