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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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Indoor plants by room
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Used at Chelsea
Kitchen garden planting guidelines
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All items
Showing Flowering month : September clear all
1653 items
Miscanthus sinensis Kleine Silberspinne
Miscanthus sinensis 'Kleine Silberspinne'
£9.99 - £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 4.7 5 15
Agastache rugosa Beelicious Pink ('Agapk') (PBR)
Agastache rugosa Beelicious Pink ('Agapk') (PBR)
£9.99 - £42.99
9cm pot shipped within 2 weeks
3 × 9cm pots shipped within 2 weeks
6 × 9cm pots shipped within 2 weeks
Nepeta Neptune ('Bokratune') (PBR)
Nepeta Neptune ('Bokratune') (PBR)
£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)
0.75 star 1 star 1 star 1 star 1 star 4.7 5 3
Hylotelephium telephium (Atropurpureum Group) Purple Emperor
Hylotelephium telephium (Atropurpureum Group) 'Purple Emperor'
£9.99 - £24.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
1 star 1 star 1 star 1 star 1 star 5.0 5 2
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
Petunia Designer Cappuccino (Designer Series)

50% off

Petunia Designer Cappuccino Designer Series
£3.50 - £19.98
9cm pot In stock (shipped within 2-3 working days)
2 + 1 FREE 9cm pots In stock (shipped within 2-3 working days)
5 × rooted cuttings sold out
10 + 5 FREE rooted cuttings sold out
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
Osteospermum Cannington Roy
Osteospermum 'Cannington Roy'
£9.99 - £24.99
9cm pot available to order from winter
3 × 9cm pots available to order from winter
Echinacea purpurea
Echinacea purpurea
£9.99 - £44.99
9cm pot available to order from autumn
2 litre pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
3 × 2 litre pots available to order from autumn
0 star 1 star 1 star 1 star 1 star 4.0 5 9
Achillea Terracotta
Achillea 'Terracotta'
£9.99 - £49.99
9cm pot available to order from autumn
2 litre pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots 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 4.3 5 16
Salvia Lake Onega Imp ('Tl1018') (Salgoon Series) (PBR)

New

Salvia Lake Onega Imp ('Tl1018') (Salgoon Series) (PBR)
£9.99 - £22.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Eupatorium maculatum (Atropurpureum Group) Purple Bush
Eupatorium maculatum (Atropurpureum Group) 'Purple Bush'
£9.99 - £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)
0.75 star 1 star 1 star 1 star 1 star 4.7 5 7
Crocosmia Lucifer
Crocosmia 'Lucifer'
£5.99 - £39.99
10 × corms available to order from winter
9cm pot available to order from autumn
20 + 10 FREE corms available to order from winter
2 litre pot available to order from autumn
3 × 9cm pots available to order from autumn
2 + 1 FREE 2 litre pots available to order from autumn
6 × 9cm pots available to order from autumn
0.5 star 1 star 1 star 1 star 1 star 4.6 5 35
Cirsium rivulare Trevors Felley Find (PBR)
Cirsium rivulare 'Trevors Felley Find' (PBR)
£10.99 - £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)
0.75 star 1 star 1 star 1 star 1 star 4.7 5 3
Leucanthemum × superbum Wirral Supreme
Leucanthemum × superbum 'Wirral Supreme'
£10.99 - £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)
0.5 star 1 star 1 star 1 star 1 star 4.6 5 5
Salvia Amistad (PBR)
Salvia 'Amistad' (PBR)
£10.99 - £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)
3 × 2 litre pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star 4.6 5 55
Lobelia × speciosa Hadspen Purple (PBR)
Lobelia × speciosa 'Hadspen Purple' (PBR)
£10.99 - £24.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star 4.8 5 5
Helenium The Bishop
Helenium 'The Bishop'
£10.99 - £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)
3 × 2 litre pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
0 star 0 star 1 star 1 star 1 star 3.0 5 1
Leucanthemum × superbum Snowcap
Leucanthemum × superbum 'Snowcap'
£10.99 - £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)
0.5 star 1 star 1 star 1 star 1 star 4.6 5 7
Salvia Pink Amistad ('Arggr17-011')
Salvia Pink Amistad ('Arggr17-011')
£10.99 - £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)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Eupatorium maculatum (Atropurpureum Group) Riesenschirm
Eupatorium maculatum (Atropurpureum Group) 'Riesenschirm'
£10.99 - £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
Nepeta govaniana

New

Nepeta govaniana
£10.99 - £26.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Tulbaghia Purple Eye
Tulbaghia 'Purple Eye'
£10.99 - £24.99
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
Ruffling skies cutting garden collection

25% off

Ruffling skies cutting garden collection
£14.65 £10.99
1 × collection In stock (shipped within 2-3 working days)
Anemone hupehensis var. japonica Prinz Heinrich
Anemone hupehensis var. japonica 'Prinz Heinrich'
£10.99 - £47.99
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
Rudbeckia fulgida var. deamii
Rudbeckia fulgida var. deamii
£10.99 - £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)
0.75 star 1 star 1 star 1 star 1 star
Helenium Waltraut
Helenium 'Waltraut'
£10.99 - £46.99
9cm pot In stock (shipped within 2-3 working days)
2 litre pot shipped within 2 weeks
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 shipped within 2 weeks
0.5 star 1 star 1 star 1 star 1 star
Bistorta officinalis Superba
Bistorta officinalis 'Superba'
£10.99 - £45.99
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)
0.5 star 1 star 1 star 1 star 1 star
Diascia Diamond Light Pink
Diascia 'Diamond Light Pink'
£6.99 - £21.98
9cm pot available to order from autumn
5 × rooted cuttings sold out
2 + 1 FREE 9cm pots available to order from autumn
10 + 5 FREE rooted cuttings sold out
1 star 1 star 1 star 1 star 1 star
Seedballs native annual wildflowers seedbombs

25% off

Seedballs native annual wildflowers
£11.24 - £37.49
100 seedballs in gift pouch 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
cosmos gift set
cosmos gift set
£14.99 £11.24
gift set available to order from winter
Seedballs native wildflowers for shade -seedbombs

25% off

Seedballs native wildflowers for shade
£11.24 - £37.49
100 seedballs in gift pouch 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
Seedballs native wildflowers for wildlife - seedbombs

25% off

Seedballs native wildflowers for wildlife
£11.24 - £37.49
100 seedballs in gift pouch 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
Bee mat seed carpet

25% off

Bee mat seed carpet
£14.99 £11.24
seed mat In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Fuchsia Alice Hoffman

50% off

Fuchsia 'Alice Hoffman'
£22.99 £11.50
2 litre pot In stock (shipped within 2-3 working days)
Tradescantia (Andersoniana Group) JS Brainstorm (PBR)

New

Tradescantia (Andersoniana Group) 'JS Brainstorm' (PBR)
£11.95 - £24.95
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Echinacea pallida Hula Dancer
Echinacea pallida 'Hula Dancer'
£11.99 - £47.99
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)
Anemone × hybrida Königin Charlotte
Anemone × hybrida 'Königin Charlotte'
£11.99 - £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)
3 × 2 litre pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
0 star 1 star 1 star 1 star 1 star
Hydrangea macrophylla Ruby Tuesday (PBR)
Hydrangea macrophylla 'Ruby Tuesday' (PBR)
£19.99 £11.99
2 litre pot sold out
0 star 1 star 1 star 1 star 1 star
Hesperantha coccinea Mrs Hegarty
Hesperantha coccinea 'Mrs Hegarty'
£11.99 - £27.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Hosta Purple Heart
Hosta 'Purple Heart'
£11.99 - £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)
0.5 star 1 star 1 star 1 star 1 star
Stipa lessingiana

New

Stipa lessingiana
£11.99 - £28.99
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
Nepeta racemosa Amelia
Nepeta racemosa 'Amelia'
£11.99 - £44.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
Eurybia × herveyi
Eurybia × herveyi
£11.99 - £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)
1 star 1 star 1 star 1 star 1 star
Geranium × oxonianum Dusky Rose

New

Geranium × oxonianum 'Dusky Rose'
£11.99 - £29.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Rudbeckia subtomentosa Henry Eilers
Rudbeckia subtomentosa 'Henry Eilers'
£11.99 - £27.99
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
Gladiolus mixed colours
Gladiolus mixed colours
£11.99 - £23.98
1 collection | 40 corms available to order from winter
2 + 1 FREE collections | 120 corms available to order from winter
1 star 1 star 1 star 1 star 1 star
Salvia Back to the Fuchsia

New

Salvia 'Back to the Fuchsia'
£11.99
9cm pot available to order from autumn
Geranium Dreamland ('Bremdream') (PBR)
Geranium Dreamland ('Bremdream') (PBR)
£11.99 - £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)
1 star 1 star 1 star 1 star 1 star
Sanguisorba Tanna
Sanguisorba 'Tanna'
£11.99 - £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
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