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.

Ready made borders
Planting combinations
Ground cover
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
Geranium Rozanne ('Gerwat') (PBR)
Geranium Rozanne ('Gerwat') (PBR)
£12.99 - £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)
3 × 2 litre pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
Erigeron karvinskianus

25% off

Erigeron karvinskianus
£2.99 - £39.99
approx 100 seeds In stock (shipped within 2-3 working days)
9cm pot In stock (shipped within 2-3 working days)
3 × approx 100 seeds 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)
Verbena bonariensis

25% off

Verbena bonariensis
£1.79 - £44.99
approx 250 seeds In stock (shipped within 2-3 working days)
3 × packets (approx 750 seeds) In stock (shipped within 2-3 working days)
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)
Salvia nemorosa Caradonna
Salvia nemorosa 'Caradonna'
£9.99 - £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
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)
Hydrangea arborescens Annabelle
Hydrangea arborescens 'Annabelle'
£9.99 - £89.99
9cm pot 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
10 litre pot | 50 - 80cm tall available to order from autumn
Anemone × hybrida Honorine Jobert
Anemone × hybrida 'Honorine Jobert'
£12.75 - £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
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)
Stipa tenuissima

25% off

Stipa tenuissima
£2.84 - £44.99
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
approx 30 seeds available to order from autumn
Oenothera lindheimeri Whirling Butterflies
Oenothera lindheimeri 'Whirling Butterflies'
£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
Rudbeckia fulgida var. sullivantii Goldsturm
Rudbeckia fulgida var. sullivantii 'Goldsturm'
£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)
Lavandula angustifolia Munstead
Lavandula angustifolia 'Munstead'
£7.99 - £59.99
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)
5 litre pot In stock (shipped within 2-3 working days)
2 litre pot available to order from autumn
5 × 2 litre pots available to order from autumn
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)
Nepeta racemosa Walker's Low
Nepeta racemosa 'Walker's Low'
£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)
Liriope muscari
Liriope muscari
£12.99 - £69.99
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
6 × 2 litre pots available to order from autumn
Alchemilla mollis

25% off

Alchemilla mollis
£2.09 - £39.99
approx 75 seeds In stock (shipped within 2-3 working days)
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
Hydrangea arborescens Incrediball ('Abetwo') (PBR)
Hydrangea arborescens Strong Annabelle ('Abetwo') (PBR)
£35.75 - £109.99
3 litre pot In stock (shipped within 2-3 working days)
12 litre pot | 80 - 100cm tall available to order from autumn
Geum Totally Tangerine (PBR)
Geum 'Totally Tangerine' (PBR)
£14.99 - £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)
3 × 2 litre pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
Echinacea purpurea Magnus
Echinacea purpurea 'Magnus'
£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
Anemanthele lessoniana
Anemanthele lessoniana
£9.99 - £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
Hydrangea paniculata Limelight (PBR)
Hydrangea paniculata 'Limelight' (PBR)
£26.75 - £89.99
10 litre pot | 50 - 80cm tall 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
Astrantia Roma (PBR)
Astrantia 'Roma' (PBR)
£12.99 - £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
Aster × frikartii Mönch
Aster × frikartii 'Mönch'
£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
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)
Echinacea purpurea White Swan
Echinacea purpurea 'White Swan'
£9.99 - £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
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)
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
Campanula poscharskyana
Campanula poscharskyana
£8.99 - £35.99
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)
Helenium The Bishop
Helenium 'The Bishop'
£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)
2 litre pot sold out
Knautia macedonica

25% off

Knautia macedonica
£2.99 - £49.99
approx 40 seeds In stock (shipped within 2-3 working days)
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)
Muhlenbergia capillaris

25% off

Muhlenbergia capillaris
£2.99 - £44.99
approx 20 seeds In stock (shipped within 2-3 working days)
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
Lavandula angustifolia Arctic Snow
Lavandula angustifolia 'Arctic Snow'
£7.99 - £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)
Hydrangea paniculata Little Lime ('Jane') (PBR)
Hydrangea paniculata Little Lime ('Jane') (PBR)
£34.99 - £89.99
12 litre pot | 60 - 80cm tall 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
Verbena bonariensis Lollipop (PBR)
Verbena bonariensis 'Lollipop' (PBR)
£7.99 - £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)
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)
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
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)
Echinacea purpurea
Echinacea purpurea
£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
Salvia Hot Lips
Salvia 'Hot Lips'
£9.99 - £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
Salvia × sylvestris Schneehügel
Salvia × sylvestris 'Schneehügel'
£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)
Oenothera lindheimeri
Oenothera lindheimeri
£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)
Phlomis russeliana
Phlomis russeliana
£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)
Penstemon Andenken an Friedrich Hahn
Penstemon 'Andenken an Friedrich Hahn'
£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
Coreopsis verticillata Moonbeam
Coreopsis verticillata 'Moonbeam'
£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)
Salvia nemorosa Sensation Rose (Sensation Series)
Salvia nemorosa 'Sensation Rose' (Sensation Series)
£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)
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)
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 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
Thalictrum Splendide White ('Fr21034') (PBR)
Thalictrum Splendide White ('Fr21034') (PBR)
£12.95 - £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)
Penstemon White Bedder
Penstemon 'White Bedder'
£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
Vinca minor
Vinca minor
£5.99 - £14.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Verbena rigida
Verbena rigida
£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)
Achillea Walther Funcke
Achillea 'Walther Funcke'
£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
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
Ficus carica Brown Turkey
fig 'Brown Turkey'
£22.95 - £134.99
2 litre pot | 30 - 40cm tall In stock (shipped within 2-3 working days)
10 litre pot | 40 - 60cm tall In stock (shipped within 2-3 working days)
9 litre pot | ½ standard In stock (shipped within 2-3 working days)
5 litre pot | 40 - 50cm tall available to order from autumn
12 litre pot | ¼ standard | 1.2m tall available to order from autumn
Anemone × hybrida September Charm
Anemone × hybrida 'September Charm'
£11.99 - £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)
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
Agapanthus africanus

40% off

Agapanthus africanus
£8.39 - £41.99
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)
Cosmos atrosanguineus Cherry Chocolate ('Vg001') (PBR)

New

Cosmos atrosanguineus Cherry Chocolate ('Vg001') (PBR)
£9.99 - £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
Salvia nemorosa Caradonna Pink Inspiration ('Tuitsalv') (PBR)
Salvia nemorosa Caradonna Pink Inspiration ('Tuitsalv') (PBR)
£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)
Eryngium × zabelii Big Blue
Eryngium × zabelii 'Big Blue'
£13.99 - £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)
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)
< Prev 1 2 3 ... 28 Next >

Copyright © Crocus.co.uk Ltd 2025. All rights reserved.