Shop

Information & Help

My account

crocus
Wish-list My wheelbarrow

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
Curated Collections
Flower colour
Evergreen / deciduous
Fragrance
Attractive to wildlife
Quick growing
Eventual size
Special features
Indoor plants by room
Sowing month inside or protected
Sowing month outside
Ready made borders
Planting combinations
Hardy
Leaf colour
Ground cover
Position
Soil moisture
Used at Chelsea
Kitchen garden planting guidelines
Sort by popularity
Available items
Showing Flowering month : September clear all
38 items
Salvia nemorosa Caradonna

Best Seller

Salvia nemorosa 'Caradonna'
From £9.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star 4.8 5 59 (59)
Aster × frikartii Mönch

Best Seller

Aster × frikartii 'Mönch'
From £8.99
9cm pot
2 litre pot
3 × 9cm pots
6 × 9cm pots
+ 1 more available
0.75 star 1 star 1 star 1 star 1 star 4.8 5 61 (61)
Hydrangea Runaway Bride Snow White ('USHYD0405') (PBR)
Hydrangea Runaway Bride Snow White ('USHYD0405') (PBR)
From £42.75
2 litre pot
7 litre pot | 40cm tall
0.75 star 1 star 1 star 1 star 1 star 4.8 5 4 (4)
Thalictrum delavayi
Thalictrum delavayi
From £9.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star 4.6 5 14 (14)
Agapanthus Midnight Star
Agapanthus 'Midnight Star'
From £13.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star 4.4 5 5 (5)
Symphyotrichum Little Carlow (cordifolius hybrid)
Symphyotrichum 'Little Carlow' (cordifolius hybrid)
From £9.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star 4.8 5 8 (8)
Agapanthus Midnight Moon ('DWHYB20') (PBR)
Agapanthus Midnight Moon ('DWHYB20') (PBR)
From £15.99
9cm pot
3 × 9cm pots
Agapanthus Queen Mum ('Pmn06') (PBR)
Agapanthus Queen Mum ('Pmn06') (PBR)
From £15.75
9cm pot
3 × 9cm pots
0 star 0 star 0 star 1 star 1 star 2.0 5 1 (1)
Anemone Ruffled Swan ('Macane007') (PBR)
Anemone Ruffled Swan ('Macane007') (PBR)
From £14.99
9cm pot
3 × 9cm pots
Aster amellus King George
Aster amellus 'King George'
From £9.99
9cm pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star 5.0 5 4 (4)
Cirsium rivulare Trevors Felley Find (PBR)
Cirsium rivulare 'Trevors Felley Find' (PBR)
From £10.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star 4.5 5 4 (4)
Salvia uliginosa African Skies
Salvia uliginosa 'African Skies'
From £9.99
9cm pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star 5.0 5 3 (3)
Symphyotrichum Coombe Fishacre
Symphyotrichum 'Coombe Fishacre'
From £9.99
9cm pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Tradescantia (Andersoniana Group) JS Brainstorm (PBR)
Tradescantia (Andersoniana Group) 'JS Brainstorm' (PBR)
From £11.95
9cm pot
3 × 9cm pots
Lupinus Cashmere Cream (PBR)
Lupinus 'Cashmere Cream' (PBR)
From £12.99
9cm pot
3 × 9cm pots
Amethyst spires mini-border collection
Amethyst spires mini-border collection
£57.99
6 × 9cm plants
Blue spires and spots mini-border collection
Blue spots and spires mini-border collection
£57.99
6 × 9cm plants
Dry sun plant combination

20% off

Dry sun plant combination
£29.96 £29.36
4 × plants | 1 of each
Echinops and Achillea plant combination
Echinops & Achillea plant combination
£56.94
6 × plants | 3 of each
Evening sky pollinator mini-border collection
Evening sky pollinator mini-border collection
£57.99
6 × 9cm plants
Long flowering moody blues mini-border collection
Long flowering moody blues mini-border collection
£63.99
6 × 9cm plants
Lythrum and Campanula plant combination
Lythrum & Campanula plant combination
£53.94
6 × plants | 3 of each
Opposites attract plant combination
Opposites attract plant combination
£53.94
6 × plants | 3 of each
Pollinator's blue mini-border collection
Pollinator's blue mini border collection
£64.99
6 × 9cm plants
Sarah's Chelsea daisy susan combination
Sarah's Chelsea 'daisy susan combination'
From £54.96
4 plants | 1 of each
11 plants
Sarah's Chelsea lavender susan combination
Sarah's Chelsea 'lavender susan combination'
From £56.96
4 plants | 1 of each
11 plants
Sarah's Chelsea silver susan combination
Sarah's Chelsea 'silver susan combination'
From £56.96
4 plants | 1 of each
11 plants
Clematis Crystal Fountain ('Evipo038') (PBR)
Clematis Crystal Fountain ('Evipo038') (PBR)
£32.95
3 litre pot | 60cm cane
1 star 1 star 1 star 1 star 1 star (7)
Hydrangea serrata Bluebird
Hydrangea serrata 'Bluebird'
From £23.99
2 litre pot
10 litre pot | 40 - 60cm tall
0.25 star 1 star 1 star 1 star 1 star (6)
Cutting garden dahlia collection

New

Cutting garden dahlia collection
From £28.95
1 × collection | 5 tubers
2 + 1 FREE collections | 15 tubers
Pink champagne dahlia collection

Best Seller

Pink champagne dahlia collection
From £27.45
1 × collection | 5 tubers
2 + 1 FREE collections | 15 tubers
Hedychium collection
ginger lily collection
From £26.95
1 × collection | 3 bulbs
2 + 1 FREE collections | 9 bulbs
Rosa Rhapsody in Blue ('Frantasia') (PBR)

20% off

Rosa Rhapsody in Blue ('Frantasia') (PBR) | Floribunda Bush Rose
£28.99 £23.19
4 litre | bare root potted
Phalaenopsis White Willd Orchid

Best Seller

Phalaenopsis White Willd Orchid
From £34.99
12cm pot | 35cm tall
with white orchid high pot
with cement grey pot
with porto dark blue pot
+ 3 more available
1 star 1 star 1 star 1 star 1 star (2)
Pastels cutting garden collection

20% off

Pastels cutting garden collection
£28.62 £22.90
1 × collection
Nigella damascena Oxford Blue

20% off

Nigella damascena 'Oxford Blue'
£2.79 £2.23
approx 500 seeds
Centaurea cyanus Classic Fantastic

20% off

Centaurea cyanus 'Classic Fantastic'
£2.99 £2.39
approx 100 seeds
Consolida regalis QIS Dark Blue

20% off

Consolida regalis 'QIS Dark Blue'
£2.99 £2.39
approx 200 seeds

Copyright © Crocus.co.uk Ltd 2026. All rights reserved.

Contact us
Terms
Privacy
Cookies

© Crocus.co.uk Ltd 2026. All rights reserved.