Use code SALE10 at checkout for an extra 10% off summer sale plants | Shop now

Up to 50% off summer products sale | Shop now

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
Flower colour
Evergreen / deciduous
Fragrance
Attractive to wildlife
Quick growing
Eventual size
Special features
Indoor plants by room
Bulb planting time
Bulb divisions
Bedding planting time
Chelsea plant of year
Sowing month inside or protected
Sowing month outside
Vegetable harvesting month
Vegetable groups
Multibuy packs
Ready made borders
Planting combinations
Sale
Hardy
Leaf colour
Ground cover
Position
Shape
Soil moisture
Used at Chelsea
Kitchen garden planting guidelines
Sort by popularity
Available items
Showing Flowering month : September clear all
874 items
Geum Prinses Juliana
Geum 'Prinses Juliana'
£12.99 - £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)
0.75 star 1 star 1 star 1 star 1 star 4.9 5 7
Geum Pretticoats Peach ('Tngeupp') (Pretticoats Series) (PBR)
Geum Pretticoats Peach ('Tngeupp') (Pretticoats Series) (PBR)
£12.99 - £29.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Helianthus Lemon Queen
Helianthus 'Lemon Queen'
£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)
1 star 1 star 1 star 1 star 1 star 4.9 5 15
Lupinus Noble Maiden (Band of Nobles Series)

Up to 50%

SALE10 for extra 10% off

Lupinus 'Noble Maiden' (Band of Nobles Series)
£5.00 - £34.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
2 litre pot 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 11
Nepeta Cat's Pajamas
Nepeta 'Cat's Pajamas'
£9.99 - £23.99
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 5.0 5 1
Nepeta grandiflora Summer Magic (PBR)
Nepeta grandiflora 'Summer Magic' (PBR)
£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)
Oenothera lindheimeri Rosyjane ('Harrosy') (PBR)

40% off

SALE10 for extra 10% off

Oenothera lindheimeri Rosyjane ('Harrosy') (PBR)
£5.39 - £12.59
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 4.7 5 18
Penstemon Apple Blossom
Penstemon 'Apple Blossom'
£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)
0.75 star 1 star 1 star 1 star 1 star 4.7 5 6
Penstemon Raven (Bird Series)
Penstemon 'Raven' (Bird Series)
£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)
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 4.7 5 3
Penstemon Sour Grapes M. Fish
Penstemon 'Sour Grapes' M. Fish
£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 star 1 star 1 star 1 star 1 star 4.1 5 13
Phlox paniculata Blue Paradise

30% off

SALE10 for extra 10% off

Phlox paniculata 'Blue Paradise'
£9.99 - £27.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
2 litre pot 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 8
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)
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
Sanguisorba hakusanensis Lilac Squirrel

Up to 50%

SALE10 for extra 10% off

Sanguisorba hakusanensis 'Lilac Squirrel'
£10.49 - £27.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
Sanguisorba officinalis Red Thunder
Sanguisorba officinalis 'Red Thunder'
£12.99 - £29.99
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 4
Scabiosa Butterfly Blue

50% off

SALE10 for extra 10% off

Scabiosa 'Butterfly Blue'
£5.00 - £11.50
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star 4.6 5 17
Scabiosa Pink Mist
Scabiosa 'Pink Mist'
£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)
0.75 star 1 star 1 star 1 star 1 star 4.7 5 6
Symphyotrichum Little Carlow (cordifolius hybrid)
Symphyotrichum 'Little Carlow' (cordifolius hybrid)
£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)
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 4.8 5 8
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
Achillea Taygetea
Achillea 'Taygetea'
£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)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Achillea millefolium Red Velvet

Up to 40%

SALE10 for extra 10% off

Achillea millefolium 'Red Velvet'
£6.99 - £27.99
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 4.5 5 13
Actaea Queen of Sheba (PBR)
Actaea 'Queen of Sheba' (PBR)
£14.99 - £33.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Actaea simplex Pink Spike

30% off

SALE10 for extra 10% off

Actaea simplex 'Pink Spike'
£10.49 - £38.49
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)
Agapanthus Windsor Grey

Up to 40%

SALE10 for extra 10% off

Agapanthus 'Windsor Grey'
£9.09 - £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
Agapanthus Poppin' Purple ('MP003') (PBR) (Everpanthus Series)

50% off

SALE10 for extra 10% off

Agapanthus Poppin' Purple ('MP003') (PBR) (Everpanthus Series)
£8.50 - £20.00
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Agastache Blue Boa (PBR)

50% off

SALE10 for extra 10% off

Agastache 'Blue Boa' (PBR)
£8.99 - £35.99
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
Agastache foeniculum Alabaster

50% off

SALE10 for extra 10% off

Agastache foeniculum 'Alabaster'
£4.50 - £18.00
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
Agastache rugosa Little Adder
Agastache rugosa 'Little Adder'
£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)
Agastache rugosa Beelicious Purple ('Agapd') (PBR)

40% off

SALE10 for extra 10% off

Agastache rugosa Beelicious Purple ('Agapd') (PBR)
£9.99 - £42.99
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)
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
Alstroemeria Beach Valley (Summer Paradise - Valley Series)

50% off

SALE10 for extra 10% off

Alstroemeria Beach Valley (Summer Paradise - Valley Series)
£13.00 - £35.00
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
Anemone hupehensis var. japonica Rotkäppchen
Anemone hupehensis var. japonica 'Rotkäppchen'
£12.99 - £29.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots 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)
Anemone × hybrida Whirlwind

30% off

SALE10 for extra 10% off

Anemone × hybrida 'Whirlwind'
£7.69 - £30.09
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)
Angelica gigas
Angelica gigas
£12.99 - £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
Angelica sylvestris Vicar's Mead

New

Angelica sylvestris 'Vicar's Mead'
£12.99 - £31.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Artemisia ludoviciana Silver Queen

40% off

SALE10 for extra 10% off

Artemisia ludoviciana 'Silver Queen'
£8.99 - £36.99
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
Artemisia ludoviciana Valerie Finnis
Artemisia ludoviciana 'Valerie Finnis'
£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)
0.25 star 1 star 1 star 1 star 1 star
Aster ageratoides Starshine (PBR)
Aster ageratoides 'Starshine' (PBR)
£9.99
9cm pot In stock (shipped within 2-3 working days)
Bistorta amplexicaulis Firetail
Bistorta amplexicaulis 'Firetail'
£9.99 - £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
Bistorta amplexicaulis Orange Field ('Orangofield') (PBR)
Bistorta amplexicaulis Orange Field ('Orangofield') (PBR)
£12.99 - £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)
Calamintha nepeta subsp. nepeta Blue Cloud

New

Calamintha nepeta subsp. nepeta 'Blue Cloud'
£9.99 - £24.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Campanula Rebelle

New

40% off

SALE10 for extra 10% off

Campanula 'Rebelle'
£7.79 - £19.79
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Campanula Sarastro

50% off

SALE10 for extra 10% off

Campanula 'Sarastro'
£4.50 - £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
Campanula carpatica Blaue Clips
Campanula carpatica 'Blaue Clips'
£7.99 - £32.99
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
Cenolophium denudatum
Cenolophium denudatum
£14.99 - £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)
1 star 1 star 1 star 1 star 1 star
Centranthus ruber Albus
Centranthus ruber 'Albus'
£7.99 - £32.99
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
Ceratostigma plumbaginoides

40% off

SALE10 for extra 10% off

Ceratostigma plumbaginoides
£5.39 - £22.79
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
Chrysanthemum Clara Curtis
Chrysanthemum 'Clara Curtis'
£9.99 - £22.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Chrysanthemum Dr Tom Parr

New

50% off

SALE10 for extra 10% off

Chrysanthemum 'Dr Tom Parr'
£5.00 - £11.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Chrysanthemum Duchess of Edinburgh

New

Chrysanthemum 'Duchess of Edinburgh'
£9.99 - £23.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
< Prev 1 2 3 ... 18 Next >

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