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
Curated Collections
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 common name
All items
Showing Flowering month : September clear all
1831 items
Bidens ferulifolia Bee Happy Red ('Baleehedi') (Bee Happy Series)
Bidens ferulifolia Bee Happy Red ('Baleehedi') (Bee Happy Series)
£6.99
9cm pot available to order from autumn
Liriope muscari

50% off

SALE10 for extra 10% off

Liriope muscari
£6.50 - £69.99
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
6 × 2 litre pots available to order from autumn
0.5 star 1 star 1 star 1 star 1 star 4.5 5 29
Lotus corniculatus
Lotus corniculatus
£2.99
approx 100 seeds In stock (shipped within 2-3 working days)
0 star 1 star 1 star 1 star 1 star 4.0 5 2
Ammi majus
Ammi majus
£2.79 - £36.99
approx 500 seeds In stock (shipped within 2-3 working days)
3 × packets of seeds In stock (shipped within 2-3 working days)
40 + 20 FREE seedlings sold out
0.5 star 1 star 1 star 1 star 1 star 4.5 5 4
Visnaga daucoides
Visnaga daucoides (syn. Ammi visnaga)
£2.49
approx 300 seeds In stock (shipped within 2-3 working days)
Visnaga daucoides Green Mist
Visnaga daucoides 'Green Mist'
£3.29
approx 200 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 2
Magnolia liliiflora Nigra

30% off

SALE10 for extra 10% off

Magnolia liliiflora 'Nigra'
£34.99 - £69.99
2 litre pot | 30cm tall In stock (shipped within 2-3 working days)
5 litre pot | 50 - 70cm tall In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star 4.7 5 3
Hydrangea macrophylla Black Steel Zambia (Black Steel Series)
Hydrangea macrophylla 'Black Steel Zambia' (Black Steel Series)
£17.99
1.5 litre pot In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star 4.7 5 7
Thunbergia alata Susie Orange with Black Eye (Susie Series)
Thunbergia alata 'Susie Orange with Black Eye' (Susie Series)
£2.89 - £25.98
approx 30 seeds In stock (shipped within 2-3 working days)
5 × seedlings | jumbo sold out
10 + 5 FREE seedlings | jumbo sold out
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Rudbeckia fulgida Little Goldstar (PBR)
Rudbeckia fulgida 'Little Goldstar' (PBR)
£12.99 - £52.99
9cm pot available to order from autumn
2 litre pot available to order from autumn
3 × 9cm pots available to order from autumn
3 × 2 litre pots available to order from autumn
6 × 9cm pots available to order from autumn
1 star 1 star 1 star 1 star 1 star 5.0 5 3
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 4.8 5 14
Rudbeckia fulgida Early Bird Gold
Rudbeckia fulgida 'Early Bird Gold'
£12.99 - £29.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Thunbergia alata Susie White Black Eye (Susie Series)
Thunbergia alata 'Susie White Black Eye' (Susie Series)
£6.99 - £25.98
9cm pot available to order from autumn
5 × seedlings | jumbo sold out
10 + 5 FREE seedlings | jumbo sold out
Thunbergia alata Sunny Susy New Orange ('Sumthun 03') (PBR) (Sunny Susy Series)
Thunbergia alata Sunny Susy New Orange ('Sumthun 03') (Sunny Susy Series)
£19.99
3 litre pot | 40cm cane available to order from autumn
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Thunbergia alata SunEyes Rose Sensation
Thunbergia alata 'SunEyes Rose Sensation'
£3.50 - £29.98
9cm pot available to order from autumn
5 × seedlings | jumbo sold out
10 + 5 FREE seedlings | jumbo sold out
blackberry Oregon Thornless
blackberry 'Oregon Thornless'
£21.99 - £43.98
3 litre pot available to order from autumn
2 + 1 FREE 3 litre pots available to order from autumn
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Gaillardia × grandiflora Burgunder
Gaillardia × grandiflora 'Burgunder'
£2.99 - £19.99
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)
Lobelia siphilitica
Lobelia siphilitica
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
Passiflora caerulea

30% off

SALE10 for extra 10% off

Passiflora caerulea
£17.99 - £35.98
3 litre pot | 60cm cane In stock (shipped within 2-3 working days)
9cm pot | 30cm cane available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
0.75 star 1 star 1 star 1 star 1 star 4.8 5 22
Caryopteris × clandonensis Pink Perfection ('Lisspin') (PBR)
Caryopteris × clandonensis Pink Perfection ('Lisspin') (PBR)
£26.99
2 litre pot available to order from autumn
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Caryopteris × clandonensis Sterling Silver ('Lissilv') (PBR)
Caryopteris × clandonensis Sterling Silver ('Lissilv') (PBR)
£26.75
2 litre pot In stock (shipped within 2-3 working days)
Caryopteris × clandonensis White Surprise (PBR)

50% off

SALE10 for extra 10% off

Caryopteris × clandonensis 'White Surprise' (PBR)
£26.99 £13.50
2 litre pot In stock (shipped within 2-3 working days)
Caryopteris × clandonensis Grand Bleu ('Inoveris') (PBR)

30% off

SALE10 for extra 10% off

Caryopteris × clandonensis Grand Bleu ('Inoveris') (PBR)
£20.99 £14.69
2 litre pot In stock (shipped within 2-3 working days)
Caryopteris x clandonensis Kew Blue
Caryopteris x clandonensis 'Kew Blue'
£8.99 - £20.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Caryopteris × clandonensis Hint of Gold ('Lisaura') (PBR)

50% off

SALE10 for extra 10% off

Caryopteris × clandonensis Hint of Gold ('Lisaura') (PBR)
£22.99 £11.50
2 litre pot In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Caryopteris × clandonensis Heavenly Blue

50% off

SALE10 for extra 10% off

Caryopteris × clandonensis 'Heavenly Blue'
£8.99 - £37.99
9cm pot 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)
0.5 star 1 star 1 star 1 star 1 star
Caryopteris × clandonensis Dark Knight

40% off

SALE10 for extra 10% off

Caryopteris × clandonensis 'Dark Knight'
£19.99 £11.99
2 litre pot In stock (shipped within 2-3 working days)
0 star 0.75 star 1 star 1 star 1 star
Billardiera heterophylla Ultra Blue (PBR)
Billardiera heterophylla 'Ultra Blue' (PBR)
£26.95
3 litre pot | 60cm cane available to order from autumn
Billardiera heterophylla
Billardiera heterophylla
£29.99
3 litre pot | 60cm cane available to order from autumn
0.5 star 1 star 1 star 1 star 1 star
Anagallis tenella
Anagallis tenella
£21.99 - £39.99
3 × 9cm pots Delivery by trusted supplier within 1 week
1 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
Salvia uliginosa
Salvia uliginosa
£19.99 - £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)
1 star 1 star 1 star 1 star 1 star
Salvia uliginosa African Skies
Salvia uliginosa 'African Skies'
£9.99 - £19.99
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
Borago officinalis
borage | Borago officinalis
£2.19 - £15.98
approx 75 organic seeds In stock (shipped within 2-3 working days)
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
0.5 star 1 star 1 star 1 star 1 star
Phlox paniculata Franz Schubert
Phlox paniculata 'Franz Schubert'
£17.99 - £39.99
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
0 star 0 star 1 star 1 star 1 star
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
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
Phlox paniculata Rembrandt
Phlox paniculata 'Rembrandt'
£8.99 - £19.99
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
Phlox paniculata Mount Fuji
Phlox paniculata 'Mount Fuji'
£8.99 - £39.99
9cm pot available to order from autumn
2 litre pot available to order from autumn
3 × 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
Callistemon viminalis Hot Pink ('Kkho1') (PBR)

30% off

SALE10 for extra 10% off

Callistemon viminalis Hot Pink ('Kkho1') (PBR)
£27.99 £19.59
2 litre pot In stock (shipped within 2-3 working days)
Nerine bowdenii Ostara
Nerine bowdenii 'Ostara'
£4.99 - £13.00
1 × bulb available to order from winter
3 × bulbs available to order from winter
0 star 0 star 0 star 1 star 1 star
Nerine bowdenii
Nerine bowdenii
£4.99 - £9.98
1 × bulb available to order from winter
2 + 1 FREE bulbs available to order from winter
0 star 0.25 star 1 star 1 star 1 star
Nerine bowdenii Ella K
Nerine bowdenii 'Ella K'
£4.99 - £13.00
1 × bulb available to order from winter
3 × bulbs available to order from winter
Nerine collection
Nerine collection
£14.95 - £29.90
1 × collection | 3 bulbs available to order from winter
2 + 1 FREE collections | 9 bulbs available to order from winter
Brachyscome Royal Blue

50% off

SALE10 for extra 10% off

Brachyscome 'Royal Blue'
£3.50 - £25.98
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
1 star 1 star 1 star 1 star 1 star
Cotula coronopifolia
Cotula coronopifolia
£21.99 - £39.99
1 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 9cm pots Delivery by trusted supplier within 1 week
3 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
Wildlife pond plant collection
Wildlife pond plant collection
£39.99 - £119.98
3 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
6 × 9cm pots Delivery by trusted supplier within 1 week
6 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
4 × 3 litre aquatic pots Delivery by trusted supplier within 1 week
12 + 6 FREE 9cm pots Delivery by trusted supplier within 1 week
Cirsium rivulare Trevors Felley Find (PBR)
Cirsium rivulare 'Trevors Felley Find' (PBR)
£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)
0.75 star 1 star 1 star 1 star 1 star
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)
Magnolia grandiflora
Magnolia grandiflora
£44.99
3 litre pot | 30cm tall available to order from autumn
1 star 1 star 1 star 1 star 1 star
Bupleurum fruticosum

New

Bupleurum fruticosum
£12.99 - £29.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
< Prev 1 ... 4 5 6 ... 37 Next >

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