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.

Quick growing
Vegetable harvesting month
Ready made borders
Planting combinations
Ground cover
Available items
Showing Flowering month : September clear all
1028 items
Verbena bonariensis Vanity

25% off

Verbena bonariensis 'Vanity'
£3.99 £2.99
approx 40 seeds In stock (shipped within 2-3 working days)
Verbena rigida Santos

25% off

Verbena rigida 'Santos'
£2.24 - £14.99
approx 40 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)
Visnaga daucoides Green Mist

25% off

Visnaga daucoides 'Green Mist'
£3.29 £2.47
approx 200 seeds In stock (shipped within 2-3 working days)
Visnaga daucoides

25% off

Visnaga daucoides (syn. Ammi visnaga)
£2.49 £1.87
approx 300 seeds In stock (shipped within 2-3 working days)
Abelia × grandiflora

25% off

Abelia × grandiflora
£17.24 - £71.24
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
7.5 litre pot | 60 - 80cm tall In stock (shipped within 2-3 working days)
6 × 2 litre pots In stock (shipped within 2-3 working days)
Abelia × grandiflora Kaleidoscope (PBR)

25% off

Abelia × grandiflora 'Kaleidoscope' (PBR)
£17.24 - £67.49
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
7.5 litre pot | 60 - 80cm tall In stock (shipped within 2-3 working days)
Abelia × grandiflora Lucky Lots ('Wevo2') (PBR)

25% off

Abelia × grandiflora Lucky Lots ('Wevo2') (PBR)
£24.99 £18.74
2 litre pot In stock (shipped within 2-3 working days)
Abelia × grandiflora Tricolor Charm ('Mincautri') (PBR)

25% off

Abelia × grandiflora Tricolor Charm ('Mincautri') (PBR)
£18.56 - £43.49
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
Achillea Credo

25% off

Achillea 'Credo'
£7.49 - £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)
Achillea Moonshine

25% off

Achillea 'Moonshine'
£6.74 - £33.74
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)
Achillea Taygetea

25% off

Achillea 'Taygetea'
£7.49 - £17.24
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Achillea Terracotta

25% off

Achillea 'Terracotta'
£7.49 - £37.49
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
Achillea Walther Funcke

25% off

Achillea 'Walther Funcke'
£7.49 - £37.49
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)
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
Achillea filipendulina Cloth of Gold

25% off

Achillea filipendulina 'Cloth of Gold'
£6.74 - £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)
Achillea millefolium Red Velvet

25% off

Achillea millefolium 'Red Velvet'
£7.49 - £32.24
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)
Actaea simplex Pink Spike

25% off

Actaea simplex 'Pink Spike'
£11.24 - £26.24
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Agapanthus Headbourne hybrids

25% off

Agapanthus 'Headbourne hybrids'
£11.24 - £24.74
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Agapanthus Midnight Star

25% off

Agapanthus 'Midnight Star'
£10.49 - £37.49
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

25% off

Agapanthus 'Windsor Grey'
£9.74 - £56.24
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)
Agapanthus africanus

25% off

Agapanthus africanus
£10.49 - £52.49
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)
Agapanthus africanus Albus

25% off

Agapanthus africanus 'Albus'
£10.49 - £52.49
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)
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
Agapanthus Fireworks ('Mdb001') (PBR)

25% off

Agapanthus Fireworks ('Mdb001') (PBR)
£11.24 - £52.49
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)
Agapanthus Poppin' Purple ('MP003') (PBR) (Everpanthus Series)

25% off

Agapanthus Poppin' Purple ('MP003') (PBR) (Everpanthus Series)
£12.74 - £29.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots Unavailable
Agapanthus Twister ('Ambic001') (PBR)

25% off

Agapanthus Twister ('Ambic001') (PBR)
£11.99 - £56.24
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)
Agastache Blackadder

25% off

Agastache 'Blackadder'
£6.74 - £33.74
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)
Agastache Blue Boa (PBR)

25% off

Agastache 'Blue Boa' (PBR)
£6.74 - £39.74
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)
Agastache Blue Fortune

25% off

Agastache 'Blue Fortune'
£6.74 - £33.74
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)
Agastache foeniculum Alabaster

25% off

Agastache foeniculum 'Alabaster'
£6.74 - £26.99
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 Little Adder

25% off

Agastache rugosa 'Little Adder'
£6.74 - £15.74
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Agastache rugosa Beelicious Pink ('Agapk') (PBR)

New

25% off

Agastache rugosa Beelicious Pink ('Agapk') (PBR)
£7.49 - £32.24
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)

25% off

Agastache rugosa Beelicious Purple ('Agapd') (PBR)
£7.49 - £39.74
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)
Ageratina altissima Chocolate

25% off

Ageratina altissima 'Chocolate'
£6.74 - £14.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Alchemilla mollis

25% off

Alchemilla mollis
£2.09 - £29.99
approx 75 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)
Alstroemeria Beach Valley (Summer Paradise - Valley Series)

New

25% off

Alstroemeria Beach Valley (Summer Paradise - Valley Series)
£19.49 - £52.49
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
Alstroemeria Inticancha Paraíso ('Tesparai') (PBR) (Inticancha Series)

New

25% off

Alstroemeria Inticancha Paraiso ('Tesparai') (PBR) (Inticancha Series)
£19.49 - £52.49
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
Althaea officinalis

25% off

Althaea officinalis
£7.49 - £17.24
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Anemone hupehensis Hadspen Abundance

25% off

Anemone hupehensis 'Hadspen Abundance'
£9.74 - £41.24
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 hupehensis var. japonica Prinz Heinrich

25% off

Anemone hupehensis var. japonica 'Prinz Heinrich'
£8.24 - £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)
Anemone hupehensis var. japonica Rotkäppchen

New

25% off

Anemone hupehensis var. japonica 'Rotkäppchen'
£9.74 - £22.49
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Anemone Wild Swan ('Macane001') (PBR)

25% off

Anemone Wild Swan ('Macane001') (PBR)
£11.24 - £26.24
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Anemone × hybrida Honorine Jobert

25% off

Anemone × hybrida 'Honorine Jobert'
£9.56 - £37.49
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)
Anemone × hybrida Königin Charlotte

25% off

Anemone × hybrida 'Königin Charlotte'
£7.49 - £33.74
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)
Anemone × hybrida September Charm

25% off

Anemone × hybrida 'September Charm'
£8.24 - £33.74
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)
Anemone × hybrida Whirlwind

25% off

Anemone × hybrida 'Whirlwind'
£8.24 - £32.24
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

25% off

Angelica gigas
£9.74 - £33.74
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)
Angelica sylvestris Vicar's Mead

New

25% off

Angelica sylvestris 'Vicar's Mead'
£9.74 - £23.99
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

25% off

Artemisia ludoviciana 'Silver Queen'
£6.74 - £33.74
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)
Aster × frikartii Mönch

25% off

Aster × frikartii 'Mönch'
£6.74 - £33.74
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)
Betonica officinalis Hummelo

25% off

Betonica officinalis 'Hummelo'
£6.74 - £26.24
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)
Bistorta affinis Superba

25% off

Bistorta affinis 'Superba'
£7.49 - £17.24
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)

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