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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.

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Used at Chelsea
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All items
Showing Flowering month : September clear all
1684 items
Althaea officinalis
Althaea officinalis
£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)
Amaranthus caudatus
Amaranthus caudatus
£2.79
approx 2200 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 2
Amaranthus caudatus Cascade Green
Amaranthus caudatus 'Cascade Green'
£2.99
approx 2200 seeds In stock (shipped within 2-3 working days)
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
Anagallis tenella
Anagallis tenella
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 × 9cm pots available to order from summer
3 × 1 litre aquatic pots available to order from summer
Anemanthele lessoniana
Anemanthele lessoniana
£9.99 - £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
6 × 9cm pots available to order from autumn
0.75 star 1 star 1 star 1 star 1 star 4.9 5 43
Anemone hupehensis Hadspen Abundance

Up to 40%

Anemone hupehensis 'Hadspen Abundance'
£7.79 - £42.39
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
1 star 1 star 1 star 1 star 1 star 5.0 5 6
Anemone hupehensis var. japonica Prinz Heinrich

20% off

Anemone hupehensis var. japonica 'Prinz Heinrich'
£8.79 - £38.39
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
1 star 1 star 1 star 1 star 1 star 5.0 5 1
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 Wild Swan ('Macane001') (PBR)

20% off

Anemone Wild Swan ('Macane001') (PBR)
£12.79 - £30.39
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 26
Anemone × hybrida Honorine Jobert

20% off

Anemone × hybrida 'Honorine Jobert'
£10.20 - £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)
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 4.6 5 54
Anemone × hybrida Königin Charlotte

20% off

Anemone × hybrida 'Königin Charlotte'
£9.59 - £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)
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
0 star 1 star 1 star 1 star 1 star 4.1 5 20
Anemone × hybrida September Charm

20% off

Anemone × hybrida 'September Charm'
£9.59 - £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)
6 × 9cm pots In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star 4.4 5 18
Anemone × hybrida Whirlwind

40% off

Anemone × hybrida 'Whirlwind'
£6.59 - £25.79
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)
Anemopsis californica
Anemopsis californica
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 × 9cm pots available to order from summer
3 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
Angelica gigas

20% off

Angelica gigas
£10.39 - £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)
0.5 star 1 star 1 star 1 star 1 star 4.5 5 34
Angelica sylvestris Vicar's Mead

New

Angelica sylvestris 'Vicar's Mead'
£11.19 - £26.39
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Anthemis arvensis
Anthemis arvensis
£2.99
approx 100 seeds In stock (shipped within 2-3 working days)
Antique peach dahlia collection
Antique peach dahlia collection
£27.45 - £54.90
1 × collection | 5 tubers available to order from winter
2 + 1 FREE collections | 15 tubers available to order from winter
Antirrhinum majus Admiral Crimson
Antirrhinum majus 'Admiral Crimson'
£3.29
approx 50 seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Admiral White
Antirrhinum majus 'Admiral White'
£3.99 - £10.00
approx 50 seeds In stock (shipped within 2-3 working days)
3 × packets of seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Antirrhinum majus Appleblossom
Antirrhinum majus 'Appleblossom'
£2.49 - £7.00
approx 20 seeds In stock (shipped within 2-3 working days)
3 × packets of seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Madame Butterfly Bronze White
Antirrhinum majus 'Madame Butterfly Bronze White'
£3.49
approx 25 seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Madame Butterfly Cherry Bronze
Antirrhinum majus 'Madame Butterfly Cherry Bronze'
£3.49
approx 25 seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Madame Butterfly Pink

New

Antirrhinum majus 'Madame Butterfly Pink'
£3.49
approx 25 seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Madame Butterfly Red

New

Antirrhinum majus 'Madame Butterfly Red'
£3.49
approx 25 seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Night and Day
Antirrhinum majus 'Night and Day'
£2.49
approx 500 seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Potomac Lavender
Antirrhinum majus 'Potomac Lavender'
£4.79
approx 50 seeds In stock (shipped within 2-3 working days)
Antirrhinum majus Sonnet Series, formula mixed
Antirrhinum majus Sonnet Series mixed
£36.99
40 + 20 FREE seedlings sold out
1 star 1 star 1 star 1 star 1 star
Aponogeton distachyos
Aponogeton distachyos
£34.99 - £64.99
1 litre aquatic pot available to order from summer
3 litre aquatic pot available to order from summer
10 litre pot available to order from summer
0 star 1 star 1 star 1 star 1 star
Aquilegia and Anemanthele plant combination
Aquilegia & Anemanthele plant combination
£59.94
6 × plants | 3 of each available to order from autumn
Arbutus unedo
Arbutus unedo
£34.99
2 litre pot | 30cm tall In stock (shipped within 3-5 working days)
0.75 star 1 star 1 star 1 star 1 star
Arctotis × hybrida hort. Flame
Arctotis × hybrida 'Flame'
£7.99 - £15.98
1 litre pot available to order from autumn
2 + 1 FREE 1 litre pots available to order from autumn
Arctotis × hybrida hort. Red Devil
Arctotis × hybrida 'Red Devil'
£7.99 - £15.98
1 litre pot available to order from autumn
2 + 1 FREE 1 litre pots available to order from autumn
Arctotis × hybrida hort. Wine
Arctotis × hybrida 'Wine'
£7.99 - £15.98
1 litre pot available to order from autumn
2 + 1 FREE 1 litre pots available to order from autumn
Artemisia ludoviciana Silver Queen

Up to 40%

Artemisia ludoviciana 'Silver Queen'
£7.19 - £29.59
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

20% off

Artemisia ludoviciana 'Valerie Finnis'
£7.19 - £28.79
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)
0.5 star 1 star 1 star 1 star 1 star
Assorted native oxygenating
Assorted native oxygenating bunches
£19.99 - £39.98
5 × bunches Delivery by trusted supplier within 1 week
10 + 5 FREE Delivery by trusted supplier within 1 week
Aster Duchess Mixed
Aster 'Duchess Mixed'
£2.49
approx 200 seeds In stock (shipped within 2-3 working days)
Aster amellus King George
Aster amellus 'King George'
£7.99 - £31.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
1 star 1 star 1 star 1 star 1 star
Aster chinensis Silver Blue

New

Aster chinensis 'Silver Blue'
£4.99
approx 25 seeds available to order from autumn
Aster × frikartii Mönch

20% off

Aster × frikartii 'Mönch'
£7.19 - £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)
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
Astrantia Roma (PBR)
Astrantia 'Roma' (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)
6 × 9cm pots In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star
Award-winning crocosmia collection
Award-winning crocosmia collection
£18.95 - £37.90
1 × collection | 30 bulbs available to order from winter
2 + 1 FREE collections | 90 bulbs available to order from winter
Award-winning dahlia collection
Award-winning dahlia collection
£16.45 - £32.90
1 × collection | 3 tubers available to order from winter
2 + 1 FREE collections | 9 tubers available to order from winter
Award-winning honeysuckle collection
Award-winning honeysuckle collection
£44.97
1 × collection | 3 plants available to order from autumn
Award-winning late-summer flowering clematis collection
Award-winning late-summer flowering clematis collection
£44.97
1 × collection | 3 plants available to order from autumn
Award-winning spring, summer & autumn clematis collection
Award-winning spring, summer & autumn clematis collection
£47.97
1 × collection | 3 plants available to order from autumn
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