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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
1825 items
Agastache Blue Fortune

20% off

Agastache 'Blue Fortune'
£7.19 - £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)
0.75 star 1 star 1 star 1 star 1 star 4.7 5 38
Agastache foeniculum Alabaster

20% off

Agastache foeniculum 'Alabaster'
£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)
0.75 star 1 star 1 star 1 star 1 star 4.8 5 13
Agastache rugosa Little Adder

20% off

Agastache rugosa 'Little Adder'
£7.19 - £42.39
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
3 × 2 litre pots Unavailable
Agastache rugosa Beelicious Pink ('Agapk') (PBR)

New

20% off

Agastache rugosa Beelicious Pink ('Agapk') (PBR)
£7.99 - £34.39
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)
Ageratina altissima Chocolate

20% off

Ageratina altissima 'Chocolate'
£7.19 - £15.99
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 4
Alchemilla mollis

20% off

Alchemilla mollis
£2.23 - £31.99
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)
1 star 1 star 1 star 1 star 1 star 4.9 5 20
Alstroemeria Beach Valley (Summer Paradise - Valley Series)

New

20% off

Alstroemeria Beach Valley (Summer Paradise - Valley Series)
£20.79 - £55.99
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

20% off

Alstroemeria Inticancha Paraiso ('Tesparai') (PBR) (Inticancha Series)
£20.79 - £55.99
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

20% off

Althaea officinalis
£7.99 - £18.39
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

20% off

Anemone hupehensis 'Hadspen Abundance'
£10.39 - £43.99
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
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)
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

20% off

Anemone hupehensis var. japonica 'Rotkäppchen'
£10.39 - £23.99
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)

New

20% off

Anemone Ruffled Swan ('Macane007') (PBR)
£11.99 - £27.99
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

20% off

Anemone × hybrida 'Honorine Jobert'
£10.20 - £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)
0.75 star 1 star 1 star 1 star 1 star 4.6 5 52
Anemone × hybrida Königin Charlotte

20% off

Anemone × hybrida 'Königin Charlotte'
£7.99 - £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)
0.25 star 1 star 1 star 1 star 1 star 4.3 5 19
Anemone × hybrida September Charm

20% off

Anemone × hybrida 'September Charm'
£8.79 - £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

20% off

Anemone × hybrida 'Whirlwind'
£8.79 - £34.39
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)
Angelica gigas

20% off

Angelica gigas
£10.39 - £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 4.6 5 32
Angelica sylvestris Vicar's Mead

New

20% off

Angelica sylvestris 'Vicar's Mead'
£10.39 - £25.59
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

20% off

Artemisia ludoviciana 'Silver Queen'
£7.19 - £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 7
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