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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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Available items
Showing Flowering month : September clear all
852 items
Agapanthus Queen Mum ('Pmn06') (PBR)
Agapanthus Queen Mum ('Pmn06') (PBR)
£15.75 - £24.75
9cm pot shipped within 2 weeks
3 × 9cm pots shipped within 2 weeks
0 star 0 star 0 star 1 star 1 star 2.0 5 1
Agapanthus Twister ('Ambic001') (PBR)

Up to 50%

SALE10 for extra 10% off

Agapanthus Twister ('Ambic001') (PBR)
£9.59 - £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)
0.25 star 1 star 1 star 1 star 1 star 4.3 5 6
Agastache and Angelica plant combination

30% off

SALE10 for extra 10% off

Agastache & Angelica plant combination
£65.94 £57.85
6 × plants | 3 of each In stock (shipped within 2-3 working days)
Agastache and Helenium plant combination

Up to 40%

SALE10 for extra 10% off

Agastache & Helenium plant combination
£59.94 £38.66
6 × plants | 3 of each In stock (shipped within 2-3 working days)
Agastache Blackadder

40% off

SALE10 for extra 10% off

Agastache 'Blackadder'
£5.39 - £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 4.5 5 36
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 4.6 5 20
Agastache Blue Fortune

30% off

SALE10 for extra 10% off

Agastache 'Blue Fortune'
£6.29 - £25.19
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)
0.75 star 1 star 1 star 1 star 1 star 4.7 5 39
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 4.8 5 13
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 5.0 5 4
Agrostemma githago
Agrostemma githago
£3.29
approx 75 seeds In stock (shipped within 2-3 working days)
Alchemilla mollis
Alchemilla mollis
£2.79 - £39.99
approx 75 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)
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 4.9 5 20
Alisma subcordatum
Alisma subcordatum
£27.99 - £39.99
3 × 9cm pots Delivery by trusted supplier within 1 week
3 × 1 litre aquatic pots available to order from summer
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 1
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
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
Anemanthele lessoniana
Anemanthele lessoniana
£9.99 - £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)
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 4.9 5 40
Anemone hupehensis Hadspen Abundance

Up to 40%

SALE10 for extra 10% off

Anemone hupehensis 'Hadspen Abundance'
£7.79 - £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)
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

30% off

SALE10 for extra 10% off

Anemone hupehensis var. japonica 'Prinz Heinrich'
£7.69 - £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
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