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Plants that Flower in August

Make sure the display in the borders does not start to fade by adding dahlias, penstemons and hydrangeas.

By type
Facing
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Indoor plants by room
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RHS Chelsea Flower Show plant of year
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Used at RHS Chelsea Flower Show
Kitchen garden planting guidelines
Sort by availability
Available items
Showing Flowering month : August clear all
1624 items
Abelia × grandiflora

30% off

Abelia × grandiflora
From £22.99
2 litre pot
3 × 2 litre pots
7.5 litre pot | 60 - 80cm tall
6 × 2 litre pots
0.75 star 1 star 1 star 1 star 1 star 4.7 5 15 (15)
Abelia × grandiflora Kaleidoscope (PBR)

30% off

Abelia × grandiflora 'Kaleidoscope' (PBR)
From £16.09
2 litre pot
3 × 2 litre pots
7.5 litre pot | 60 - 80cm tall
0.5 star 1 star 1 star 1 star 1 star 4.5 5 4 (4)
Abelia × grandiflora Lucky Lots ('Wevo2') (PBR)
Abelia × grandiflora Lucky Lots ('Wevo2') (PBR)
£24.99
2 litre pot
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Achillea Credo

50% off

Achillea 'Credo'
From £5.00
9cm pot
3 × 9cm pots
6 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star 4.6 5 11 (11)
Achillea Lachsschönheit' (Galaxy Series)

30% off

Achillea 'Lachsschönheit' (Galaxy Series)
From £7.69
9cm pot
3 × 9cm pots
6 × 9cm pots
0 star 0 star 1 star 1 star 1 star 3.0 5 1 (1)
Achillea Moonshine
Achillea 'Moonshine'
From £9.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star 4.6 5 24 (24)
Achillea Summerwine

30% off

Achillea 'Summerwine'
From £6.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.25 star 1 star 1 star 1 star 1 star 4.2 5 5 (5)
Achillea Terracotta

30% off

Achillea 'Terracotta'
From £9.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star 4.4 5 20 (20)
Achillea Walther Funcke

Best Seller

50% off

Achillea 'Walther Funcke'
From £5.00
9cm pot
3 × 9cm pots
6 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star 4.4 5 14 (14)
Achillea filipendulina Cloth of Gold

30% off

Achillea filipendulina 'Cloth of Gold'
From £6.29
9cm pot
3 × 9cm pots
6 × 9cm pots
0.25 star 1 star 1 star 1 star 1 star 4.3 5 28 (28)
Achillea millefolium

Best Seller

Achillea millefolium
From £2.99
approx 400 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star 4.5 5 4 (4)
Achillea millefolium Cerise Queen

Up to 50% off

Achillea millefolium 'Cerise Queen'
From £4.50
9cm pot
3 × 9cm pots
2 litre pot
6 × 9cm pots
+ 1 more available
0.75 star 1 star 1 star 1 star 1 star 4.9 5 15 (15)
Achillea millefolium Lilac Beauty

50% off

Achillea millefolium 'Lilac Beauty'
From £5.00
9cm pot
3 × 9cm pots
6 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star 4.8 5 9 (9)
Achillea millefolium Pomegranate (Tutti Frutti Series)
Achillea millefolium 'Pomegranate' (Tutti Frutti Series)
From £9.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star 4.7 5 15 (15)
Achillea millefolium Red Velvet

50% off

Achillea millefolium 'Red Velvet'
From £9.00
2 litre pot
9cm pot
3 × 2 litre pots
3 × 9cm pots
+ 1 more available
0.5 star 1 star 1 star 1 star 1 star 4.4 5 18 (18)
Achillea ptarmica (The Pearl Group) The Pearl (clonal)

30% off

Achillea ptarmica (The Pearl Group) 'The Pearl' (clonal)
From £6.29
9cm pot
2 litre pot
3 × 9cm pots
6 × 9cm pots
+ 1 more available
0.5 star 1 star 1 star 1 star 1 star 4.4 5 14 (14)
Adenophora pereskiifolia White Blaze
Adenophora pereskiifolia 'White Blaze'
From £13.99
9cm pot
3 × 9cm pots
0 star 0 star 0 star 0 star 1 star 1.0 5 1 (1)
Agapanthus Midnight Sky ('DWAgHyb-01') (PBR) (Everpanthus Series)
Agapanthus Midnight Sky ('DWAgHyb-01') (PBR) (Everpanthus Series)
From £15.99
9cm pot
3 × 9cm pots
6 × 9cm pots
Agapanthus Headbourne hybrids
Agapanthus 'Headbourne hybrids'
£14.99
9cm pot
0 star 0.5 star 1 star 1 star 1 star 3.5 5 4 (4)
Agapanthus Midnight Star
Agapanthus 'Midnight Star'
From £13.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star 4.4 5 5 (5)
Agapanthus Northern Star (PBR)
Agapanthus 'Northern Star' (PBR)
From £15.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star (13)
Agapanthus Windsor Grey

Up to 50% off

Agapanthus 'Windsor Grey'
From £7.50
9cm pot
2 litre pot
3 × 9cm pots
6 × 9cm pots
+ 1 more available
1 star 1 star 1 star 1 star 1 star (4)
Agapanthus africanus

30% off

Agapanthus africanus
From £15.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0 star 1 star 1 star 1 star 1 star (13)
Agapanthus africanus Albus
Agapanthus africanus 'Albus'
From £15.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0 star 1 star 1 star 1 star 1 star (3)
Agapanthus BlackJack ('Dwaghyb02') (PBR)
Agapanthus BlackJack ('Dwaghyb02') (PBR)
From £16.99
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star (3)
Agapanthus Midnight Moon ('DWHYB20') (PBR)
Agapanthus Midnight Moon ('DWHYB20') (PBR)
From £15.99
9cm pot
3 × 9cm pots
Agapanthus Poppin' Purple ('MP003') (PBR) (Everpanthus Series)
Agapanthus Poppin' Purple ('MP003') (PBR) (Everpanthus Series)
From £16.99
9cm pot
3 × 9cm pots
0 star 1 star 1 star 1 star 1 star (2)
Agapanthus Queen Mum ('Pmn06') (PBR)

30% off

Agapanthus Queen Mum ('Pmn06') (PBR)
From £11.02
9cm pot
3 × 9cm pots
0 star 0 star 0 star 1 star 1 star (1)
Agapanthus Twister ('Ambic001') (PBR)

30% off

Agapanthus Twister ('Ambic001') (PBR)
From £15.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0 star 1 star 1 star 1 star 1 star (9)
Agastache Blackadder
Agastache 'Blackadder'
From £8.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.25 star 1 star 1 star 1 star 1 star (42)
Agastache Blue Boa (PBR)
Agastache 'Blue Boa' (PBR)
From £8.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star (24)
Agastache Blue Fortune

30% off

Agastache 'Blue Fortune'
From £6.29
9cm pot
3 × 9cm pots
2 litre pot
6 × 9cm pots
+ 1 more available
0.75 star 1 star 1 star 1 star 1 star (47)
Agastache foeniculum Alabaster

30% off

Agastache foeniculum 'Alabaster'
From £6.29
9cm pot
3 × 9cm pots
6 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star (14)
Agastache rugosa Beelicious Pink ('Agapk') (PBR)
Agastache rugosa Beelicious Pink ('Agapk') (PBR)
From £9.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star (5)
Ageratina altissima Chocolate
Ageratina altissima 'Chocolate'
From £8.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star (5)
Agrostemma githago
Agrostemma githago
£3.29
approx 75 seeds
Alcea rosea Single mixture
Alcea rosea 'Single mixture'
£2.49
approx 75 seeds
Alchemilla erythropoda

50% off

Alchemilla erythropoda
From £4.00
9cm pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star (6)
Allium Bubble Bath

50% off

Allium 'Bubble Bath'
From £7.50
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star (1)
Allium Lavender Bubbles
Allium 'Lavender Bubbles'
From £14.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0 star 1 star 1 star 1 star 1 star (2)
Allium sphaerocephalon
Allium sphaerocephalon
From £3.99
25 × bulbs
50 + 25 FREE bulbs
1000 × bulbs
0.5 star 1 star 1 star 1 star 1 star (36)
Alocasia Tiny Dancers
Alocasia 'Tiny Dancers'
£16.99
12cm pot | 30cm tall
Alstroemeria Inticancha Sunburst

New

50% off

Alstroemeria 'Inticancha Sunburst'
£24.99 £12.50
2 litre pot
Alstroemeria Inticancha Magic White ('Tesmaghwi') (Inticancha Series)

New

Alstroemeria Inticancha Magic White ('Tesmaghwi') (Inticancha Series)
£24.99
2 litre pot
0 star 1 star 1 star 1 star 1 star (3)
Alstroemeria Inticancha Paraíso ('Tesparai') (PBR) (Inticancha Series)
Alstroemeria Inticancha Paraiso ('Tesparai') (PBR) (Inticancha Series)
From £24.99
2 litre pot
3 × 2 litre pots
1 star 1 star 1 star 1 star 1 star (2)
Alstroemeria Summer Break ('Tessumbreak') (PBR) (Summer Paradise - Summer Series)

New

30% off

Alstroemeria Summer Break ('Tessumbreak') (PBR) (Summer Paradise Series)
£24.99 £17.49
2 litre pot
1 star 1 star 1 star 1 star 1 star (1)
Alstroemeria Summer Breeze ('Teshunte') (PBR) (Summer Paradise Series)

New

30% off

Alstroemeria Summer Breeze ('Teshunte') (PBR) (Summer Paradise Series)
£24.99 £17.49
2 litre pot
1 star 1 star 1 star 1 star 1 star (1)
Alstroemeria Summer Ice (Summer Paradise - Series)

New

30% off

Alstroemeria Summer Ice (Summer Paradise - Series)
£24.99 £17.49
2 litre pot
1 star 1 star 1 star 1 star 1 star (1)
Alstroemeria Times Valley ('Tessvaltime') (Summer Paradise - Valley Series)

New

50% off

Alstroemeria Times Valley ('Tessvaltime') (Summer Paradise - Series)
£24.99 £12.50
2 litre pot
Althaea officinalis
Althaea officinalis
£9.99
9cm pot
0 star 0.75 star 1 star 1 star 1 star (4)
Althea cannabina

New

Althea cannabina
From £12.99
9cm pot
3 × 9cm pots
Amaranthus caudatus
Amaranthus caudatus
£2.79
approx 2200 seeds
1 star 1 star 1 star 1 star 1 star (2)
Ammi majus
Ammi majus
From £2.89
approx 500 seeds
40 + 20 FREE seedlings
0.75 star 1 star 1 star 1 star 1 star (6)
Anemanthele lessoniana

Best Seller

Anemanthele lessoniana
From £9.99
9cm pot
2 litre pot
3 × 9cm pots
6 × 9cm pots
+ 1 more available
0.75 star 1 star 1 star 1 star 1 star (60)
Anemone Frilly Knickers ('Fp007') (PBR)

30% off

Anemone Frilly Knickers ('Fp007') (PBR)
From £11.19
9cm pot
3 × 9cm pots
0 star 1 star 1 star 1 star 1 star (3)
Anemone hupehensis var. japonica Pamina

50% off

Anemone hupehensis var. japonica 'Pamina'
From £5.50
9cm pot
3 × 9cm pots
6 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star (3)
Anemone hupehensis var. japonica Prinz Heinrich
Anemone hupehensis var. japonica 'Prinz Heinrich'
From £10.99
9cm pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star (5)
Anemone × hybrida Honorine Jobert

Best Seller

Anemone × hybrida 'Honorine Jobert'
From £13.99
9cm pot
2 litre pot
3 × 9cm pots
6 × 9cm pots
+ 1 more available
0.5 star 1 star 1 star 1 star 1 star (68)
Anemone × hybrida Königin Charlotte

Best Seller

30% off

Anemone × hybrida 'Königin Charlotte'
From £8.39
9cm pot
3 × 9cm pots
6 × 9cm pots
0 star 1 star 1 star 1 star 1 star (25)
Anemone × hybrida September Charm

Up to 50% off

Anemone × hybrida 'September Charm'
From £6.00
9cm pot
2 litre pot
3 × 9cm pots
6 × 9cm pots
+ 1 more available
0.5 star 1 star 1 star 1 star 1 star (21)
Angelica gigas

50% off

Angelica gigas
From £3.99
9cm pot
2 litre pot
3 × 9cm pots
6 × 9cm pots
+ 1 more available
0.5 star 1 star 1 star 1 star 1 star (34)
Angelonia Archangel Fuchsia

New

Angelonia 'Archangel Fuchsia'
From £7.99
9cm pot
2 + 1 FREE 9cm pots
1 star 1 star 1 star 1 star 1 star (2)
Angelonia Archangel Light Pink

New

Angelonia 'Archangel Light Pink'
From £7.99
9cm pot
2 + 1 FREE 9cm pots
Anthemis arvensis
Anthemis arvensis
£2.99
approx 100 seeds
Anthemis tinctoria E.C. Buxton
Anthemis tinctoria 'E.C. Buxton'
From £8.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.25 star 1 star 1 star 1 star 1 star (11)
Anthericum ramosum

New

Anthericum ramosum
From £12.99
9cm pot
3 × 9cm pots
Antirrhinum majus Admiral Crimson
Antirrhinum majus 'Admiral Crimson'
£4.49
approx 50 seeds
Antirrhinum majus Admiral White
Antirrhinum majus 'Admiral White'
£3.99
approx 50 seeds
1 star 1 star 1 star 1 star 1 star (1)
Antirrhinum majus Appleblossom
Antirrhinum majus 'Appleblossom'
£3.29
approx 20 seeds
Antirrhinum majus Madame Butterfly Bronze White
Antirrhinum majus 'Madame Butterfly Bronze White'
£3.49
approx 25 seeds
Antirrhinum majus Madame Butterfly Cherry Bronze
Antirrhinum majus 'Madame Butterfly Cherry Bronze'
£3.49
approx 25 seeds
Antirrhinum majus Madame Butterfly Red
Antirrhinum majus 'Madame Butterfly Red'
£3.49
approx 25 seeds
Antirrhinum majus Potomac Lavender
Antirrhinum majus 'Potomac Lavender'
£5.49
approx 50 seeds
Arctotis × hybrida hort. Flame
Arctotis × hybrida 'Flame'
From £7.99
9cm pot
2 + 1 FREE 9cm pots
0.5 star 1 star 1 star 1 star 1 star (2)
Arctotis × hybrida hort. Wine
Arctotis × hybrida 'Wine'
From £7.99
9cm pot
2 + 1 FREE 9cm pots
0.5 star 1 star 1 star 1 star 1 star (2)
Artemisia Powis Castle
Artemisia 'Powis Castle'
From £8.99
9cm pot
2 litre pot
3 × 9cm pots
6 × 9cm pots
+ 1 more available
0.5 star 1 star 1 star 1 star 1 star (24)
Artemisia ludoviciana Valerie Finnis

50% off

Artemisia ludoviciana 'Valerie Finnis'
From £4.50
9cm pot
3 × 9cm pots
6 × 9cm pots
0.25 star 1 star 1 star 1 star 1 star (8)
artichoke Vert Globe
artichoke 'Green Globe'
£2.99
approx 40 seeds
artichoke Romanesco
artichoke 'Purple Globe'
£2.99
approx 40 seeds
1 star 1 star 1 star 1 star 1 star (1)
asparagus Pacific Purple
asparagus 'Pacific Purple'
From £7.99
2 × crowns
6 × crowns
1 star 1 star 1 star 1 star 1 star (1)
asparagus pea
asparagus pea
£2.99
approx 50 seeds
0 star 0 star 1 star 1 star 1 star (1)
Aster Duchess Mixed
Aster 'Duchess Mixed'
£2.49
approx 200 seeds
Aster amellus King George
Aster amellus 'King George'
From £9.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star (7)
Aster × frikartii Mönch

Best Seller

30% off

Aster × frikartii 'Mönch'
From £6.29
9cm pot
2 litre pot
3 × 9cm pots
6 × 9cm pots
+ 1 more available
0.75 star 1 star 1 star 1 star 1 star (76)
Astilbe Darkside of the Moon (PBR)
Astilbe 'Darkside of the Moon' (PBR)
From £19.99
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star (1)
Astrantia Buckland

Best Seller

30% off

Astrantia 'Buckland'
From £13.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star (9)
Astrantia Burgundy Manor

50% off

Astrantia 'Burgundy Manor'
From £7.50
9cm pot
3 × 9cm pots
Astrantia Moulin Rouge (PBR)

50% off

Astrantia 'Moulin Rouge' (PBR)
From £7.50
9cm pot
3 × 9cm pots
0.25 star 1 star 1 star 1 star 1 star (5)
Astrantia Superstar (PBR)

30% off

Astrantia 'Superstar' (PBR)
From £11.19
9cm pot
3 × 9cm pots
0.25 star 1 star 1 star 1 star 1 star (5)
Astrantia major Claret

30% off

Astrantia major 'Claret'
From £8.92
9cm pot
3 × 9cm pots
0 star 1 star 1 star 1 star 1 star (17)
Astrantia major Florence (PBR)
Astrantia major 'Florence' (PBR)
From £15.99
9cm pot
3 × 9cm pots
Astrantia major Large White
Astrantia major 'Large White'
From £15.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star (11)
Astrantia major Penny's Pink

50% off

Astrantia major 'Penny's Pink'
From £8.00
9cm pot
3 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star (3)
Astrantia major Rubra

50% off

Astrantia major 'Rubra'
From £7.50
9cm pot
3 × 9cm pots
0 star 1 star 1 star 1 star 1 star (1)
Astrantia major Sparkling Stars Pink (Sparkling Stars Series)

30% off

Astrantia major 'Sparkling Stars Pink' (Sparkling Stars Series)
From £10.49
9cm pot
3 × 9cm pots
0 star 0 star 0 star 0.5 star 1 star (2)
Astrantia major Star of Beauty (PBR)

30% off

Astrantia major 'Star of Beauty' (PBR)
From £11.19
9cm pot
3 × 9cm pots
Astrantia major Star of Billion (PBR)
Astrantia major 'Star of Billion' (PBR)
From £17.99
9cm pot
3 × 9cm pots
Astrantia major Star of Love (PBR)
Astrantia major 'Star of Love' (PBR)
From £17.99
9cm pot
3 × 9cm pots
Astrantia major subsp. involucrata Shaggy

30% off

Astrantia major subsp. involucrata 'Shaggy'
From £10.49
9cm pot
2 litre pot
3 × 9cm pots
6 × 9cm pots
+ 1 more available
0.75 star 1 star 1 star 1 star 1 star (12)
Betonica officinalis Hummelo

30% off

Betonica officinalis 'Hummelo'
From £6.29
9cm pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star (8)
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