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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.

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Used at RHS Chelsea Flower Show
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Showing Flowering month : August clear all
106 items
Cottage garden showstoppers mini-border collection
Cottage garden showstoppers mini-border collection
£71.99
6 × 9cm plants
Salvia Nachtvlinder

Best Seller

30% off

Salvia 'Nachtvlinder'
From £6.99
9cm pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star 4.9 5 41 (41)
Sanguisorba Tanna

Best Seller

40% off

Sanguisorba 'Tanna'
From £11.99
2 litre pot
9cm pot
3 × 9cm pots
3 × 2 litre pots
+ 1 more available
0.5 star 1 star 1 star 1 star 1 star 4.4 5 15 (15)
Penstemon Midnight

New

Penstemon 'Midnight'
From £8.99
9cm pot
3 × 9cm pots
6 × 9cm pots
Angelica gigas

25% off

Angelica gigas
From £2.99
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 4.5 5 34 (34)
Astrantia major Rubra
Astrantia major 'Rubra'
From £14.99
9cm pot
3 × 9cm pots
0 star 1 star 1 star 1 star 1 star 4.0 5 1 (1)
Bistorta amplexicaulis Orange Field ('Orangofield') (PBR)
Bistorta amplexicaulis Orange Field ('Orangofield') (PBR)
From £12.99
9cm pot
3 × 9cm pots
6 × 9cm pots
Echinacea purpurea Green Jewel (PBR)
Echinacea 'Green Jewel' (PBR)
From £14.99
9cm pot
3 × 9cm pots
0 star 0 star 0.25 star 1 star 1 star 2.3 5 3 (3)
Salvia nemorosa Crystal Blue (Color Spires Series)
Salvia nemorosa Crystal Blue (Color Spires Series)
From £9.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star 4.5 5 2 (2)
Salvia uliginosa
Salvia uliginosa
From £18.99
2 litre pot
3 × 2 litre pots
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Sanguisorba Plum Drops
Sanguisorba 'Plum Drops'
From £14.99
9cm pot
3 × 9cm pots
Verbascum Lavender Lass
Verbascum 'Lavender Lass'
From £14.99
9cm pot
3 × 9cm pots
Verbascum Sugar Plum (PBR)
Verbascum 'Sugar Plum' (PBR)
From £12.99
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
× Heucherella Sweet Tea (PBR)
× Heucherella 'Sweet Tea' (PBR)
From £12.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.25 star 1 star 1 star 1 star 1 star 4.3 5 12 (12)
Agastache and Angelica plant combination
Agastache & Angelica plant combination
£65.94
6 × plants | 3 of each
Best purple salvia collection

New

Up to 50% off

Best purple salvia collection
From £21.98
1 × collection | 3 plants
3 × collections | 9 plants
Classic cottage alba combination
Classic cottage alba combination
From £40.96
4 plants | 1 of each
12 plants | 3 of each
Classic cottage apricot combination
Classic cottage apricot combination
From £39.96
4 plants | 1 of each
12 plants | 3 of each
Classic cottage dusky Rozanne combination
Classic cottage dusky Rozanne combination
From £45.96
4 plants | 1 of each
12 plants | 3 of each
Classic cottage moody combination
Classic cottage moody combination
From £49.96
4 plants | 1 of each
12 plants | 3 of each
Classic cottage mini-border collection
Cottage garden mini-border collection
£64.99
6 × 9cm plants
Pollinator's violet mini-border collection
Pollinator's violet mini-border collection
£55.99
6 × 9cm plants
Weed-smothering mini-border collection
Weed-smothering mini-border collection
£57.99
6 × 9cm plants
Penstemon Pensham Plum Jerkum (Pensham Series)
Penstemon 'Pensham Plum Jerkum' (Pensham Series)
From £8.99
2 litre pot
3 × 2 litre pots
0.75 star 1 star 1 star 1 star 1 star (12)
Clematis Princess Kate ('Zoprika') (PBR)
Clematis Princess Kate ('Zoprika') (PBR)
£29.95
2 litre pot | 60cm cane
0.75 star 1 star 1 star 1 star 1 star (15)
Clematis Dark Eyes
Clematis 'Dark Eyes'
£22.95
3 litre pot | 60cm cane
0.25 star 1 star 1 star 1 star 1 star (3)
Clematis Elsa Späth
Clematis 'Elsa Späth'
From £14.99
3 litre pot | 60cm cane
Vinca minor Atropurpurea
Vinca minor 'Atropurpurea'
From £7.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0 star 0.75 star 1 star 1 star 1 star (3)
Buddleja Sugar Plum ('Lonplum') (PBR)
Buddleja Sugar Plum ('Lonplum') (PBR)
£24.99
2 litre pot
0.75 star 1 star 1 star 1 star 1 star (18)
Hydrangea arborescens Lime Rickey ('Smnhalr') (PBR)
Hydrangea arborescens Lime Rickey ('Smnhalr') (PBR)
From £34.99
2 litre pot
3 × 2 litre pots
Shades of purple - Allium collection

Best Seller

Save 10% with AUTUMN10

Shades of purple - allium collection
From £26.75
1 × collection | 50 bulbs
2 + 1 FREE collections | 150 bulbs
Zinnia elegans Envy

25% off

Zinnia elegans 'Envy'
£2.99 £2.24
approx 100 seeds
1 star 1 star 1 star 1 star 1 star (1)
Cosmos bipinnatus Xanthos

25% off

Cosmos bipinnatus 'Xanthos'
From £3.22
approx 30 seeds
0 star 0.25 star 1 star 1 star 1 star (3)
Lathyrus odoratus Noel Sutton

25% off

Lathyrus odoratus 'Noel Sutton'
From £2.24
approx 20 seeds
Visnaga daucoides

25% off

Visnaga daucoides (syn. Ammi visnaga)
From £1.87
approx 300 seeds
Bupleurum rotundifolium Griffithii

25% off

Bupleurum rotundifolium 'Griffithii'
£2.99 £2.24
approx 125 seeds
Lathyrus odoratus Beaujolais

25% off

Lathyrus odoratus 'Beaujolais'
£3.49 £2.62
approx 20 seeds
1 star 1 star 1 star 1 star 1 star (2)
Lathyrus odoratus Mollie Rilstone

25% off

Lathyrus odoratus 'Mollie Rilstone'
From £2.47
approx 20 seeds
Nigella papillosa Delft Blue

25% off

Nigella papillosa 'Delft Blue'
From £2.09
approx 500 seeds
Papaver somniferum Lauren's Grape

Best Seller

25% off

Papaver somniferum 'Lauren's Grape'
From £2.62
approx 100 seeds
3 × packets of 100 seeds
1 star 1 star 1 star 1 star 1 star (1)
Papaver somniferum Lilac Pompom

25% off

Papaver somniferum 'Lilac Pompom'
£2.19 £1.64
approx 200 seeds
0 star 0 star 0 star 0 star 1 star (1)
Papaver somniferum (Paeoniiflorum Group) Black Paeony

25% off

Papaver somniferum (Paeoniiflorum Group) 'Black Paeony'
£3.49 £2.62
approx 500 seeds
Scabiosa atropurpurea Black Knight

25% off

Scabiosa atropurpurea 'Black Knight'
£3.79 £2.84
approx 75 seeds
1 star 1 star 1 star 1 star 1 star (1)
Visnaga daucoides Green Mist

25% off

Visnaga daucoides 'Green Mist'
£3.29 £2.47
approx 200 seeds
1 star 1 star 1 star 1 star 1 star (2)
Bright and bold sweet pea collection

25% off

Bright & bold sweet pea collection
£9.97 £7.48
1 × collection
Cherry creme brûlée cutting garden collection

25% off

Cherry créme brûlée cutting garden collection
£25.33 £19.00
1 × collection
Sugared almonds cutting garden collection

25% off

Sugared almonds cutting garden collection
£28.62 £22.19
1 × collection
Nymphaea Almost Black
Nymphaea 'Almost Black'
From £38.99
1 litre aquatic pot
3 litre aquatic pot
10 litre pot
30 litre pot
0.75 star 1 star 1 star 1 star 1 star (3)
Streptocarpus Leah
Streptocarpus 'Leah' & ceramic pot cover
£32.99
10cm pot | with 11cm white pot
Streptocarpus collection
Streptocarpus collection
£41.99
1 × collection | 6 plants
1 star 1 star 1 star 1 star 1 star (1)
Phlox paniculata Blue Paradise
Phlox paniculata 'Blue Paradise'
From £9.99
available to order from summer
0.5 star 1 star 1 star 1 star 1 star (12)
Penstemon Pensham Bilberry Ice (Pensham Series)

New

Penstemon 'Pensham Bilberry Ice' (Pensham Series)
From £8.99
available to order from spring 2027
Dusky violet shade mini-border collection

New

Dusky violet shade mini-border collection
From £54.99
available to order from summer
Pensham Penstemon collection

New

Pensham Penstemon collection
From £26.97
available to order from spring 2027
Astrantia major Gill Richardson Group

New

Astrantia major 'Gill Richardson Group'
From £14.99
available to order from spring 2027
Salvia × jamensis Violette de Loire ('Barsal') (PBR)

New

Salvia × jamensis Violette de Loire ('Barsal) (PBR)
From £11.99
available to order from spring 2027
Verbascum Honey Dijon

New

Verbascum 'Honey Dijon'
£12.99
available to order from spring 2027
Salvia Blue Note (PBR)

New

Salvia 'Blue Note' (PBR)
From £5.00
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
Clematis Rebecca ('Evipo016') (PBR) (Boulevard Series)
Clematis Rebecca ('Evipo016') (PBR) (Boulevard Series)
£29.99
available to order from spring 2027
0.5 star 1 star 1 star 1 star 1 star (15)
Clematis Avant-garde ('Evipo033') (PBR)
Clematis Avant-garde ('Evipo033') (PBR)
£35.99
available to order from spring 2027
Clematis Jackmanii Purpurea ('Zojapur') (PBR)
Clematis Jackmanii Purpurea ('Zojapur') (PBR)
£27.99
available to order from summer
Veronica Caledonia
Veronica 'Caledonia'
£24.99
available to order from spring 2027
0.75 star 1 star 1 star 1 star 1 star (11)
Berry dahlia collection

Best Seller

Berry dahlia collection
From £29.75
available to order from winter
Burnt sugar dahlia collection
Burnt sugar dahlia collection
From £18.95
available to order from winter
Coffee and cream dahlia collection
Coffee & cream dahlia collection
From £23.95
available to order from winter
Bees and butterflies dahlia collection

Best Seller

Bees & butterflies dahlia collection
From £23.95
available to order from winter
John's pollinator 5 varieties dahlia collection
John's pollinator 5 varieties dahlia collection
From £28.45
available to order from winter
John's pollinator dahlia collection
John's pollinator dahlia collection
From £17.75
available to order from winter
Lucy's go your own way 5 varieties dahlia collection
Lucy's go your own way 5 varieties dahlia collection
From £28.95
available to order from winter
Tangerine twist 3 varieties dahlia collection
Tangerine twist 3 varieties dahlia collection
From £16.99
available to order from winter
Tangerine twist 5 varieties dahlia collection
Tangerine twist 5 varieties dahlia collection
From £28.95
available to order from winter
Burnt orange dahlia collection
Burnt orange dahlia collection
From £15.99
available to order from winter
Coffee and cream 5 varieties dahlia collection
Coffee & cream 5 varieties dahlia collection
From £29.95
available to order from winter
Cutting garden dahlia collection
Cutting garden dahlia collection
From £28.95
available to order from winter
Mulberry twirl dahlia collection
Mulberry twirl dahlia collection
From £29.25
available to order from winter
Plums and peaches dahlia collection
Plum & peaches dahlia collection
From £12.90
available to order from winter
Classic Canna collection
Classic canna collection
From £28.95
available to order from winter
Favourite gladioli collection
Favourite gladioli collection
From £19.95
available to order from winter
Gladiolus for cutting collection
Gladioli for cutting collection
From £19.95
available to order from winter
The ultimate cutting gladioli collection
The ultimate cutting gladioli collection
From £35.95
available to order from winter
Tropicanna Cannas
Tropicanna canna collection
From £33.95
available to order from winter
Venetian gladioli collection
Venetian gladioli collection
From £18.95
available to order from winter
Zantedeschia collection
Zantedeschia collection
From £20.95
available to order from winter
Canna Phasion
Canna 'Phasion'
From £11.99
available to order from winter
0.25 star 1 star 1 star 1 star 1 star (8)
Canna Tropicanna Black ('Lon01') (PBR)
Canna Tropicanna Black ('Lon01') (PBR)
From £9.99
available to order from winter
0.75 star 1 star 1 star 1 star 1 star (8)
Dahlia Arabian Night
Dahlia 'Arabian Night'
From £5.99
available to order from winter
0.75 star 1 star 1 star 1 star 1 star (6)
Dahlia Bayou (PBR)
Dahlia 'Bayou' (PBR)
From £5.99
available to order from winter
1 star 1 star 1 star 1 star 1 star (3)
Dahlia Bishop of Oxford
Dahlia 'Bishop of Oxford'
From £5.79
available to order from winter
0 star 1 star 1 star 1 star 1 star (1)
Dahlia Burlesca
Dahlia 'Burlesca'
From £5.79
available to order from winter
Dahlia Crème de Cassis
Dahlia 'Crème de Cassis'
From £5.99
available to order from winter
0.75 star 1 star 1 star 1 star 1 star (4)
Dahlia Ivanetti
Dahlia 'Ivanetti'
From £6.49
available to order from winter
1 star 1 star 1 star 1 star 1 star (1)
Dahlia Ludwig Helfert
Dahlia 'Ludwig Helfert'
From £5.99
available to order from winter
Dahlia Missis Miley
Dahlia 'Missis Miley'
From £5.99
available to order from winter
1 star 1 star 1 star 1 star 1 star (1)
Dahlia Totally Tangerine
Dahlia 'Totally Tangerine'
From £5.39
available to order from winter
1 star 1 star 1 star 1 star 1 star (12)
Dahlia Happy Single Wink ('HS Wink') (PBR) (Happy Single Series)
Dahlia Happy Single Wink ('HS Wink') (PBR) (Happy Single Series)
From £5.99
available to order from winter
0.25 star 1 star 1 star 1 star 1 star (11)
Gladiolus Green Star
Gladiolus 'Green Star'
From £5.99
available to order from winter
0 star 1 star 1 star 1 star 1 star (2)
Gladiolus Plum Tart
Gladiolus 'Plum Tart'
From £6.99
available to order from winter
0.25 star 1 star 1 star 1 star 1 star (20)
Carex oshimensis Everillo (PBR) (EverColor Series)
Carex oshimensis 'Everillo' (PBR) (EverColor Series)
From £12.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (2)
Fuchsia Thalia
Fuchsia 'Thalia'
From £7.99
available to order from winter
1 star 1 star 1 star 1 star 1 star (2)
Osteospermum Soleo Glow

New

Osteospermum 'Soleo Glow'
From £7.99
available to order from winter
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