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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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All items
Showing Flowering month : August clear all
80 items
Erigeron karvinskianus

Best Seller

25% off

Erigeron karvinskianus
From £2.99
approx 100 seeds
9cm pot
3 × approx 100 seeds
2 litre pot
+ 3 more available
0.75 star 1 star 1 star 1 star 1 star 4.9 5 221 (221)
Lavandula angustifolia Hidcote

Best Seller

Lavandula angustifolia 'Hidcote'
From £7.99
9cm pot
2 litre pot
3 × 9cm pots
3 × 2 litre pots
+ 3 more available
0.5 star 1 star 1 star 1 star 1 star 4.4 5 90 (90)
Verbena bonariensis

Best Seller

25% off

Verbena bonariensis
From £2.62
approx 250 seeds
3 × packets (approx 750 seeds)
9cm pot
2 litre pot
+ 3 more available
0.75 star 1 star 1 star 1 star 1 star 4.7 5 156 (156)
Helenium Moerheim Beauty

Best Seller

Helenium 'Moerheim Beauty'
From £10.99
9cm pot
2 litre pot
3 × 9cm pots
3 × 2 litre pots
0.5 star 1 star 1 star 1 star 1 star 4.5 5 31 (31)
Cosmos atrosanguineus Cherry Chocolate ('Vg001') (PBR)

30% off

Cosmos atrosanguineus Cherry Chocolate ('Vg001') (PBR)
From £6.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0 star 0 star 0 star 0 star 1 star 1.0 5 1 (1)
Cynara cardunculus
Cynara cardunculus
From £9.99
9cm pot
2 litre pot
3 × 9cm pots
6 × 9cm pots
+ 1 more available
0.25 star 1 star 1 star 1 star 1 star 4.3 5 14 (14)
Achillea millefolium Lilac Beauty
Achillea millefolium 'Lilac Beauty'
From £9.99
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 Lachsschönheit' (Galaxy Series)
Achillea 'Lachsschönheit' (Galaxy Series)
From £10.99
9cm pot
3 × 9cm pots
6 × 9cm pots
Allium angulosum Summer Beauty
Allium angulosum 'Summer Beauty'
From £20.99
2 litre pot
3 × 2 litre pots
Dianthus Stargazer ('WP13 GIL05') (PBR) (Whetman Stars Series)
Dianthus Stargazer ('WP13 GIL05') (PBR) (Whetman Stars Series)
£7.99
9cm pot
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Diascia personata Hopleys
Diascia personata 'Hopleys'
From £9.99
9cm pot
3 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star 4.7 5 3 (3)
Eutrochium maculatum (Atropurpureum Group) Purple Bush
Eutrochium maculatum (Atropurpureum Group) 'Purple Bush'
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 8 (8)
Monarda Beauty of Cobham
Monarda 'Beauty of Cobham'
From £9.99
9cm pot
3 × 9cm pots
6 × 9cm pots
Salvia Berry Blast

New

50% off

Salvia 'Berry Blast'
From £5.00
9cm pot
3 × 9cm pots
6 × 9cm pots
Salvia Cool Cream (PBR)
Salvia 'Cool Cream' (PBR)
From £10.99
9cm pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
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)
Salvia × jamensis California Sunset

New

Salvia × jamensis 'California Sunset'
From £9.99
9cm pot
3 × 9cm pots
6 × 9cm pots
Sanguisorba Plum Drops
Sanguisorba 'Plum Drops'
From £14.99
9cm pot
3 × 9cm pots
Tricyrtis formosana Dark Beauty
Tricyrtis formosana 'Dark Beauty'
From £12.99
9cm pot
3 × 9cm pots
Alcalthaea suffrutescens Parkfrieden

New

× Alcalthaea suffrutescens 'Parkfrieden'
From £12.99
9cm pot
3 × 9cm pots
Agapanthus praecox subsp. orientalis Zambezi ('Kek5006')
Agapanthus praecox subsp. orientalis Zambezi ('Kek5006')
From £24.99
2 litre pot
3 × 2 litre pots
1 star 1 star 1 star 1 star 1 star (1)
Agastache and Helenium plant combination
Agastache & Helenium plant combination
£59.94
6 × plants | 3 of each
Clematis Hudson River ('Zo06137') (PBR)
Clematis Hudson River ('Zo06137') (PBR)
£29.95
2 litre pot | 60cm cane
1 star 1 star 1 star 1 star 1 star (1)
Calluna vulgaris Dark Beauty
Calluna vulgaris 'Dark Beauty'
From £8.99
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star (1)
Cordyline australis 'Southern Splendour'

40% off

Cordyline australis 'Southern Splendour'
£34.99 £20.99
2 litre pot
Heather (4 mixed heathers)
Heather collection (4 mixed heathers)
£34.99
4 × 9cm pots
Lilium Pollen free lotus lily collection
Pollen free lotus lily collection
From £16.45
1 × collection | 3 bulbs
2 + 1 FREE collections | 9 bulbs
Dahlia merckii

New

25% off

Dahlia merckii
From £4.49
approx 10 seeds
1 star 1 star 1 star 1 star 1 star (2)
Eragrostis spectabilis
Eragrostis spectabilis
From £9.99
9cm pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star (1)
Helianthus annuus ProCut White Lite (ProCut Series)

New

25% off

Helianthus annuus 'ProCut White Lite' (ProCut Series)
£3.49 £2.62
approx 15 seeds
Helianthus debilis Soluna Lemon

25% off

Helianthus debilis 'Soluna Lemon'
£3.49 £2.62
approx 30 seeds
Nymphaea Burgundy Princess
Nymphaea 'Burgundy Princess'
£38.99
1 litre aquatic pot
Nymphaea Joey Tomocik
Nymphaea 'Joey Tomocik'
£52.99
3 litre aquatic pot
Nymphaea Mrs Richmond
Nymphaea 'Mrs Richmond'
£52.99
3 litre aquatic pot
Phalaenopsis Bellissimo Amore

Best Seller

Phalaenopsis Bellissimo Amore | Orchid
From £79.99
15cm pot | 50cm tall
with white pot
with aluminium pot
with terracotta orchid pot
+ 1 more available
1 star 1 star 1 star 1 star 1 star (2)
Phalaenopsis Boquetto Beauty
Phalaenopsis Boquetto Beauty | Orchid
From £44.99
12cm pot | 45cm tall
with white pot
with terracotta pot
with brass pot
Mandevilla Sundaville Fashion Pink ('Sunpa 4411') (Sundaville Series)
Mandevilla Fashion Pink ('Sunpa 4411') (Sundaville Series)
From £13.49
10.5cm pot
2 + 1 FREE 10.5cm pots
1 star 1 star 1 star 1 star 1 star (1)
Origanum Kent Beauty
Origanum 'Kent Beauty'
From £9.99
available to order from summer
0.5 star 1 star 1 star 1 star 1 star (7)
Four seasons clematis collection
Four seasons clematis collection
£62.96
available to order from spring 2027
Callistemon viminalis Captain Cook
Callistemon viminalis 'Captain Cook'
£24.99
available to order from spring 2027
Calycanthus Venus
Calycanthus 'Venus'
£99.99
available to order from summer
0.5 star 1 star 1 star 1 star 1 star (7)
Hydrangea aspera Villosa Group
Hydrangea aspera 'Villosa Group'
£32.99
available to order from summer
0.75 star 1 star 1 star 1 star 1 star (5)
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
Last days of summer dahlia collection
Last days of summer dahlia collection
From £23.95
available to order from winter
Pink champagne dahlia collection

Best Seller

Pink champagne dahlia collection
From £27.45
available to order from winter
Burnt orange dahlia collection
Burnt orange dahlia collection
From £15.99
available to order from winter
Candyfloss dahlia collection
Candyfloss dahlia collection
From £23.95
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
Proud Mary dahlia collection
Proud Mary dahlia collection
From £23.25
available to order from winter
Canna Wyoming
Canna 'Wyoming'
From £6.99
available to order from winter
0.25 star 1 star 1 star 1 star 1 star (4)
Dahlia American Dawn
Dahlia 'American Dawn'
From £5.49
available to order from winter
0.5 star 1 star 1 star 1 star 1 star (18)
Dahlia Hollyhill Dark Beauty
Dahlia 'Hollyhill Dark Beauty'
From £5.99
available to order from winter
Dahlia Linda's Baby
Dahlia 'Linda's Baby'
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 Night Butterfly
Dahlia 'Night Butterfly'
From £5.99
available to order from winter
1 star 1 star 1 star 1 star 1 star (1)
Dahlia Oleda
Dahlia 'Oleda'
From £5.99
available to order from winter
Dahlia Petras Wedding
Dahlia 'Petras Wedding'
From £5.99
available to order from winter
Dahlia Prinzessa ('Ariko 10-16')
Dahlia Prinzessa ('Ariko 10-16')
From £5.99
available to order from winter
Pennisetum orientale JS® Dance With Me (PBR)
Pennisetum orientale 'JS Dance With Me' (PBR)
From £14.99
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star (1)
Rosa Buff Beauty
Rosa Buff Beauty | Hybrid Musk Rose
£28.99
available to order from autumn
1 star 1 star 1 star 1 star 1 star (3)
Rosa Paul's Scarlet Climber
Rosa Paul's Scarlet Climber | Rambling Rose
£37.99
available to order from autumn
Nemesia Lady Penelope

New

Nemesia 'Lady Penelope'
From £7.99
sold out
0 star 0.25 star 1 star 1 star 1 star (3)
Gazania Christopher Lloyd
Gazania 'Christopher Lloyd'
From £7.99
available to order from winter
Osteospermum Blue Eyed Beauty ('Balostlueye') (PBR)
Osteospermum Blue Eyed Beauty ('Balostlueye') (PBR)
From £7.99
available to order from winter
0 star 1 star 1 star 1 star 1 star (3)
Nemesia Nesia Tropical (Nesia Series)
Nemesia Nesia Tropical (Nesia Series)
£9.99
sold out
1 star 1 star 1 star 1 star 1 star (2)
Thunbergia alata Orange Beauty
Thunbergia alata 'Orange Beauty'
£14.99
sold out
Rosa Paul's Himalayan Musk
Rosa Paul's Himalayan Musk | Rambling Rose
£37.99
available to order from autumn
0 star 0.75 star 1 star 1 star 1 star (7)
Rosa Scent from Heaven ('Chewbabaluv') (PBR)
Rosa Scent from Heaven ('Chewbabaluv') (PBR) | Climbing Rose
£32.99
available to order from autumn
1 star 1 star 1 star 1 star 1 star (5)
Rosa Mokarosa ('Frywitty') (PBR)
Rosa Mokarosa ('Frywitty') (PBR) | Floribunda Bush Rose
£34.99
available to order from autumn
0 star 0 star 1 star 1 star 1 star (2)
Catalpa bignonioides Aurea
Catalpa bignonioides 'Aurea'
From £49.99
available to order from spring 2027
Nymphaea Laydekeri Fulgens
Nymphaea 'Laydekeri Fulgens'
£38.99
available to order from spring 2027
Nymphaea Gloire du Temple-sur-Lot
Nymphaea 'Gloire du Temple-sur-Lot'
£52.99
available to order from spring 2027
Nymphaea alba var. rubra
Nymphaea alba var. rubra
£52.99
available to order from spring 2027
Phalaenopsis grandiflorum White
Crocus collection
Phalaenopsis grandiflorum White | Orchid
From £22.99
available to order from winter
Phalaenopsis Bellissimo Adora
Phalaenopsis Bellissimo Adora | Orchid
From £79.99
sold out
Pinguicula Tina
Pinguicula 'Tina'
From £12.99
available to order from winter
Pinguicula agnata
Pinguicula agnata
From £12.99
available to order from winter

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