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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
241 items
Allium Millennium
Allium 'Millennium'
From £12.99
9cm pot
3 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star 4.7 5 3 (3)
Crocosmia Lucifer
Crocosmia 'Lucifer'
From £5.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star 4.6 5 37 (37)
Allium angulosum Summer Beauty
Allium angulosum 'Summer Beauty'
From £20.99
2 litre pot
3 × 2 litre pots
Crocosmia × crocosmiiflora Red King
Crocosmia × crocosmiiflora 'Red King'
From £9.99
9cm pot
3 × 9cm pots
0 star 1 star 1 star 1 star 1 star 4.0 5 2 (2)
Geranium macrorrhizum
Geranium macrorrhizum
From £9.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star 4.9 5 7 (7)
Hosta Silly String (PBR)
Hosta 'Silly String' (PBR)
From £14.99
9cm pot
3 × 9cm pots
0 star 1 star 1 star 1 star 1 star 4.0 5 2 (2)
Hosta Tears in Heaven (PBR)
Hosta 'Tears in Heaven' (PBR)
From £14.99
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Dahlia Tamburo
Dahlia 'Tamburo'
From £14.99
3 litre pot
2 + 1 FREE 3 litre pots
Classic cottage mini-border collection
Cottage garden mini-border collection
£64.99
6 × 9cm plants
Hydrangea and tulip pot combination

40% off

Hydrangea & tulip pot combination
£123.98 £112.38
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
Designer allium bulb collection

Save 10% with AUTUMN10

Designer allium collection
From £19.45
1 × collection | 75 bulbs
2 + 1 FREE collections | 225 bulbs
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Butterfly allium collection

Save 10% with AUTUMN10

Butterfly allium collection
From £17.75
1 × collection | 45 bulbs
2 + 1 FREE collections | 135 bulbs
Lilium Pollen free lotus lily collection
Pollen free lotus lily collection
From £16.45
1 × collection | 3 bulbs
2 + 1 FREE collections | 9 bulbs
Lilium Lotus Elegance

New

Lilium 'Lotus Elegance'
From £5.99
1 × bulb
2 + 1 FREE bulbs
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Allium sphaerocephalon

Save 10% with AUTUMN10

Allium sphaerocephalon
From £3.99
25 × bulbs
50 + 25 FREE bulbs
1000 × bulbs
0.75 star 1 star 1 star 1 star 1 star 4.6 5 35 (35)
Hosta collection
Hosta collection
From £19.95
1 × collection | 3 bare roots
2 + 1 FREE collections | 9 bare roots
Oriental lily collection

New

Oriental lily collection
From £17.95
1 × collection | 3 bulbs
2 + 1 FREE collections | 9 bulbs
Trumpet lily collection

New

Trumpet lily collection
From £17.95
1 × collection | 3 bulbs
2 + 1 FREE collections | 9 bulbs
Lilium Anastasia
Lilium 'Anastasia'
From £5.49
1 × bulb
3 × bulbs
0.75 star 1 star 1 star 1 star 1 star 4.8 5 4 (4)
Lilium Casa Blanca
Lilium 'Casa Blanca'
From £5.99
1 × bulb
2 + 1 FREE bulbs
1 star 1 star 1 star 1 star 1 star (4)
Lilium Manitoba Morning

New

Lilium 'Manitoba Morning'
From £6.99
1 × bulb
3 × bulbs
Lilium Miss Peculiar
Lilium 'Miss Peculiar'
From £4.99
1 × bulb
3 × bulbs
Hosta Francee (fortunei)
Hosta 'Francee' (fortunei)
From £6.99
1 × bare root plant
9cm pot
2 + 1 FREE bare root plants
2 litre pot
+ 3 more available
0.75 star 1 star 1 star 1 star 1 star (7)
Hosta fortunei var. albopicta
Hosta fortunei var. albopicta
From £6.99
1 × bare root plant
9cm pot
2 + 1 FREE bare root plants
3 × 9cm pots
0 star 1 star 1 star 1 star 1 star (3)
Hosta sieboldiana var. elegans

50% off

Hosta sieboldiana var. elegans
From £5.00
9cm pot
1 × bare root plant
3 × 9cm pots
3 × bare root plants
+ 3 more available
0.75 star 1 star 1 star 1 star 1 star (4)
Lilium Lotus Wonder

New

Lilium 'Lotus Wonder'
From £5.99
1 × bulb
3 × bulbs
Crocosmia × crocosmiiflora Carmin Brillant
Crocosmia × crocosmiiflora 'Carmin Brillant'
From £5.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.25 star 1 star 1 star 1 star 1 star (7)
Crocosmia × crocosmiiflora Emily Mckenzie
Crocosmia × crocosmiiflora 'Emily Mckenzie'
From £6.99
9cm pot
3 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star (11)
Crocosmia × crocosmiiflora George Davison
Crocosmia × crocosmiiflora 'George Davison'
From £5.99
9cm pot
2 litre pot
3 × 9cm pots
2 + 1 FREE 2 litre pots
+ 1 more available
0 star 1 star 1 star 1 star 1 star (15)
Dahlia Mexican Star
Dahlia 'Mexican Star'
From £5.99
3 litre pot
1 star 1 star 1 star 1 star 1 star (1)
Dahlia Verrones Obsidian
Dahlia 'Verrone's Obsidian'
From £5.39
3 litre pot
2 + 1 FREE 3 litre pots
0.75 star 1 star 1 star 1 star 1 star (4)
Hesperantha coccinea f. alba
Hesperantha coccinea f. alba
From £6.99
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star (1)
Dahlia merckii

New

25% off

Dahlia merckii
From £4.49
approx 10 seeds
1 star 1 star 1 star 1 star 1 star (2)
Pennisetum alopecuroides Hameln
Pennisetum alopecuroides 'Hameln'
From £9.99
9cm pot
2 litre pot
3 × 9cm pots
6 × 9cm pots
+ 1 more available
0 star 1 star 1 star 1 star 1 star (1)
Foeniculum vulgare

25% off

fennel - Foeniculum vulgare
From £2.24
approx 200 seeds
9cm pot
2 + 1 FREE 9cm pots
1 star 1 star 1 star 1 star 1 star (1)
Alocasia Tiny Dancers
Alocasia 'Tiny Dancers'
£16.99
12cm pot | 30cm tall
Hosta Siberian Tiger ('Amime Tachi')

New

Save 10% with AUTUMN10

Hosta 'Siberian Tiger ('Amime Tachi')'
From £14.99
bare root
3 × bare roots
Dahlia Tartan
Dahlia 'Tartan'
From £14.99
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star (2)
Hosta Monster Ears

New

Hosta 'Monster Ears'
From £12.99
available to order from autumn
Antique peach dahlia collection
Antique peach dahlia collection
From £30.45
available to order from winter
Berry dahlia collection

Best Seller

Berry dahlia collection
From £29.75
available to order from winter
Bruised dahlia collection
Bruised dahlia collection
From £16.99
available to order from winter
Burnt sugar dahlia collection
Burnt sugar dahlia collection
From £18.95
available to order from winter
Chocolate orange dahlia collection
Chocolate orange dahlia collection
From £17.75
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
Peach dahlia collection
Peach dahlia collection
From £17.75
available to order from winter
Pink champagne dahlia collection

Best Seller

Pink champagne dahlia collection
From £27.45
available to order from winter
Bees and butterflies dahlia collection

Best Seller

Bees & butterflies dahlia collection
From £23.95
available to order from winter
Chocolate orange pollinator dahlia collection
Chocolate orange pollinator dahlia collection
From £17.99
available to order from winter
1 star 1 star 1 star 1 star 1 star (1)
Purple dahlia collection
Purple dahlia collection
£17.75
available to order from winter
The Laundry Garden jewel dahlia collection
The Laundry Garden jewel dahlia collection
From £17.75
available to order from winter
1 star 1 star 1 star 1 star 1 star (1)
Ashley's balcony 5 varieties dahlia collection
Ashley's balcony 5 varieties dahlia collection
From £29.95
available to order from winter
Ashley's balcony dahlia collection
Ashley's balcony dahlia collection
From £17.95
available to order from winter
Ashley's flight of the butterflies dahlia collection
Ashley's flight of the butterflies dahlia collection
From £29.25
available to order from winter
Award-winning border favourite dahlia collection
Award-winning border favourite dahlia collection
From £15.99
available to order from winter
Award-winning dahlia collection for pots
Award-winning dahlia collection for pots
From £17.75
available to order from winter
Jewel garden dahlia collection
Jewel garden dahlia collection
From £23.75
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 3 varieties dahlia collection
Lucy's 'Go your own way' 3 varieties dahlia collection
From £17.95
available to order from winter
Lucy's border dahlia collection
Lucy's border dahlia collection
From £29.95
available to order from winter
Lucy's get off my cloud dahlia collection
Lucy's get off my cloud dahlia collection
From £23.75
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
Velvet dahlia collection
Velvet dahlia collection
From £23.75
available to order from winter
Dahlia Floorinoor

New

Dahlia 'Floorinoor'
From £5.99
available to order from winter
A tale of summer blooms dahlia collection
A tale of summer blooms dahlia collection
From £18.95
available to order from winter
Botanical Tales dahlia collection
Botanical Tales dahlia collection
From £17.75
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
Pastel antique dahlia collection
Pastel antique dahlia collection
From £15.99
available to order from winter
Plums and peaches dahlia collection
Plum & peaches dahlia collection
From £12.90
available to order from winter
Proud Mary dahlia collection
Proud Mary dahlia collection
From £23.25
available to order from winter
Velvet 5 varieties dahlia collection
Velvet 5 varieties dahlia collection
From £29.75
available to order from winter
Agapanthus collection
Agapanthus collection
From £12.95
available to order from winter
Award-winning crocosmia collection
Award-winning crocosmia collection
From £18.95
available to order from winter
Begonia collection for hanging baskets & pots
Begonia collection for hanging baskets and pots
From £11.95
available to order from winter
Classic Canna collection
Classic canna collection
From £28.95
available to order from winter
Crocosmia collection
Crocosmia collection
From £17.95
available to order from winter
Favourite gladioli collection
Favourite gladioli collection
From £19.95
available to order from winter
Scented begonia collection
Fragrant begonia collection
From £14.95
available to order from winter
Gladiolus for cutting collection
Gladioli for cutting collection
From £19.95
available to order from winter
Hedychium collection
Hedychium collection
From £26.95
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
Vibrant gladioli collection
Vibrant gladioli collection
From £19.95
available to order from winter
Zantedeschia collection
Zantedeschia collection
From £20.95
available to order from winter
Agapanthus Dokter Brouwer
Agapanthus 'Dokter Brouwer'
From £5.99
available to order from winter
Agapanthus Polar Ice
Agapanthus 'Polar Ice'
From £6.99
available to order from winter
Begonia Mother's Day
Begonia 'Mother's Day'
From £4.99
available to order from winter
0.75 star 1 star 1 star 1 star 1 star (3)
Begonia Pink Flamingo
Begonia 'Pink Flamingo'
From £4.99
available to order from winter
0.5 star 1 star 1 star 1 star 1 star (5)
Begonia Red Glory
Begonia 'Red Glory'
From £4.99
available to order from winter
0 star 0 star 0 star 0 star 1 star (1)
Begonia Rosebud Tutu
Begonia 'Rosebud Tutu'
From £6.99
available to order from winter
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