loading
Close
Sort by
Show
By type
Facing
How much sun
Soil type
Special conditions
Curated Collections
RHS gifting
Flower colour
Evergreen / deciduous
Fragrance
Attractive to wildlife
Quick growing
Eventual size
Indoor plants by room
Bulb planting time
Bulb divisions
Depth of water
Bedding planting time
Chelsea plant of year
Sowing month inside or protected
Sowing month outside
Vegetable harvesting month
Vegetable groups
Multibuy packs
Planting combinations
Sale
Hardy
Leaf colour
Ground cover
Position
Shape
Soil moisture
Kitchen garden planting guidelines

Plants that Flower in August

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

Results found: 1955
Pollinator
Lavandula angustifolia Rosea
From £7.99
View options
Pollinator
Lavandula × intermedia Phenomenal ('Niko') (PBR)

30% off

From £6.99
View options
RHS award of garden merit
Cotinus coggygria Royal Purple

30% off

From £20.99
View options
Hydrangea paniculata Skyfall ('Frenne') (PBR)
From £26.75
View options
RHS award of garden merit
Lavandula angustifolia Imperial Gem

40% off

From £7.99
View options
Pollinator
Lavandula angustifolia Melissa Lilac ('Dow4') (PBR)

30% off

From £7.99
View options
Abelia × grandiflora
From £22.99
View options
Pollinator
Escallonia laevis Pink Elle ('Lades') (PBR)
From £24.75
View options
Santolina chamaecyparissus

30% off

From £5.59
View options
RHS award of garden merit
Vinca minor Atropurpurea
From £7.99
View options
RHS award of garden merit
Vinca minor Bowles's Variety

40% off

From £7.99
View options
RHS award of garden merit
Buddleja davidii Black Knight
From £19.99
View options
RHS award of garden merit
Buddleja davidii White Profusion
From £19.99
View options
RHS award of garden merit
Hydrangea paniculata Pinky-Winky ('Dvppinky') (PBR)
From £24.99
View options
RHS award of garden merit
Buddleja Pink Delight

20% off

From £19.99
View options
Become an RHS Member today and save 25% on your first year