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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
Kitchen garden planting guidelines
Sort by highest price
All items
Showing Flowering month : August clear all
2254 items
Anemone Wild Swan ('Macane001') (PBR)
Anemone Wild Swan ('Macane001') (PBR)
From £15.99
available to order from summer
0.75 star 1 star 1 star 1 star 1 star 4.7 5 27 (27)
Astrantia major Penny's Pink
Astrantia major 'Penny's Pink'
From £15.99
9cm pot
3 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star 4.5 5 2 (2)
Salvia Madeline (PBR)
Salvia 'Madeline' (PBR)
From £15.99
available to order from spring 2027
0.5 star 1 star 1 star 1 star 1 star 4.5 5 2 (2)
Astrantia major Large White
Astrantia major 'Large White'
From £15.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star 4.8 5 8 (8)
Echinacea Flame Thrower (PBR)
Echinacea 'Flame Thrower' (PBR)
From £15.99
available to order from summer
0 star 0.25 star 1 star 1 star 1 star 3.1 5 7 (7)
Agapanthus Twister ('Ambic001') (PBR)
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 4.0 5 8 (8)
Anemone Frilly Knickers ('Fp007') (PBR)
Anemone Frilly Knickers ('Fp007') (PBR)
From £15.99
9cm pot
3 × 9cm pots
Award-winning border favourite dahlia collection
Award-winning border favourite dahlia collection
From £15.99
available to order from winter
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
Seedballs native wildflowers for shade -seedbombs
Seedballs native wildflowers for shade
From £15.99
100 seedballs in gift pouch
250 seedballs gardener's bulk box
500 seedballs gardener's bulk box
Seedballs native wildflowers for wildlife - seedbombs
Seedballs native wildflowers for wildlife
From £15.99
250 seedballs gardener's bulk box
500 seedballs gardener's bulk box
Seedballs native annual wildflowers seedbombs
Seedballs native annual wildflowers
From £15.99
100 seedballs in gift pouch
250 seedballs gardener's bulk box
500 seedballs gardener's bulk box
Burnt orange dahlia collection
Burnt orange dahlia collection
From £15.99
available to order from summer
Pastel antique dahlia collection
Pastel antique dahlia collection
From £15.99
available to order from summer
Seedballs edible flowers seedbombs
Seedballs edible flowers
£15.99
100 seedballs in gift pouch
Eryngium Magical Blue Lagoon ('Kolmblula') (PBR) (Magical Series)
Eryngium Magical Blue Lagoon ('Kolmblula') (PBR) (Magical Series)
From £15.99
9cm pot
3 × 9cm pots
Astrantia major Florence (PBR)
Astrantia major 'Florence' (PBR)
From £15.99
9cm pot
3 × 9cm pots
Astrantia major Star of Beauty (PBR)
Astrantia major 'Star of Beauty' (PBR)
From £15.99
9cm pot
3 × 9cm pots
Agapanthus Midnight Moon ('DWHYB20') (PBR)
Agapanthus Midnight Moon ('DWHYB20') (PBR)
From £15.99
9cm pot
3 × 9cm pots
Agapanthus Queen Mum ('Pmn06') (PBR)
Agapanthus Queen Mum ('Pmn06') (PBR)
From £15.75
9cm pot
3 × 9cm pots
0 star 0 star 0 star 1 star 1 star 2.0 5 1 (1)
Rosa Meteor ('Korzeigar')
Rosa Meteor ('Korzeigar') (PBR) | Floribunda Bush Rose
£25.99 £15.59
available to order from autumn
Ligustrum ovalifolium Aureum

30% off

Ligustrum ovalifolium 'Aureum'
From £15.39
2 litre pot
3 × 2 litre pots
Ruffling skies cutting garden collection
Ruffling skies cutting garden collection
£15.05
1 × collection
Agapanthus Headbourne hybrids
Agapanthus 'Headbourne hybrids'
From £14.99
available to order from spring 2027
0 star 0.5 star 1 star 1 star 1 star (4)
Plumbago auriculata Dark Blue
Plumbago auriculata 'Dark Blue'
£14.99
available to order from winter
Sporobolus heterolepis

New

Sporobolus heterolepis
From £14.99
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star (1)
Kniphofia Nancy's Red
Kniphofia 'Nancy's Red'
From £14.99
9cm pot
3 × 9cm pots
Cenolophium denudatum
Cenolophium denudatum
From £14.99
9cm pot
2 litre pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star (4)
Agapanthus Windsor Grey
Agapanthus 'Windsor Grey'
From £14.99
9cm pot
2 litre pot
3 × 9cm pots
3 × 2 litre pots
+ 1 more available
1 star 1 star 1 star 1 star 1 star (3)
Astrantia Buckland

Best Seller

Astrantia 'Buckland'
From £14.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star (7)
Astrantia major Rubra
Astrantia major 'Rubra'
From £14.99
9cm pot
3 × 9cm pots
0 star 1 star 1 star 1 star 1 star (1)
Echinacea Green Envy (PBR)
Echinacea 'Green Envy' (PBR)
From £14.99
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star (2)
Echinacea Sundown (PBR) (Big Sky Series)
Echinacea 'Sundown' (PBR) (Big Sky Series)
From £14.99
available to order from summer
0.25 star 1 star 1 star 1 star 1 star (4)
Succisa pratensis
Succisa pratensis
From £14.99
available to order from summer
Echinacea Tomato Soup (PBR)
Echinacea 'Tomato Soup' (PBR)
From £14.99
9cm pot
3 × 9cm pots
0 star 0.5 star 1 star 1 star 1 star (5)
Echinacea purpurea Pink Double Delight (PBR) (Cone-fections Series)
Echinacea purpurea 'Pink Double Delight' (PBR) (Cone-fections Series)
From £14.99
sold out
0 star 0 star 1 star 1 star 1 star (1)
Echinacea Harvest Moon (PBR) (Big Sky Series)
Echinacea 'Harvest Moon' (PBR) (Big Sky Series)
From £14.99
9cm pot
3 × 9cm pots
Kniphofia Royal Standard
Kniphofia 'Royal Standard'
From £14.99
2 litre pot
3 × 2 litre pots
0.5 star 1 star 1 star 1 star 1 star (2)
Pennisetum advena Rubrum
Pennisetum advena 'Rubrum'
From £14.99
9cm pot
3 × 9cm pots
0 star 1 star 1 star 1 star 1 star (4)
Astrantia major subsp. involucrata Shaggy
Astrantia major subsp. involucrata 'Shaggy'
From £14.99
2 litre pot
3 × 2 litre pots
0.75 star 1 star 1 star 1 star 1 star (10)
Echinacea Summer Cocktail (PBR)
Echinacea 'Summer Cocktail' (PBR)
From £14.99
available to order from summer
0.75 star 1 star 1 star 1 star 1 star (4)
Iris Berlin Tiger
Iris 'Berlin Tiger'
£14.99
available to order from spring 2027
Geranium wallichianum Havana Blues ('Noorthava') (PBR)
Geranium wallichianum Havana Blues ('Noorthava') (PBR)
From £14.99
9cm pot
3 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star (3)
Astrantia Moulin Rouge (PBR)
Astrantia 'Moulin Rouge' (PBR)
From £14.99
9cm pot
2 litre pot
3 × 9cm pots
3 × 2 litre pots
0.25 star 1 star 1 star 1 star 1 star (5)
Echinacea Butterfly Kisses (PBR) (Cone-fections Series)
Echinacea 'Butterfly Kisses' (PBR) (Cone-fections Series)
From £14.99
available to order from summer
0.5 star 1 star 1 star 1 star 1 star (6)
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 (3)
Verbascum Lavender Lass
Verbascum 'Lavender Lass'
From £14.99
9cm pot
3 × 9cm pots
Echinacea Hot Lava (PBR)
Echinacea 'Hot Lava' (PBR)
From £14.99
available to order from summer
0.5 star 1 star 1 star 1 star 1 star (4)
Kniphofia Ember Glow ('Tneg') (PBR) (Glow Series)
Kniphofia Ember Glow ('Tneg') (PBR) (Glow Series)
From £14.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (2)
Geum Scarlet Tempest ('Macgeu001') (PBR) (Tempest Series)
Geum Scarlet Tempest ('Macgeu001') (PBR) (Tempest Series)
From £14.99
9cm pot
3 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star (12)
Verbascum Dark Eyes (PBR)
Verbascum 'Dark Eyes' (PBR)
From £14.99
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star (1)
Echinacea Delicious Candy ('Noortdeli') (PBR)
Echinacea Delicious Candy ('Noortdeli') (PBR)
From £14.99
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star (2)
Astrantia Burgundy Manor
Astrantia 'Burgundy Manor'
From £14.99
9cm pot
3 × 9cm pots
Astrantia major Sparkling Stars Pink (Sparkling Stars Series)
Astrantia major 'Sparkling Stars Pink' (Sparkling Stars Series)
From £14.99
9cm pot
3 × 9cm pots
Bistorta amplexicaulis Blackfield (PBR)
Bistorta amplexicaulis 'Blackfield' (PBR)
From £14.99
9cm pot
2 litre pot
3 × 9cm pots
3 × 2 litre pots
Echinacea Pretty Parasols ('JS Engeltje') (PBR)
Echinacea Pretty Parasols ('JS Engeltje') (PBR)
From £14.99
available to order from spring 2027
Kniphofia Redhot Popsicle (Popsicle series)
Kniphofia 'Redhot Popsicle' (Popsicle series)
From £14.99
9cm pot
3 × 9cm pots
Hydrangea paniculata Sundae Fraise ('Rensun') (PBR)

40% off

Hydrangea paniculata Sundae Fraise ('Rensun') (PBR)
£24.99 £14.99
2 litre pot
Eryngium bourgatii Picos Blue (PBR)
Eryngium bourgatii 'Picos Blue' (PBR)
From £14.99
available to order from summer
Actaea Queen of Sheba (PBR)
Actaea 'Queen of Sheba' (PBR)
From £14.99
9cm pot
3 × 9cm pots
Sanguisorba hakusanensis Lilac Squirrel
Sanguisorba hakusanensis 'Lilac Squirrel'
From £14.99
9cm pot
2 litre pot
3 × 9cm pots
3 × 2 litre pots
1 star 1 star 1 star 1 star 1 star (3)
Allium Lavender Bubbles
Allium 'Lavender Bubbles'
From £14.99
available to order from summer
0 star 0 star 1 star 1 star 1 star (1)
Echinacea SunSeekers Red ('Apecssired') (SunSeekers Series)
Echinacea SunSeekers Red ('Apecssired') (SunSeekers Series)
From £14.99
9cm pot
3 × 9cm pots
Thalictrum delavayi Hewitt's Double
Thalictrum delavayi 'Hewitt's Double'
From £14.99
9cm pot
2 litre pot
3 × 9cm pots
3 × 2 litre pots
0 star 1 star 1 star 1 star 1 star (3)
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