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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.

By type
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Evergreen / deciduous
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Indoor plants by room
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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
387 items
Streptocarpus Betty
Streptocarpus 'Betty'
From £18.99
1 × rooted cutting
2 + 1 FREE rooted cuttings
Streptocarpus Polka-Dot Pink

New

Streptocarpus 'Polka-Dot Pink'
£18.99
1 × rooted cutting
Petunia Double Pirouette Series
Petunia 'Double Pirouette Series'
£36.99 £18.50
sold out
0.75 star 1 star 1 star 1 star 1 star 4.8 5 6 (6)
Hydrangea macrophylla Madame Emile Mouillère

20% off

Hydrangea macrophylla 'Madame Emile Mouillère'
£22.75 £18.20
2 litre pot
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Roscoea Harvington Raw Silk

20% off

Roscoea 'Harvington Raw Silk'
From £17.59
2 litre pot
3 × 2 litre pots
Hydrangea Preziosa
Hydrangea 'Preziosa'
From £17.49
sold out
Streptocarpus Angie

New

Streptocarpus 'Angie'
£16.99
1 × rooted cutting
Streptocarpus Gloria

New

Streptocarpus 'Gloria'
£16.99
1 × rooted cutting
Streptocarpus Faith

New

Streptocarpus 'Faith'
£16.99
1 × rooted cutting
Streptocarpus Carys

New

Streptocarpus 'Carys'
£16.99
1 × rooted cutting
Kirengeshoma palmata

20% off

Kirengeshoma palmata
From £16.79
2 litre pot
3 × 2 litre pots
0 star 1 star 1 star 1 star 1 star 4.0 5 1 (1)
Hydrangea macrophylla Mariesii Perfecta

20% off

Hydrangea macrophylla 'Mariesii Perfecta'
£19.99 £15.99
2 litre pot
1 star 1 star 1 star 1 star 1 star 5.0 5 3 (3)
Rosa Black Baccara ('Meidebenne') (PBR)
Rosa Black Baccara ('Meidebenne') (PBR)
£19.99 £15.99
available to order from autumn
Hydrangea macrophylla Glam Rock ('Horwack') (PBR)

20% off

Hydrangea macrophylla Glam Rock ('Horwack') (PBR)
From £15.99
2 litre pot
3 × 2 litre pots
0.5 star 1 star 1 star 1 star 1 star 4.5 5 6 (6)
Hydrangea macrophylla Kardinal Violet

20% off

Hydrangea macrophylla 'Kardinal Violet'
£19.99 £15.99
2 litre pot
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Hydrangea macrophylla Lanarth White

20% off

Hydrangea macrophylla 'Lanarth White'
From £15.99
2 litre pot
3 × 2 litre pots
0 star 0.5 star 1 star 1 star 1 star 3.6 5 7 (7)
Hydrangea macrophylla Little Purple

20% off

Hydrangea macrophylla 'Little Purple'
£19.99 £15.99
2 litre pot
1 star 1 star 1 star 1 star 1 star 5.0 5 3 (3)
Dierama pulcherrimum var. album
Dierama pulcherrimum var. album
From £15.99
available to order from summer
Hydrangea macrophylla White

20% off

Hydrangea macrophylla 'White'
£19.99 £15.99
2 litre pot
Tricyrtis hirta Akachan Daisy

20% off

Tricyrtis hirta 'Akachan Daisy'
From £15.99
2 litre pot
3 × 2 litre pots
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Anemone × hybrida September Charm

20% off

Anemone × hybrida 'September Charm'
From £9.59
9cm pot
2 litre pot
3 × 9cm pots
3 × 2 litre pots
0.25 star 1 star 1 star 1 star 1 star (19)
Lysimachia ciliata Firecracker

20% off

Lysimachia ciliata 'Firecracker'
From £15.19
2 litre pot
3 × 2 litre pots
0 star 0.25 star 1 star 1 star 1 star (3)
Dierama pulcherrimum

20% off

Dierama pulcherrimum
From £15.19
1 litre pot
3 × 1 litre pots
0 star 0.5 star 1 star 1 star 1 star (4)
Dierama Blackberry Bells

20% off

Dierama 'Blackberry Bells'
From £15.19
1 litre pot
3 × 1 litre pots
1 star 1 star 1 star 1 star 1 star (1)
Dierama Pink Rocket

20% off

Dierama 'Pink Rocket'
From £15.19
1 litre pot
3 × 1 litre pots
1 star 1 star 1 star 1 star 1 star (1)
Award-winning crocosmia collection
Award-winning crocosmia collection
From £15.16
available to order from winter
Stocks Fragrance Mixed (10 Week Mixed)
Stocks 'Fragrance Mixed'
£29.99 £15.00
available to order from winter
0.25 star 1 star 1 star 1 star 1 star (10)
Hydrangea paniculata Sundae Fraise ('Rensun') (PBR)

40% off

Hydrangea paniculata Sundae Fraise ('Rensun') (PBR)
£24.99 £14.99
2 litre pot
Crinodendron hookerianum

20% off

Crinodendron hookerianum
£17.99 £14.39
2 litre pot
0.75 star 1 star 1 star 1 star 1 star (5)
Phlox paniculata Franz Schubert
Phlox paniculata 'Franz Schubert'
From £14.39
available to order from summer
0 star 0 star 1 star 1 star 1 star (2)
Hydrangea macrophylla Little Pink

20% off

Hydrangea macrophylla 'Little Pink'
£17.99 £14.39
2 litre pot
0.5 star 1 star 1 star 1 star 1 star (2)
Astrantia major Venice (PBR)
Astrantia major 'Venice' (PBR)
From £14.39
available to order from summer
John's pollinator dahlia collection

New

John's pollinator dahlia collection
From £14.20
available to order from winter
Tangerine twist 3 varieties dahlia collection

New

Tangerine twist 3 varieties dahlia collection
From £13.59
available to order from winter
Astrantia Superstar (PBR)

20% off

Astrantia 'Superstar' (PBR)
From £12.79
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star (2)
Anemone Wild Swan ('Macane001') (PBR)

20% off

Anemone Wild Swan ('Macane001') (PBR)
From £12.79
9cm pot
3 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star (27)
Award-winning border favourite dahlia collection
Award-winning border favourite dahlia collection
From £12.79
available to order from winter
Astrantia major Star of Beauty (PBR)
Astrantia major 'Star of Beauty' (PBR)
From £12.79
available to order from summer
Kniphofia Nancy's Red

20% off

Kniphofia 'Nancy's Red'
From £11.99
9cm pot
3 × 9cm pots
Succisa pratensis

20% off

Succisa pratensis
From £11.99
9cm pot
3 × 9cm pots
Kniphofia Royal Standard

20% off

Kniphofia 'Royal Standard'
From £11.99
9cm pot
2 litre pot
3 × 9cm pots
3 × 2 litre pots
0.5 star 1 star 1 star 1 star 1 star (2)
Dahlia Purple Haze
Dahlia 'Purple Haze'
From £11.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (2)
Dahlia Alauna Clair-obscur
Dahlia 'Alauna Clair-obscur'
From £11.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (10)
Kniphofia Ember Glow ('Tneg') (PBR) (Glow Series)

20% off

Kniphofia Ember Glow ('Tneg') (PBR) (Glow Series)
From £11.99
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star (2)
Dahlia Tamburo

20% off

Dahlia 'Tamburo'
From £11.99
3 litre pot
2 + 1 FREE 3 litre pots
Dahlia Islander

20% off

Dahlia 'Islander'
From £11.99
3 litre pot
2 + 1 FREE 3 litre pots
1 star 1 star 1 star 1 star 1 star (1)
Kniphofia Redhot Popsicle (Popsicle series)

20% off

Kniphofia 'Redhot Popsicle' (Popsicle series)
From £11.99
9cm pot
3 × 9cm pots
Thalictrum delavayi Hewitt's Double

20% off

Thalictrum delavayi 'Hewitt's Double'
From £11.99
9cm pot
3 × 9cm pots
0 star 1 star 1 star 1 star 1 star (3)
Dahlia Cornel

20% off

Dahlia 'Cornel'
From £11.99
3 litre pot
2 + 1 FREE 3 litre pots
Dahlia Tartan
Dahlia 'Tartan'
From £11.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (2)
Alcalthaea suffrutescens Parkrondell
× Alcalthaea suffrutescens 'Parkrondell'
From £11.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
Kniphofia Poco Sunset (Poco Series)

20% off

Kniphofia 'Poco Sunset' (Poco Series)
From £11.99
9cm pot
3 × 9cm pots
0 star 0 star 0 star 0 star 1 star (1)
Astrantia major Gill Richardson Group

New

Astrantia major 'Gill Richardson Group'
From £11.99
available to order from summer
Rodgersia Bronze Peacock

20% off

Rodgersia 'Bronze Peacock'
From £11.19
9cm pot
3 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star (4)
Ligusticopsis wallichiana

New

20% off

Ligusticopsis wallichiana
From £3.19
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star (9)
Juncus effusus

20% off

Juncus effusus
From £10.39
9cm pot
1 litre aquatic pot
3 × 9cm pots
3 litre aquatic pot
+ 1 more available
Anemone hupehensis Hadspen Abundance

20% off

Anemone hupehensis 'Hadspen Abundance'
From £10.39
9cm pot
2 litre pot
3 × 9cm pots
3 × 2 litre pots
1 star 1 star 1 star 1 star 1 star (6)
Dierama Blue Belle ('Rowblu') (PBR)

20% off

Dierama Blue Belle ('Rowblu') (PBR)
From £10.39
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star (1)
× Heucherella Sweet Tea (PBR)

20% off

× Heucherella 'Sweet Tea' (PBR)
From £10.39
9cm pot
3 × 9cm pots
0.25 star 1 star 1 star 1 star 1 star (12)
Kniphofia Pineapple Popsicle (Popsicle Series)

20% off

Kniphofia 'Pineapple Popsicle' (Popsicle Series)
From £10.39
9cm pot
3 × 9cm pots
Kniphofia Tawny King

20% off

Kniphofia 'Tawny King'
From £10.39
9cm pot
3 × 9cm pots
0.25 star 1 star 1 star 1 star 1 star (7)
Kniphofia Bees Lemon

20% off

Kniphofia 'Bees Lemon'
From £10.39
9cm pot
2 litre pot
3 × 9cm pots
3 × 2 litre pots
0.25 star 1 star 1 star 1 star 1 star (8)
Tricyrtis formosana Dark Beauty

20% off

Tricyrtis formosana 'Dark Beauty'
From £10.39
9cm pot
3 × 9cm pots
Miscanthus sinensis Gold Bar (PBR)

20% off

Miscanthus sinensis 'Gold Bar' (PBR)
From £10.39
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star (1)
Alcalthaea suffrutescens Parkallee
× Alcalthaea suffrutescens 'Parkallee'
From £10.39
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
Hakonechloa macra Beni-kaze

20% off

Hakonechloa macra 'Beni-kaze'
From £10.39
9cm pot
3 × 9cm pots
Digitalis × fulva Arctic Fox Rose ('Balroxose') (PBR)

20% off

Digitalis × fulva Arctic Fox Rose ('Balroxose') (PBR)
From £10.39
9cm pot
3 × 9cm pots
Alcalthaea suffrutescens Parkfrieden

New

× Alcalthaea suffrutescens 'Parkfrieden'
From £10.39
available to order from summer
Phlox Cloudburst

New

Phlox 'Cloudburst'
From £10.39
available to order from summer
Osteospermum Dalina Lavender Blue

New

20% off

Osteospermum 'Dalina Lavender Blue'
£12.99 £10.39
9cm pot
Lobelia cardinalis

20% off

Lobelia cardinalis
£11.99 £9.59
9cm pot
1 star 1 star 1 star 1 star 1 star (2)
Thalictrum rochebruneanum

20% off

Thalictrum rochebruneanum
From £9.59
9cm pot
3 × 9cm pots
Salvia Ember's Wish ('SAL 0101') (PBR)

20% off

Salvia Ember's Wish ('SAL 0101') (PBR)
From £9.59
9cm pot
3 × 9cm pots
0 star 1 star 1 star 1 star 1 star (2)
Crocosmia Orange Pekoe ('Pek Or') (PBR)

20% off

Crocosmia Orange Pekoe ('Pek Or') (PBR)
From £9.59
9cm pot
3 × 9cm pots
0.25 star 1 star 1 star 1 star 1 star (5)
Miscanthus sinensis var. condensatus Cosmopolitan

20% off

Miscanthus sinensis var. condensatus 'Cosmopolitan'
From £9.59
9cm pot
3 × 9cm pots
Phlox Opening Act Ultrapink (Opening Act Series)

New

20% off

Phlox 'Opening Act Ultrapink' (Opening Act Series)
From £9.59
9cm pot
3 × 9cm pots
Begonia collection for hanging baskets & pots
Begonia collection for hanging baskets and pots
From £9.56
available to order from winter
Sweet pea collection highly scented
Award-winning sweet pea collection highly scented
£11.17 £8.94
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
Lysimachia nummularia Aurea

20% off

Lysimachia nummularia 'Aurea'
From £8.79
9cm pot
1 litre aquatic pot
3 × 1 litre aquatic pots
1 star 1 star 1 star 1 star 1 star (2)
Anemone hupehensis var. japonica Prinz Heinrich

20% off

Anemone hupehensis var. japonica 'Prinz Heinrich'
From £8.79
9cm pot
2 litre pot
3 × 9cm pots
3 × 2 litre pots
1 star 1 star 1 star 1 star 1 star (2)
Lobelia × speciosa Hadspen Purple (PBR)

20% off

Lobelia × speciosa 'Hadspen Purple' (PBR)
From £8.79
9cm pot
3 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star (5)
Eutrochium maculatum (Atropurpureum Group) Riesenschirm

20% off

Eupatorium maculatum (Atropurpureum Group) 'Riesenschirm'
From £8.79
9cm pot
3 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star (9)
Tulbaghia Purple Eye

20% off

Tulbaghia 'Purple Eye'
From £8.79
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star (1)
Anemone × hybrida Whirlwind

20% off

Anemone × hybrida 'Whirlwind'
From £8.79
9cm pot
3 × 9cm pots
Crocosmia Lucifer

20% off

Crocosmia 'Lucifer'
From £4.79
9cm pot
2 litre pot
3 × 9cm pots
2 + 1 FREE 2 litre pots
0.5 star 1 star 1 star 1 star 1 star (37)
Lobelia cardinalis Queen Victoria

20% off

Lobelia cardinalis 'Queen Victoria'
From £7.99
9cm pot
2 litre pot
3 × 9cm pots
3 × 2 litre pots
0.5 star 1 star 1 star 1 star 1 star (11)
Salvia × sylvestris Viola Klose

20% off

Salvia × sylvestris 'Viola Klose'
From £7.99
9cm pot
2 litre pot
3 × 9cm pots
3 × 2 litre pots
0.25 star 1 star 1 star 1 star 1 star (15)
Salvia nemorosa Schwellenburg

20% off

Salvia nemorosa 'Schwellenburg'
From £7.99
9cm pot
2 litre pot
3 × 9cm pots
3 × 2 litre pots
0 star 0.75 star 1 star 1 star 1 star (3)
Helianthus Lemon Queen
Helianthus 'Lemon Queen'
From £7.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (18)
Lysimachia atropurpurea Beaujolais

20% off

Lysimachia atropurpurea 'Beaujolais'
From £7.99
9cm pot
3 × 9cm pots
0.25 star 1 star 1 star 1 star 1 star (15)
Thalictrum delavayi

20% off

Thalictrum delavayi
From £7.99
9cm pot
3 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star (16)
Phlox paniculata Blue Paradise

20% off

Phlox paniculata 'Blue Paradise'
From £7.99
9cm pot
3 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star (12)
Tricyrtis hirta

20% off

Tricyrtis hirta
From £7.99
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star (4)
Eutrochium maculatum (Atropurpureum Group) Purple Bush

20% off

Eutrochium maculatum (Atropurpureum Group) 'Purple Bush'
From £7.99
9cm pot
3 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star (8)
Salvia × sylvestris Rose Queen

20% off

Salvia × sylvestris 'Rose Queen'
From £7.99
9cm pot
3 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star (5)
Salvia Kisses and Wishes (PBR)
Salvia 'Kisses and Wishes' (PBR)
£9.99 £7.99
available to order from summer
Salvia Love and Wishes ('Serendip6') (PBR)

20% off

Salvia Love and Wishes ('Serendip6') (PBR)
From £7.99
9cm pot
3 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star (6)
Salvia Wendy's Wish (PBR)
Salvia 'Wendy's Wish' (PBR)
From £7.99
available to order from summer
0.75 star 1 star 1 star 1 star 1 star (12)
Salvia nemorosa Crystal Blue (Color Spires Series)

20% off

Salvia nemorosa Crystal Blue (Color Spires Series)
From £7.99
9cm pot
3 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star (2)
Kniphofia uvaria

20% off

Kniphofia uvaria
From £7.99
9cm pot
2 litre pot
3 × 9cm pots
3 × 2 litre pots
1 star 1 star 1 star 1 star 1 star (4)
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