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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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Used at RHS Chelsea Flower Show
Kitchen garden planting guidelines
Sort by highest price
All items
Showing Flowering month : August clear all
2254 items
Dahlia Tartan
Dahlia 'Tartan'
From £14.99
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Alcalthaea suffrutescens Parkrondell
× Alcalthaea suffrutescens 'Parkrondell'
From £14.99
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Kniphofia Poco Sunset (Poco Series)
Kniphofia 'Poco Sunset' (Poco Series)
From £14.99
9cm pot
3 × 9cm pots
0 star 0 star 0 star 0 star 1 star 1.0 5 1 (1)
Astrantia major Gill Richardson Group

New

Astrantia major 'Gill Richardson Group'
From £14.99
available to order from spring 2027
Verbascum Chantilly
Verbascum 'Chantilly'
From £14.99
available to order from summer
Thunbergia alata Orange Beauty
Thunbergia alata 'Orange Beauty'
£14.99
sold out
Butomus umbellatus
Butomus umbellatus
From £14.99
1 litre aquatic pot
3 × 9cm pots
3 litre aquatic pot
3 × 1 litre aquatic pots
Tradescantia (Andersoniana Group) JS Brainstorm (PBR)
Tradescantia (Andersoniana Group) 'JS Brainstorm' (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 Strawberry Bon Bon (Sweet Candy Series)
Dahlia 'Strawberry Bon Bon' (Sweet Candy Series)
From £14.99
available to order from spring 2027
Eryngium Magical White Lagoon ('Kolmwhila') (PBR) (Magical Series)
Eryngium Magical White Lagoon ('Kolmwhila') (PBR) (Magical Series)
From £14.99
9cm pot
3 × 9cm pots
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)
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)
Sanguisorba Plum Drops
Sanguisorba 'Plum Drops'
From £14.99
9cm pot
3 × 9cm pots
Anemone Ruffled Swan ('Macane007') (PBR)
Anemone Ruffled Swan ('Macane007') (PBR)
From £14.99
available to order from summer
Delphinium Paramo Black Velvet ('Barthirty') (PBR) (Paramo Series)

New

Delphinium Paramo Black Velvet ('Barthirty') (PBR) (Paramo Series)
From £14.99
9cm pot
3 × 9cm pots
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 5.0 5 1 (1)
Allium Bubble Bath
Allium 'Bubble Bath'
From £14.99
9cm pot
3 × 9cm pots
Thunbergia alata SunEyes Rose Sensation
Thunbergia alata 'SunEyes Rose Sensation'
£14.99
sold out
1 star 1 star 1 star 1 star 1 star 5.0 5 3 (3)
Portulacaria afra
Portulacaria afra
£14.99
12cm pot | 30cm tall
Echinacea Fried Egg

New

Echinacea 'Fried Egg'
From £14.99
available to order from spring 2027
Hosta Time in a Bottle (PBR)

New

Hosta 'Time in a Bottle' (PBR)
£14.99
available to order from spring 2027
Scented begonia collection
Fragrant begonia collection
From £14.95
available to order from winter
Anemone × hybrida Honorine Jobert

Best Seller

Anemone × hybrida 'Honorine Jobert'
From £13.99
9cm pot
2 litre pot
3 × 9cm pots
6 × 9cm pots
+ 1 more available
0.5 star 1 star 1 star 1 star 1 star (61)
Agapanthus Midnight Star
Agapanthus 'Midnight Star'
From £13.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star (5)
Rodgersia Bronze Peacock
Rodgersia 'Bronze Peacock'
From £13.99
9cm pot
3 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star (4)
Adenophora pereskiifolia White Blaze
Adenophora pereskiifolia 'White Blaze'
From £13.99
9cm pot
3 × 9cm pots
Thalictrum Splendide White ('Fr21034') (PBR)
Thalictrum Splendide White ('Fr21034') (PBR)
From £13.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star (17)
Ligusticopsis wallichiana

New

Ligusticopsis wallichiana
From £3.99
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star (9)
Helenium autumnale Short and Sassy (PBR)
Helenium autumnale 'Short and Sassy' (PBR)
From £13.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.25 star 1 star 1 star 1 star 1 star (4)
Eryngium × olivierianum Big Blue ('Myersblue') (PBR)
Eryngium × olivierianum Big Blue ('Myersblue') (PBR)
From £13.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.25 star 1 star 1 star 1 star 1 star (3)
Angelica sylvestris Vicar's Mead
Angelica sylvestris 'Vicar's Mead'
From £13.99
available to order from spring 2027
1 star 1 star 1 star 1 star 1 star (1)
Sanguisorba White Brushes
Sanguisorba 'White Brushes'
From £13.99
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star (1)
Buddleja Little Pink (’BotEx 005’) (PBR) (Butterfly Candy Series)
Buddleja Little Pink (’BotEx 005’) (PBR) (Butterfly Candy Series)
£26.99 £13.50
sold out
0 star 0 star 1 star 1 star 1 star (2)
Mandevilla Sundaville Cream Pink ('Sunparapibra') (PBR) (Sundaville Series)
Mandevilla Sundaville Cream Pink ('Sunparapibra')(PBR) (Sundaville Series)
From £13.49
available to order from winter
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
Mandevilla Sundaville Gold ('Sunpa 0931') (Sundaville Series)
Mandevilla Gold ('Sunpa 0931') (Sundaville Series)
From £13.49
10.5cm pot
2 + 1 FREE 10.5cm pots
Mandevilla Sundaville Red ('Sunmandecrim') (PBR) (Sundaville Series)
Mandevilla Sundaville Red ('Sunmandecrim') (PBR) (Sundaville Series)
From £13.49
10.5cm pot
2 + 1 FREE 10.5cm pots
Mandevilla Sundaville Topper Red Yellow Eye ('Sunpa 1935') (Sundaville Series)
Mandevilla Topper Red Yellow Eye ('Sunpa 1935') (Sundaville Series)
From £13.49
10.5cm pot
2 + 1 FREE 10.5cm pots
Mandevilla Sundaville White ('Sunparacoho') (Sundaville Series)
Mandevilla Sundaville White ('Sunparacoho') (Sundaville Series)
From £13.49
available to order from winter
Elegant cutting garden collection
Elegant cutting garden collection
£13.16
1 × collection
Juncus effusus
Juncus effusus
From £12.99
9cm pot
3 × 9cm pots
3 litre aquatic pot
Anemone hupehensis Hadspen Abundance
Anemone hupehensis 'Hadspen Abundance'
From £12.99
9cm pot
2 litre pot
3 × 9cm pots
6 × 9cm pots
+ 1 more available
1 star 1 star 1 star 1 star 1 star (6)
Echinops ritro Veitch's Blue

Best Seller

Echinops ritro 'Veitch's Blue'
From £12.99
9cm pot
2 litre pot
3 × 9cm pots
6 × 9cm pots
+ 1 more available
0.75 star 1 star 1 star 1 star 1 star (17)
Eryngium bourgatii
Eryngium bourgatii
From £12.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star (6)
Hosta Regal Splendor
Hosta 'Regal Splendor'
From £12.99
9cm pot
3 × 9cm pots
0 star 1 star 1 star 1 star 1 star (2)
Helenium Ruby Thuesday
Helenium 'Ruby Thuesday'
From £12.99
9cm pot
3 × 9cm pots
0 star 0.75 star 1 star 1 star 1 star (7)
Verbascum Clementine
Verbascum 'Clementine'
From £12.99
available to order from summer
0.75 star 1 star 1 star 1 star 1 star (4)
Angelica gigas
Angelica gigas
From £3.99
9cm pot
2 litre pot
3 × 9cm pots
6 × 9cm pots
+ 1 more available
0.5 star 1 star 1 star 1 star 1 star (34)
Dierama Blue Belle ('Rowblu') (PBR)
Dierama Blue Belle ('Rowblu') (PBR)
From £12.99
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star (1)
Eryngium giganteum
Eryngium giganteum
From £12.99
available to order from spring 2027
0.75 star 1 star 1 star 1 star 1 star (4)
Eryngium × zabelii Jos Eijking
Eryngium × zabelii 'Jos Eijking'
From £12.99
available to order from summer
0.25 star 1 star 1 star 1 star 1 star (4)
Geranium Patricia ('Brempat')
Geranium Patricia ('Brempat')
From £12.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star (20)
Geranium Mavis Simpson
Geranium 'Mavis Simpson'
From £12.99
available to order from summer
0 star 1 star 1 star 1 star 1 star (3)
Geranium Sabani Blue ('Bremigo') (PBR)
Geranium Sabani Blue ('Bremigo') (PBR)
From £12.99
9cm pot
3 × 9cm pots
0.25 star 1 star 1 star 1 star 1 star (8)
Hosta (Tardiana Group) June
Hosta (Tardiana Group) 'June'
From £12.99
9cm pot
3 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star (10)
Hakonechloa macra Aureola
Hakonechloa macra 'Aureola'
From £12.99
available to order from summer
0.5 star 1 star 1 star 1 star 1 star (9)
Euphorbia griffithii Fireglow
Euphorbia griffithii 'Fireglow'
From £12.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0 star 0 star 0 star 0 star 1 star (1)
Sanguisorba officinalis Pink Tanna
Sanguisorba officinalis 'Pink Tanna'
From £12.99
9cm pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star (2)
Sanguisorba officinalis Red Thunder
Sanguisorba officinalis 'Red Thunder'
From £12.99
9cm pot
3 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star (4)
Veronicastrum virginicum Lavendelturm
Veronicastrum virginicum 'Lavendelturm'
From £12.99
available to order from summer
Verbascum Cherry Helen
Verbascum 'Cherry Helen'
From £12.99
available to order from spring 2027
0.5 star 1 star 1 star 1 star 1 star (2)
Veronicastrum virginicum Fascination
Veronicastrum virginicum 'Fascination'
From £12.99
9cm pot
3 × 9cm pots
0 star 1 star 1 star 1 star 1 star (13)
Helenium Sahin's Early Flowerer
Helenium 'Sahin's Early Flowerer'
From £12.99
available to order from summer
0.75 star 1 star 1 star 1 star 1 star (12)
Aconitum napellus
Aconitum napellus
From £12.99
9cm pot
3 × 9cm pots
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