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RHS Plants Home Plants Perennials

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Perennials
Flowering month : August
Position : Back of border

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Perennials

Results found: 104

Penstemon Alice Hindley

Penstemon 'Alice Hindley'

From £8.99

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9cm pot	£8.99
3 × 9cm pots	£19.99
6 × 9cm pots	£33.99

Penstemon Elmley

Penstemon 'Elmley'

From £8.99

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9cm pot	£8.99
3 × 9cm pots	£19.99
6 × 9cm pots	£33.99

Penstemon Midnight

Penstemon 'Midnight'

From £8.99

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9cm pot	£8.99
3 × 9cm pots	£19.99
6 × 9cm pots	£33.99

Penstemon Pensham Bilberry Ice (Pensham Series)

Penstemon 'Pensham Bilberry Ice' (Pensham Series)

From £8.99

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9cm pot	£8.99
3 × 9cm pots	£19.99
6 × 9cm pots	£33.99

Penstemon Pensham Wedding Day (Pensham Series)

Penstemon 'Pensham Wedding Day (Pensham Series)

From £8.99

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9cm pot	£8.99
3 × 9cm pots	£19.99
6 × 9cm pots	£33.99

Penstemon Rich Ruby

Penstemon 'Rich Ruby'

From £8.99

View options

9cm pot	£8.99
3 × 9cm pots	£24.00
6 × 9cm pots	£33.99

Penstemon Stapleford Gem

Penstemon 'Stapleford Gem'

From £8.99

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9cm pot	£8.99
3 × 9cm pots	£24.00
6 × 9cm pots	£33.99

Penstemon Summertime Pink

Penstemon 'Summertime Pink'

From £8.99

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9cm pot	£8.99
3 × 9cm pots	£19.99
6 × 9cm pots	£33.99

Penstemon heterophyllus Heavenly Blue

Penstemon heterophyllus 'Heavenly Blue'

From £8.99

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9cm pot	£8.99
3 × 9cm pots	£19.99
6 × 9cm pots	£33.99

Romneya coulteri

Romneya coulteri

From £36.99

View options

2 litre pot	£36.99
3 × 2 litre pots	£82.99

Symphyotrichum novae-angliae Andenken an Alma Pötschke

Symphyotrichum novae-angliae 'Andenken an Alma Pötschke'

From £19.99

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2 litre pot	£19.99
3 × 2 litre pots	£49.99

Symphyotrichum novae-angliae Helen Picton

Symphyotrichum novae-angliae 'Helen Picton'

From £9.99

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9cm pot	£9.99
3 × 9cm pots	£27.99

Verbascum Clementine

Verbascum 'Clementine'

From £12.99

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9cm pot	£12.99
3 × 9cm pots	£28.99

Verbascum Honey Dijon

Verbascum 'Honey Dijon'

£12.99

Verbascum Primrose Path

Verbascum 'Primrose Path'

From £12.99

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9cm pot	£12.99
3 × 9cm pots	£28.99
6 × 9cm pots	£44.99

Verbascum Peach Champagne (PBR)

Verbascum Peach Champagne (PBR)

From £12.99

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9cm pot	£12.99
3 × 9cm pots	£29.99

Veronicastrum virginicum Fascination

Veronicastrum virginicum 'Fascination'

From £12.99

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9cm pot	£12.99
3 × 9cm pots	£29.99

Alcalthaea suffrutescens Parkallee

× Alcalthaea suffrutescens 'Parkallee'

From £12.99

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9cm pot	£12.99
3 × 9cm pots	£29.99

Alcalthaea suffrutescens Parkfrieden

× Alcalthaea suffrutescens 'Parkfrieden'

From £12.99

View options

9cm pot	£12.99
3 × 9cm pots	£32.99

Dahlia Eveline

15% off

Dahlia 'Eveline'

From £5.99

View options

3 litre pot	£12.74
2 + 1 FREE 3 litre pots	£25.48
1 × tuber	£5.99

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© RHS Enterprises Limited 2026
Registered in England & Wales No. 01211648. | VAT No. GB461532757 | Registered Office: 80 Vincent Square, London, SW1P 2PE.

All sales help fund the charitable work of the RHS.

© RHS Enterprises Limited 2026
Registered in England & Wales No. 01211648. | VAT No. GB461532757 | Registered Office: 80 Vincent Square, London, SW1P 2PE.

All sales help fund the charitable work of the RHS.