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Home / Low Maintenance Outdoor Plants / Penstemon 'Sour Grapes' 9cm

Penstemon 'Sour Grapes' 9cm

£7.50 - £19.50£9.99 - £23.97

Take advantage of our perennial special offer! Add 6 selected perennials to your basket and receive the cheapest one for free. Exclusions apply. Limited time only. 

This eye catching penstemon produces rich purple tubular flowers with darker throats, adding depth and drama to borders. Its compact yet upright habit makes it suitable for smaller gardens as well as mixed borders. A bold colour choice that still flowers freely.

Quick Facts

• Sunlight: Full sun
• Soil: Well drained soil
• Flowering time: June to October
• Height and spread: Around 60cm tall and 40cm wide
• Hardiness: Hardy perennial
• Wildlife: Attracts bees and pollinators

This perennial is semi evergreen and may die back in colder winters. Fresh growth appears again in spring. Depending on the time of year you order, the plant may arrive looking different to our photos. Please plant as normal.

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Buy 5 Perennials, Choose the sixth FREE
Verbena bonariensis 9cm/1.5L/2L features vibrant purple perennial blooms on tall, slender stems, thriving outdoors with drought tolerance and adding long-lasting color to your garden against a backdrop of greenery and autumn hues.
Verbena bonariensis 9cm/1.5L/2L features vibrant purple perennial blooms on tall, slender stems, thriving outdoors with drought tolerance and adding long-lasting color to your garden against a backdrop of greenery and autumn hues.
Verbena bonariensis 9cm/1.5L/2L from £6.50 £8.99
Erigeron karvinskianus Profusion 9cm/2L produces dense clusters of small, daisy-like flowers with white petals, yellow centers, and a touch of pink, set against green foliage—ideal for adding charm to any cottage garden.
Erigeron karvinskianus Profusion 9cm/2L produces dense clusters of small, daisy-like flowers with white petals, yellow centers, and a touch of pink, set against green foliage—ideal for adding charm to any cottage garden.
Erigeron karvinskianus profusion 9cm/2L from £6.95 £9.99
Lavender angustifolia 'Hidcote' (9cm/2L) features vibrant purple blooms and green stems, flourishing in well-drained soil with a lush green backdrop.
Lavender angustifolia 'Hidcote' (9cm/2L) features vibrant purple blooms and green stems, flourishing in well-drained soil with a lush green backdrop.
Lavender angustifolia 'Hidcote' (9cm/2L) from £5.95 £7.99
A brown-haired, bearded person in a black athletic shirt smiles while holding a Rudbeckia fulgida Goldstrum 9cm-2L plant, standing by a wooden fence.
A brown-haired, bearded person in a black athletic shirt smiles while holding a Rudbeckia fulgida Goldstrum 9cm-2L plant, standing by a wooden fence.
Rudbeckia fulgida Goldstrum 9cm-2L from £6.95 £9.99
Echinacea purpurea 'Cheyenne Spirit' 9cm / 2L features vivid orange and pink blooms with spiky brown centers, adding color and attracting pollinators to the garden when planted among lush green leaves and other perennials.
Echinacea purpurea 'Cheyenne Spirit' 9cm / 2L features vivid orange and pink blooms with spiky brown centers, adding color and attracting pollinators to the garden when planted among lush green leaves and other perennials.
Echinacea purpurea 'Cheyenne Spirit' 9cm / 2L from £7.95 £10.99
Echinacea purpurea 'White Swan' 9cm / 2L
Echinacea purpurea 'White Swan' 9cm / 2L
Echinacea purpurea 'White Swan' 9cm / 2L from £6.95 £9.99
Echinacea purpurea 9cm / 2L
Echinacea purpurea 9cm / 2L
Echinacea purpurea 9cm / 2L from £6.95 £9.99
Geranium 'Rozanne' 9cm / 2L
Geranium 'Rozanne' 9cm / 2L
Geranium 'Rozanne' 9cm / 2L from £8.99 £9.99
Close-up of Leucanthemum 'Snow Lady' in a 9cm/1.5L Growers Pot, displaying its bright yellow center and white petals amid green stems and blurred blooms, captured outdoors in vivid natural light.
Close-up of Leucanthemum 'Snow Lady' in a 9cm/1.5L Growers Pot, displaying its bright yellow center and white petals amid green stems and blurred blooms, captured outdoors in vivid natural light.
Leucanthemum 'Snow Lady' 9cm/1.5L Growers Pot from £6.95 £8.99
Close-up of Lavender angustifolia 'Munstead' 9cm/1.5L, a hardy perennial showcasing clusters of fragrant purple flowers on tall green stems, set against a softly blurred background.
Close-up of Lavender angustifolia 'Munstead' 9cm/1.5L, a hardy perennial showcasing clusters of fragrant purple flowers on tall green stems, set against a softly blurred background.
Lavender angustifolia 'Munstead' 9cm/1.5L from £5.95 £7.99
Echinacea purpurea Prairie Blaze Orange Sunset in a 9cm pot displays vibrant orange blooms with brown centers, bringing lasting color and life to late-summer gardens as a hardy perennial among lush green foliage.
Echinacea purpurea Prairie Blaze Orange Sunset in a 9cm pot displays vibrant orange blooms with brown centers, bringing lasting color and life to late-summer gardens as a hardy perennial among lush green foliage.
Echinacea purpurea Prairie Blaze Orange Sunset 9cm Pot from £8.50 £12.99
Close-up of Scabious 'Pink Mist' (9cm/2L), a hardy perennial with delicate pink blooms and textured centers, ideal for cottage gardens. Some green foliage and softly blurred flowers appear in the background.
Close-up of Scabious 'Pink Mist' (9cm/2L), a hardy perennial with delicate pink blooms and textured centers, ideal for cottage gardens. Some green foliage and softly blurred flowers appear in the background.
Scabious 'Pink Mist' 9cm/2L from £6.95 £8.99
Erysimum 'Bowles Mauve' (Three Sizes Available)
Erysimum 'Bowles Mauve' (Three Sizes Available)
Erysimum 'Bowles Mauve' (Three Sizes Available) from £7.95 £11.99
Lobelia speciosa 'Fan Deep Rose' 9cm - 3L
Lobelia speciosa 'Fan Deep Rose' 9cm - 3L
Lobelia speciosa 'Fan Deep Rose' 9cm - 3L from £6.95
Close-up of blooming Nepeta Six Hills Giant 9cm/11cm/2L, with green stems and leaves. Several bees collect nectar among its lavender-hued flowers, showcasing this pollinator-friendly perennial in a vibrant outdoor setting.
Close-up of blooming Nepeta Six Hills Giant 9cm/11cm/2L, with green stems and leaves. Several bees collect nectar among its lavender-hued flowers, showcasing this pollinator-friendly perennial in a vibrant outdoor setting.
Nepeta Six Hills Giant 9cm/11cm/2L from £6.95 £9.99
Clusters of tall, purple Verbena bonariensis 9cm flowers with slender green stems stand out sharply against a softly blurred background of greenery and warm tones, creating an elegant perennial display.
Clusters of tall, purple Verbena bonariensis 9cm flowers with slender green stems stand out sharply against a softly blurred background of greenery and warm tones, creating an elegant perennial display.
Verbena bonariensis 9cm from £6.50 £9.99
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