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Penstemon 'Stapleford Gem'


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Key information

Plant type

Tender perennial

Flower colour



Flowers, Attractive to wildlife


Half hardy

Skill level


photo by Richard Bloom, copyright GAP Photos (20887)

Plant details

Penstemons flower over a long period, from mid-summer to the first frosts. 'Stapleford Gem' is a popular variety, thanks to its beautiful, large lilac-purple flowers which have pale lilac-pink upper lips and white lower lips and throats, marked with purple lines. These blooms help to attract beneficial insects to the garden. Plant in well-drained soil in sun or partial shade. It is worth taking a few cuttings in late summer to overwinter indoors as an insurance policy as plants are not fully hardy.

Family: Scrophulariaceae

Genus: Penstemon

Cultivar: Stapleford Gem

Plant type: Tender perennial

Flower colour: Lilac

Foliage colour: Mid-green

Feature: Flowers, Attractive to wildlife

Sun exposure: Full sun, Partial shade

Soil: Well-drained/light, Moist

Hardiness: Half hardy

Skill level: Experienced

Spread: 45cm

Time to take cuttings: July to August

Flowering period: July to October

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