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Lysimachia clethroides

Lysimachia

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Key information

Plant type

Hardy perennial

Flower colour

White

Feature

Flowers

Hardiness

Hardy

Skill level

Beginner

photo by Neil Holmes, copyright GAP Photos (18907)

Plant details

More elegant than most loosestrifes, which are usually rather rugged plants for wet soil, this plant looks exactly like a 90cm (3ft) tall buddleja bush. From mid- to late summer, the upright stems of narrow, paired leaves are topped by arching spikes of white flowers. It is good for a sunny border that stays moist in summer and can also be used around a pond. It associates well with other moisture-loving plants such as Inula and Lythrum. Like them, loosestrife can become rather invasive, and clumps need dividing every three years to keep them within bounds. The Royal Horticultural Society has given it its prestigious Award of Garden Merit (AGM).

Family: Primulaceae

Genus: Lysimachia

Species: clethroides

Plant type: Hardy perennial

Flower colour: White

Foliage colour: Mid-green

Feature: Flowers

Sun exposure: Full sun, Partial shade

Soil: Well-drained/light, Moist, Boggy

Hardiness: Hardy

Skill level: Beginner

Height: 90cm

Spread: 60cm

Time to plant seeds: March to May

Time to divide plants: September to May


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