Juncus effusus f. spiralis

Corkscrew rush

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Key information

Plant type

Hardy perennial

Flower colour



Attractive seed-heads, Flowers, Dramatic foliage



Skill level


photo by Visions, copyright GAP Photos (246881)

Plant details

This intriguing rush, with its twisting and contorted stems, always attracts attention, and is one of the few corkscrew grasses worth growing in the garden. Like its parent, the attractive densely clump-forming soft rush, it is useful as well as ornamental, because the creeping roots bind and secure the banks of ponds and streams, conferring stability where water levels are likely to change. The corkscrew form makes a perfect water garden feature when several plants are grown in a group, the flowers and seed-heads adding extra interest to the bizarre foliage.

Family: Juncaceae

Genus: Juncus

Species: effusus

Cultivar: f. spiralis

Plant type: Hardy perennial

Flower colour: Brown

Foliage colour: Dark green

Feature: Attractive seed-heads, Flowers, Dramatic foliage

Sun exposure: Full sun, Partial shade

Soil: Chalky/alkaline, Moist, Boggy

Hardiness: Hardy

Skill level: Experienced

Height: 50cm

Spread: 45cm

Time to divide plants: April to June

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