Botanical name
Juncus effusus f. spiralis
Other names
Corkscrew rush, Scirpus lacustris 'Spiralis' , Juncus effusus 'Spiralis'
Genus
Species
J. effusus f. spiralis - J. effusus f. spiralis is an evergreen perennial grown for its curious clumps of spiralling, leafless, dark-green stems. Flowers, if produced, are brown and insignificant.
Foliage
Evergreen
Habit
Clump-forming
COLOUR
Flower
Brown, Insignificant or absent in Summer
HOW TO CARE
Watch out for
Pests
Generally pest-free
Diseases
Generally disease-free
General care
Pruning
Tidy by removing dead stems and any spent flowerheads in spring
Propagation methods
Division
WHERE TO GROW
Juncus effusus f. spiralis (Corkscrew rush) will reach a height of 0.45m and a spread of 0.6m after 2-5 years.
Suggested uses
Aquatic, Bog garden, Waterside
Cultivation
Plant in the shallow margins of pools or consistently moist, acidic soil in full sun or partial shade.
Soil type
Clay, Loamy
Soil drainage
Boggy damp conditions, Moisture-retentive, Pond/In water
Soil pH
Acid
Light
Partial Shade, Full Sun
Aspect
South, East, West
Exposure
Exposed, Sheltered