Juncus effusus f. spiralis
corkscrew rush
An evergreen perennial forming a clump of corkscrew-like, spirally curled, leafless stems, occasionally with small clusters of brown flowers in summer
Synonyms
Juncus effusus 'Spiralis' dwarfScirpus lacustris 'Spiralis'
see moreJuncus effusus 'Spiralis'
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Poorly–drainedpH
AcidColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Brown | Green | ||
| Autumn | Green | |||
| Winter | Green |
Position
- Full sun
- Partial shade
Aspect
South–facing or East–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical details
- Family
- Juncaceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Tufted
- Genus
Juncus can be annuals, deciduous or evergreen perennials, forming clumps of narrow, often cylindrical leaves, with clusters of small brown flowers borne on leaf-like stems in summer
- Name status
Correct
How to grow
Cultivation
Grow in permanently moist, acid soil in sun or partial shade. May also be grown in very shallow water at pool margins. See pond plants and bog gardens for further advice
Propagation
Propagate by division from mid-spring to early summer
Suggested planting locations and garden types
- Cottage and informal garden
- Patio and container plants
- City and courtyard gardens
- Low Maintenance
- Flower borders and beds
Pruning
Remove dead foliage and old flowered stems in spring
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.