Apodasmia similis (Oioi / Jointed Wire Rush) is a hardy, clump-forming New Zealand native rush, valued for its textural, upright stems and coastal/wetland tolerance. It’s ideal for wetland restoration, coastal gardens, and naturalistic landscapes.
 
Description
Evergreen, clump-forming rush with slender, jointed, green stems
Leaves are reduced and inconspicuous, stems provide most of the visual structure
Produces small, inconspicuous flowers along the stems
Typically grows 1–1.5 metres high, forming dense clumps
Hardy, long-lived, and provides habitat for native wildlife
 
Growing Conditions
Thrives in full sun to partial shade
Prefers wet, poorly-drained soil; tolerates boggy and coastal conditions
Moderate watering; highly tolerant of waterlogging
Hardy to wind, frost, and salt spray
Low maintenance; occasional thinning of older clumps if needed
 
Uses in Landscaping
Ideal for wetland restoration, pond edges, and riparian plantings
Excellent for erosion control and stabilizing damp soils
Adds vertical texture and movement to gardens
Suitable for coastal gardens, parks, and ecological plantings
Works well in mass plantings for a naturalistic, layered effect