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Juncus edgariae (Wiwi)

Edgar's Rush, Wiwi, Common Rush

Juncus edgariae, commonly known as Wiwi, is the most prevalent species of Rush in New Zealand and grows as a tight clump with bright green, stem-like leaves. It typically grows to 75 cm tall and the same wide, but will spread to colonise a larger area with time. Juncus edgariae is commonly used in riparian and wetland plantings, and is also included in modern gardens, where it is utilised in borders and mixed plantings.

Juncus edgariae (Wiwi) plants growing in a wetland.
Juncus edgariae (Wiwi) plant with blue-green foliage growing in a wetland.
$14.34
$15.54

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Suited to regions:All regions
Plant type:Grasses
Height:75 cm
Spread:60 cm
Flowering time:
Tolerances:Coastal, Hardy, Wet, Wind
Garden uses:Banks, Borders, Paths & Steps, Ponds
Garden styles:Backyard, City & Courtyard, Coastal, Frontyard, Modern, Native, Riparian
Easy to grow?Yes
Maintenance requirementsLow
Growth rateMedium
Also known asEdgar's Rush, Wiwi, Common Rush
Sku10113

What are the benefits of Juncus edgariae?

Juncus edgariae offers numerous benefits, particularly in ecological restoration and landscaping in New Zealand. It is excellent for erosion control, especially along stream banks and wetlands, thanks to its dense, fibrous root system that stabilises soil. The plant is highly tolerant of wet and saline conditions, making it suitable for coastal and riparian areas where other species may struggle to thrive. As a native species, it supports local biodiversity by providing habitat and shelter for insects, birds, and aquatic life. Additionally, it requires minimal maintenance, is drought-tolerant once established, and contributes to improved water quality by filtering runoff and trapping sediments. Its attractive, upright form also lends a natural, textural element to landscape designs, both in urban and rural settings.

Juncus edgariae for sale in NZ

The Plant Company has the best Juncus edgariae for sale in NZ. Our production nursery specialises in growing amazing plants, and our logistics team packs them carefully for our customers. The pricing is competitive, and the quality is exceptional. Let us look after your plant and grass needs and impress you with both our products and service!

What is the common name for Juncus edgariae?

The common name for Juncus edgariae is wiwi, a Māori term widely used in New Zealand. This native rush is a clump-forming, grass-like plant commonly found in wetlands, coastal areas, and disturbed sites across the country. It features fine, dark green, cylindrical stems that grow upright and densely, making it useful for soil stabilisation and riparian planting. Juncus edgariae was previously grouped with Juncus gregiflorus, but it is now recognised as a distinct species endemic to New Zealand. Its resilience to wind, salt, and wet conditions makes it a valuable plant for ecological restoration and landscaping projects.

How big does Juncus edgariae get?

Juncus edgariae typically grows to a height of about 60–100 cm and a width of 40–60 cm. It forms dense, upright clumps of slender, dark green stems that resemble fine rushes or grasses. This species maintains a compact yet vigorous growth habit, making it ideal for mass planting, erosion control, and use in wetlands or low-maintenance landscapes. Its size and structure also make it effective for stabilising soil in riparian zones and providing habitat for native wildlife.

Juncus edgariae Care Tips

Plant Juncus edgariae in full sun to partial shade with moist, well-drained soil. It tolerates wet and dry conditions once established, making it ideal for both wetland margins and drier sites. Water regularly during establishment to promote vigorous root growth. Minimal maintenance is needed—trim back old or dead stems in late winter to keep plants tidy. This hardy rush is wind- and frost-tolerant, pest-free, and an excellent choice for low-maintenance, native landscaping or restoration projects.

Questions and Answers

Have a question about Juncus edgariae (Edgar's Rush)? We are here to help.

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