Overview

Carex chathamica is a tufted, clump-forming perennial in the genus Carex, part of the Cyperaceae family, with evergreen, deciduous foliage. Carex chathamica grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H7. Suggested uses include pond edges, borders, ground cover and woodland gardens. It is native to Chatham Is..

About

Carex chathamica is a species of sedge in the family Cyperaceae, native to the Chatham Islands of New Zealand. Grey-backed storm petrels nest in its tufts.

Wikipedia contributors, CC BY-SA 4.0Carex chathamica

About the genus

Carex is a vast genus of over 2,000 species of grass-like plants in the family Cyperaceae, commonly known as sedges. Other members of the family Cyperaceae are also called sedges; however, those of genus Carex may be called true sedges. Carex is the most species-rich genus in the family.

Wikipedia contributors, "Carex", CC BY-SA 4.0Carex

Growing conditions

Best soil and position for Carex

Sunlight
Full sun, Partial shade
Soil type
Loam, Clay, Sand
Soil pH
Acid, Neutral, Alkaline
Soil moisture
Moist but well-drained, Moist/Wet soil
Aspect
North-facing, East-facing, South-facing, West-facing
Exposure
Exposed, Sheltered
UK hardiness
H7

Plant details

Carex chathamica size, habit and characteristics

Plant type
Perennial
Habit
Tufted, Clump-forming
Foliage
Evergreen, Deciduous
Suggested uses
Pond edges, Borders, Ground cover, Woodland gardens
Native to
Chatham Is.

Care notes

Pruning and caring for Carex chathamica

Propagation
Seed, Division
Pest resistance
Generally pest-resistant
Disease resistance
Generally disease-resistant

Frequently asked questions

Where is the best place to plant Carex chathamica?

Carex chathamica prefers full sun and partial shade. It suits exposed and sheltered positions.

What soil does Carex chathamica need?

Carex chathamica is adaptable and grows happily in most soil types, including loam, clay and sand. It is happy in soil of any pH. Aim for soil that stays moist but well-drained to moist/wet soil.

Is Carex chathamica hardy in the UK?

Carex chathamica has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.

How do I propagate Carex chathamica?

Seed, Division.