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Carex lessoniana

Rautahi

Carex lessoniana is a robust New Zealand native sedge valued for its tall, upright foliage and adaptability to wetland and garden environments. Often found along stream edges and in damp areas, it forms dense clumps that provide excellent habitat for wildlife. Its fine green leaves add structure, texture, and movement to landscapes. Hardy and versatile, Carex lessoniana is an ideal choice for ecological restoration projects, erosion control, and naturalistic NZ gardens.

Carex lessoniana green foliage.
Carex lessoniana plants growing as a cluster.

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Suited to regions:All regions
Plant type:Grasses
Height:1.00 m
Spread:2.00 m
Flowering time:
Tolerances:Hardy, Wet
Garden uses:Borders, Paths & Steps, Ponds
Garden styles:Alpine, Backyard, City & Courtyard, Frontyard, Modern, Native, Riparian
Easy to grow?Yes
Maintenance requirementsLow
Growth rateMedium
Also known asRautahi
Sku10045

How to grow Carex lessoniana in NZ

To grow Carex lessoniana in NZ, choose a damp to wet site in full sun or partial shade. It thrives in swampy areas, pond margins, and wet soils but can also adapt to drier sites once established. Water regularly during the first year to encourage deep roots. Mulching helps conserve soil moisture and reduce weeds. Carex lessoniana is highly resilient, making it easy to establish in both ecological and ornamental NZ plantings.

Carex lessoniana care tips

Caring for Carex lessoniana is straightforward. Trim back old or dead foliage in late winter to allow for fresh spring growth. Mulch around the base to keep the soil moist and improve soil quality. Once established, it tolerates both drought and flooding, making it very low maintenance. Carex lessoniana is hardy, pest resistant, and long lived, offering gardeners a reliable option for native and sustainable landscapes.

Carex lessoniana size, spacing, and growth rate

Carex lessoniana grows 1–1.2 metres tall with a spread of about 80 cm, forming dense, upright clumps. For mass planting or wetland projects, space plants 60–80 cm apart to achieve good coverage. Growth is fast under the right conditions, making it effective for erosion control and quick establishment in restoration projects. Its tall, flowing foliage ensures Carex lessoniana is both practical and attractive.

Landscaping uses for Carex lessoniana

Carex lessoniana is perfect for wetland gardens, ecological plantings, and natural landscapes. It thrives along streams, ponds, and in damp areas, where it provides both beauty and erosion control. Its tall, grass like foliage adds vertical interest and movement to plantings. Carex lessoniana also works well in mass plantings, where it creates a lush, natural look. It is ideal for gardeners seeking hardy, low maintenance native plants.

Why buy Carex lessoniana from The Plant Company?

Buying Carex lessoniana from The Plant Company ensures you receive strong, healthy plants grown in NZ conditions. As New Zealand’s most trusted plant nursery, we pride ourselves on supplying only premium quality plants. Each Carex lessoniana is carefully nurtured and packaged to arrive safely. With expert advice and fast nationwide delivery, The Plant Company is your best choice for adding this hardy native sedge to your property or restoration project.

Questions and Answers

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