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Libertia edgariae

Edgar’s Iris

Libertia edgariae is a NZ native grass that grows as a clump of narrow, grass-like leaves. Long stems carrying white, butterfly-like flowers are borne in spring and are followed by attractive, red-black seed capsules. This grass typically grows to 20 cm tall and the same wide. Libertia edgariae is commonly mass planted, added to a mixed planting, planted around the base of a larger tree, or used in “white” garden themes.

Libertia edgariae plant.

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Suited to regions:All regions
Plant type:Grasses
Height:20 cm
Spread:20 cm
Flowering time:Spring
Tolerances:Coastal, Extended dry periods, Hardy, Wind
Garden uses:Borders, Paths & Steps, Pool areas
Garden styles:Alpine, Architectural, Backyard, City & Courtyard, Coastal, Frontyard, Japanese, Mediterranean, Modern, Native
Easy to grow?Yes
Maintenance requirementsLow
Growth rateMedium
Also known asEdgar’s Iris
Sku10453

Growing Libertia edgariae Successfully in NZ

Libertia edgariae is a hardy New Zealand native that grows well in full sun to partial shade and free-draining soil. This compact, evergreen plant forms neat clumps of narrow, flax-like leaves and produces clusters of small white flowers in spring, followed by orange seed capsules. It’s ideal for mass planting, borders, and native gardens. Water regularly during the first year to help it establish, then only during extended dry periods. Mulch to retain moisture and control weeds, and remove spent flower stems to keep the plant tidy. It thrives in a wide range of conditions and requires minimal maintenance once established.

Libertia edgariae Care Tips

Libertia edgariae is low-maintenance and well-suited to New Zealand gardens. Plant in full sun or partial shade with free-draining soil, and water regularly during the first year to establish strong roots. Once established, it is drought-tolerant and thrives with minimal care. Remove spent flower stems and old leaves to keep the plant tidy. Apply a light dressing of native plant fertiliser in spring if needed. It performs well in coastal, urban, and rural settings.

Plant Size and Spacing

Libertia edgariae typically grows to 30–40 cm tall and 30–40 cm wide, forming a compact, clump-forming habit. It has a moderate growth rate, gradually filling out over time. For mass planting or borders, space plants 30–40 cm apart to achieve full coverage while allowing room for airflow and natural shape. This spacing also works well in native gardens, rockeries, and underplantings.

Why Buy Libertia edgariae from The Plant Company

The Plant Company supplies top-quality Libertia edgariae plants, which are grown to thrive in New Zealand's conditions. Our plants are nursery-raised for strong roots and healthy foliage, ensuring reliable establishment in native gardens, borders, or mass plantings. With expert care, secure packaging, and nationwide delivery, The Plant Company makes it easy to add this attractive, low-maintenance native to your landscape with confidence.

Questions and Answers

Have a question about Libertia edgariae (Edgar’s Iris)? We are here to help.

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