Toetoe

Botanical name: Austroderia splendens
Synonyms: Cortaderia splendens
Common name(s): Toetoe

About:
A majestic large native toetoe species endemic to northern New Zealand. This impressive coastal grass is known for its enormous flowering plumes, broad flexible foliage, and powerful architectural form.

Natural habitat:
Occurs naturally in coastal dunes, cliff faces, sandy shrublands, offshore islands, and semi-consolidated dune systems.

Growing environment:
Full sun, Coastal exposure, Wind tolerant & Free-draining soils.
Thrives in sandy coastal conditions and tolerates salt-laden winds and dry exposed sites.

Endemic distribution:
Endemic to New Zealand.
Occurs from the Three Kings Islands south to Waikawau on the west coast and Ohiwa Harbour on the east coast of the North Island.

Height:
Approximately 2–6 m tall when flowering

Width:
Forms large tussocks approximately 2–3 m across

Flowering:
Spring to early summer
Produces large cream to silvery-white flowering plumes from September to November.

Fruiting:
Spring to autumn
Wind-dispersed seed develops from October through March.

Uses:

• Coastal revegetation
• Dune stabilisation
• Shelter planting
• Ornamental landscaping
• Wildlife habitat
• Large-scale native plantings

Appearance:

Growth habit:
A very large rhizomatous tussock-forming grass with broad arching foliage and tall dramatic flowering culms.

Leaves:
Leaves are broad, flexible, yellow-green to dark green, with dense hairs near the leaf bases and softly arching growth.

Flowers:
Produces large feathery cream-white plumes which may be upright or gracefully drooping.

Seed heads:
Large silky seed plumes persist through summer and autumn and disperse readily by wind.

Ecology:
An important coastal grass species helping stabilise dunes and provide shelter and habitat in exposed northern coastal ecosystems.

Associated habitats:
Frequently associated with dune systems, coastal shrublands, cliff faces, offshore islands, and sandy maritime environments.

How to grow:
Best planted in full sun in free-draining sandy or coastal soils. Tolerates drought, salt spray, strong winds, and exposed coastal conditions once established.

Propagation:
Easily propagated from fresh seed or by division of established rhizomatous clumps.

Garden value:
A spectacular large native grass valued for its massive creamy plumes, broad architectural foliage, and dramatic coastal appearance. Excellent for large landscapes, dune restoration, shelter planting, and bold contemporary native garden designs.