Rhopalostylis sapida ‘Chathamica’ – Chatham Island Nikau Palm

Rhopalostylis sapida ‘Chathamica’, commonly known as Chatham Island Nikau Palm, is a distinctive evergreen palm valued for its bold tropical appearance, broad arching fronds, and strong upright form. Compared with the mainland Nikau, it has larger foliage, faster growth, and greater tolerance of exposed conditions, making it a reliable choice in a wider range of landscapes. With its architectural form and year-round presence, Chatham Island Nikau Palm suits feature planting, subtropical gardens, and coastal landscapes.

Chatham Island Nikau Palm in NZ

Chatham Island Nikau Palm performs best in full sun to partial shade with fertile, well-drained soil and regular moisture while establishing. It adapts well to many New Zealand conditions, including coastal exposure and wind in suitable sites, and is regarded as hardier than standard Rhopalostylis sapida forms. Rhopalostylis sapida ‘Chathamica’ works well in coastal planting, sheltered urban gardens, and feature landscapes where a strong architectural palm is desired.

Chatham Island Nikau Palm (Rhopalostylis sapida ‘Chathamica’) size, spacing, and growth rate

Chatham Island Nikau Palm can reach 4 to 6m tall and 2 to 3m wide within 10 years, with a moderate growth rate that is often faster than that of standard Nikau. Allow spacing of 2–3m from structures or neighbouring plants so the fronds can develop naturally without crowding. Plant Rhopalostylis sapida ‘Chathamica’ where its eventual height and canopy can be appreciated, particularly as a specimen or grouped planting.