Phormium cookianum NZ, also known as Mountain Flax or Wharariki, is a graceful and hardy native plant celebrated for its arching, green-lime leaves and its adaptability to New Zealand's varied landscapes. This stunning perennial is a favourite among gardeners and landscapers alike for bringing movement, texture, and a touch of wild New Zealand beauty to both coastal and inland gardens. Whether mass planted as groundcover, used to stabilise banks, or featured as part of a lush native border, Phormium cookianum is an essential choice for anyone looking to create vibrant, low-maintenance spaces that thrive in NZ conditions.
Phormium cookianum, commonly known as Mountain Flax or Wharariki, is a graceful New Zealand native valued for its arching green leaves and tall flower spikes. It typically grows 1–1.5 metres tall and wide, making it ideal for borders, mass plantings, or coastal gardens. In summer, it produces yellow to orange tubular flowers that attract birds and pollinators. Hardy and tolerant of wind, salt, and poor soils, Wharariki thrives in full sun to part shade.
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