Stopping the Silent Invasion
Report a Pest: 643-PEST
Hawaii residents are urged to use the Pest Hotline to promptly report sightings of invasive pests such as snakes, unusually aggressive stinging ants, and illegal or unknown animals.
Call 643-PEST (643-7378)
What's This?

New Zealand flax (Phormium tenax)

(Agavaceae)

Description:

  • Plant to 2 m (6 ft) tall, with smooth, leathery, sword-shaped leaves that grow clumped in a fan shape
  • Native to New Zealand, introduced as an ornamental in the late 1800's, introduced to Molokai in late 1960s-early 1970s

Harm:

  • Crowds out other vegetation and blocks sunlight
  • Plants may have as many as 10,000 seeds/flower that spread with the wind
  • Also produces clones, which sprout up and spread out
  • Known pest on St. Helena Island

In Hawaii:

  • Kauai: Present in landscaped areas.
  • Oahu: Present in landscaped areas.
  • Maui: Present in landscaped areas.
  • Molokai: Present in native high-elevation ohia-uluhe rainforest in Kamakou Reserve, Puu Kauwa, Molokai Forest. MoMISC is working to control this pest where possible.
  • Big Island: Present in landscaped areas.

For more information, see:

© 2008 Hawaii Invasive Species Partnership