Also known as
Where is it originally from?
What does it look like?
Strongly rhizomatous perennial grass (<1.5 m tall) with erect, cane-like stems and short rolled leaves. Slender seedhead (10-20 cm long) has purplish seeds from Spring to Summer.
Are there any similar species?
Why is it weedy?
Grows and matures rapidly, tolerates hot, dry to damp conditions and produces massive amounts of widely dispersed, moderately long-lived seed.
How does it spread?
Seeds and rhizomes, this species was intentionally planted in the past for dune stabilisation.
What damage does it do?
Outcompetes native groundcover species.
Which habitats is it likely to invade?
Short tussockland, herbfield, bare land and wetlands, mainly on coastline and sand dunes.
What can I do to get rid of it?
1. Dig out small patches. Dispose of at refuse transfer station or burn.
2. Spray (spring-summer): glyphosate 15ml/L + penetrant (non-selective) or Gallant (60ml/10L (knapsack) or 500ml/100L (gun and hose)) + crop oil (selective).
What can I do to stop it coming back?
Rare, so report all sites found to Department of Conservation or your regional council. Rhizomes resprout and seeds in soil can germinate, so follow up required 6-monthly until eliminated.