Weed Action Piroa - Brynderwyns

A community taking action to stop invasive weeds from taking over the incredible natural environment we all value. Join the fight, in your own backyard or in the bush, and protect what is uniquely ours!

  • Home
  • About
    • Weed Action Goals
    • Our Team & Partners
  • The Weeds!
    • Weed of the Month
    • The Dirtiest Dozen
    • Weeds A To Z
    • Herbicides and Additives
    • Control Methods
  • Take Action!
    • Weed Action Groups
    • Get Advice/Get Gear
  • Resources
  • What’s New
  • Contact
  • Gallery
Back to Weed Search

Canna Lily    

Canna Indica - Image courtesy of Weed busters

How to Control:

  1. Dig out scattered plants (all year round). Remove all roots and rhizomes and dispose of at a refuse transfer station.
  2.  Cut stump application: Cut stems and  treat with (1g metsulfuron + 50ml glyphosate + penetrant/1L water), or a 3-5mm layer of Vigilant®  gel. Mulch the leaves and dispose of seeds at a refuse transfer station.
  3.  Overall spray (spring-summer) with (2g metsulfuron + 100ml glyphosate + penetrant/10L water).

Caution: when using any herbicide or pesticide PLEASE READ THE LABEL THOROUGHLY to ensure that all instructions and safety requirements are followed.

For more information and pictures of this weed check out the Weedbusters info page. 

Quick Links

  • The Dirtiest Dozen
  • Free Community Resources
  • Guide to Herbicides
  • Control Techniques
  • Join a Weed Action Group!
  • Search for a Weed

What’s New

Weed Action In Mangawhai

Its beautiful estuary, a great surf beach, the sandspit with its special terns and dotterels and the wonderful natural environment combine to make Mangawhai the place to be. Unfortunately, parts of these special places are becoming overrun with garden plants that have ‘jumped the fence’ since early pioneers introduced them. Many were brought here as […]

Weed of the Month

Weed Action Community Resources

Upcoming Events

  • No events

Weed Action Groups

  • Cheviot St Weed Action
  • Langs Beach Reserve Weed Action
  • Piroa Brynderwyn Landcare

View all Weed Action Groups

Quick Links

  • The Dirtiest Dozen
  • Weeds A-Z
  • Free Weed Control Resources
  • Guide to Herbicides
  • Events Calendar

    Copyright © 2021 · Weed Action Piroa - Brynderwyns, Northland, New Zealand · Log in