The pest search is a library to help you identify 100-plus invasive plants and animals on the land and in the water in Waitaha/Canterbury. Search for a pest by name or use the filters to narrow the selection.
Here, you can learn how to control them and what you can do to help our biosecurity efforts. Find out more about how we manage plant and animal pests in Waitaha/Canterbury.
Also known as: Hairy willowherb, giant willowherb
Giant willowherb grows to 2m tall and has pink flowers that occur in summer or autumn. It is an aggressive invader that outcompetes native species in wetlands and waterways.
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Retrieved: 1:48am, Thu 22 Feb 2024