More than 20,000 cars pass by the site daily, but the toxic threat has been quietly growing and spreading unnoticed.

Opinion: I was brought up on a rural property in South Taranaki. The scourge weed of that time and locality was gorse. As a weed species, gorse had everything going for it. It was hard to control ...

She’s also spotted the moths on Texas thistle and laments that some gardeners view the prickly purple flower—a vital food source for many pollinators—as a weed to be eradicated.

Photo / Michael Cunningham. Experts are planning to ramp up a community attack on the invasive weed moth plant in Whangārei’s urban environment. A trial project aimed at encouraging Onerahi ...