A few years back, parts of Kaiti Hill almost looked like they’d been spray-painted pink for spring. While it wasn’t an eyesore, it was unfortunately a pretty serious invasion of a noxious weed — Ragwort.
Also known as holly-leaved senecio, Ragwort is an upright perennial that grows to about one-metre tall. It has waxy, light-green leaves with a course toothed edge.
Between September and No...
