Ministry of Agriculture and Lands

Rosette

• Provincial Noxious Weed

• biennial taprooted weed growing 0.5 to 1.2 metres tall; soft, hairy rosette leaves (7 to 30 cm long) produced in first year resemble the shape of a dog's tongue; stem leaves are shorter and stalkless; dull reddish-purple flowers bear 4 rounded triangular nutlets (seeds) that are covered with hooked prickles

• easily spread by seed attachment to clothing and animals

• contains toxic alkaloids that can cause liver damage in grazing animals

• well adapted to forested areas, roadsides and meadows