Spotted knapweed is a serious weed of rangelands in the far west but in New Jersey it is a roadside weed. It flowers late and furnishes local color in the summer time. It has been on the increase in recent years.
Spotted knapweed is a serious weed of rangelands in the far west but in New Jersey it is a roadside weed. It flowers late and furnishes local color in the summer time. It has been on the increase in recent years.