Skip Navigation

Spotted Knapweed

Centaurea stoebe

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.

Photo of Spotted Knapweed

Photo by Dr. John Meade, weed scientist emeritus
Rutgers NJAES Cooperative Extension