Musk thistle is classified as a noxious weed in Kansas and infests over 700,000 acres. Fall is an excellent time to spray musk thistle as it's in the rosette growth stage. Fall treatment also offers reduced risk of off-target drift.
Musk thistle (is one of 12 noxious weeds in Kansas infesting nearly 500,000 acres. Control efforts should be aimed at reducing or eliminating new populations and established stands should be managed with any accepted control method. Fall is an excellent time to spray musk thistle.