These weeds are annual broadleaves and emerge in the fall. They grow as a rosette with finely lobed compound leaves Tansy mustard and flixweed bolt in the spring and produce yellow flowers at the top of the plant, which may grow to 3 feet tall. Small orange seeds are produced in long, narrow seed pods. Management - Several herbicides can be used to control tansy mustard in wheat.
Herbicides are most effective if applied before weeds start to bolt in the spring.
Need more information on control refer to KSU Chemical Weed Control Guide .