Jeff Gunsolus, Extension agronomist - weed science Palmer amaranth flowering in Houston County. Note how the leafstalk (petiole) is longer than the leaf blade on lower leaves. Photo: MDA The fall harvest season is a good time to look for the presence of Palmer amaranth. Palmer amaranth is on Minnesota’s prohibited noxious weed and seed list with the goal to eradicate Palmer amaranth before it becomes widely established. Palmer amaranth is on Minnesota’s prohibited noxious weed and seed list with the goal to eradicate Palmer amaranth before it becomes widely established. To date, the Minnesota Department of Agriculture (MDA) has been able to eradicate Palmer amaranth in the fields reported to them and will continue to monitor affected fields and track down sources of contamination. The key is proper identification and rapid reporting to the MDA via the Arrest the Pest line at 1-888-545-6684 or arrest.the.pest@state.mn.us Identification is key Although Palmer amaranth can