MN Farmers/Agronomists Encouraged to Scout Fields for Palmer Amaranth


St. Paul, MN: The Minnesota Department of Agriculture (MDA) is encouraging farmers and agronomists to scout fields now for the invasive weed Palmer amaranth.

Palmer amaranth is listed as a noxious weed in Minnesota and was first discovered in the state in 2016. All above and below ground parts of the plant must be destroyed, and it cannot be moved.

Left uncontrolled, a single female Palmer amaranth plant typically produces 100,000 to 500,000 seeds. It is resistant to multiple herbicides, can cause substantial yield losses, and greatly increase weed management costs in soybeans and corn.

Now is the time when Palmer amaranth is visible in agricultural fields. The MDA is asking farmers and agronomists to pull out any suspicious plants and report them to the Minnesota Department of Agriculture’s Arrest the Pest line at 1-888-545-6684 or


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