Watch the CFAES video above for tips on telling your pigweeds apart: redroot pigweed vs. the now-invading Palmer amaranth, which some experts call “pigweed on steroids,” and not as a compliment. Accurate identification of pigweeds, you could say, is the first step to sending them squealing. Beating problem weeds is important because troublemakers like pigweeds can reduce how much food a farm produces, how much money the farmer makes, and the farm’s overall success and sustainability.