Registered for use in AK, AZ, CA, CO, FL, GA, HI, IA, ID, IL, KS, LA, MD, ME, MI, MN, MT, NE, NV, NM, ND, NY, OH, OK, OR, PA, SC, SD, TX, UT, VA, WA, WI and WY. SUPPRESS Herbicide EC is a broad spectrum contact herbicide for post-emergent, non-selective weed control for use in and around all agricultural food and non-food crops. The proprietary formulation is a non-volatile, emulsifiable concentrate that provides rapid, effective control for various weeds.