Provided herein are herbicidal compositions containing (a) aminopyralid or an agriculturally acceptable salt or ester thereof and (b) bentazon or an agriculturally acceptable salt thereof. The compositions provide synergistic weed control of undesirable vegetation e.g. in rice wheat barley oats rye sorghum corn or maize oilseed rape/canola vegetables pastures grasslands rangelands fallowland turf tree and vine orchards aquatics industrial vegetation management or rights of way.