A synergistic herbicidal composition is provided the composition comprising a herbicidally effective amount of (A) metribuzin (B) metsulfuron methyl and/or thifensulfuron methyl and/or tribenuron methyl and optionally (C) one or more triazolopyrimidines. A method of controlling plant growth at a locus comprises applying to the locus herbicidally effective amounts of the present composition.