Many herbicidal compositions have been developed and are presently used. However weeds to be controlled are various in types and their emergence extends over a long period. Accordingly it is desired to develop a herbicidal composition which has a broader herbicidal spectrum a high activity and a long lasting effect. The present invention provides a herbicidal composition comprising as active ingredients (a) flazasulfuron or its salt and (b) metribuzin or its salt.