Oxalis growth in containers treated with preemergence herbicides.

Oxalis (a.k.a. creeping woodsorrel, Oxalis corniculata) is a perennail weed throughout Oregon and the U.S. Rout and BroadStar provided excellent preeemergence oxalis (creeping woodsorrel) control. Snapshot provided better control than Showcase of this weed species. Increasing Showcase to 200 lb/acre improved control.