Ortho Weed B Gon Chickweed, Clover & Oxalis Killer for Lawns, 1-Pt. Concentrate. This specially formulated herbicide kills tough lawn weeds, including creeping charlie and ground ivy, without harming your lawn. It covers up to 3,200 sq. ft. and contains 8% triclopyr, which kills weeds to the root. The vanguard packaging includes a grip and measuring cap for easy application.