Bonide Chickweed and Clover killer contains Horsepower, a powerful combination of Triclopyr, MCPA, and Dicamba. Bonide Chickweed and Clover Killer effectively controls chickweed, clover, oxalis, plantain, ground ivy (creeping charlie), spurge, and over 150 listed weeds in Turf Grass. One pint of Bonide Chickweed, Clover & Oxalis Killer RTU will treat 5,000 sq. ft. begins to work overnight and is rainproof in hours.