Preen Lawn Weed Control kills a wide range of lawn weeds, including dandelion, chickweed, knotweed, plantain, henbit, spurge and many others commonly found in home lawns. Choosing weed killers for lawns can often be confusing and you might worry about burning your lawn. But Preen Lawn Weed Control’s formulation eliminates those concerns when used according to label directions. Choose Preen Lawn Weed Control and have a weed-free lawn. For use on established bermudagrass, centipedegrass, Kentucky bluegrass, perennial ryegrass, tall fescue, turf-type tall fescues and zoysiagrass.