Preen One Lawncare is all you need for lawn weed control in one easy application. Kill broadleaf weeds, prevent crabgrass, and feed your lawn - in one time-saving step. Preen One Lawncare will kill over 250 lawn weeds commonly found in home lawns including dandelion, chickweed, thistle, and clover, and will prevent crabgrass and other undesirable annual grasses from emerging. Preen One Lawncare also contains a long-lasting, slow-release fertilizer that has essential nutrients your lawn needs for 2 months. Apply in spring when weeds are growing. You'll get season-long weed control and feeding without the extra work of multiple applications. Eliminate lawn weeds and green your lawn at the same time. For use on established bahiagrass, bermudagrass, buffalograss, fine fescues, Kentucky bluegrass, perennial ryegrass, tall fescue, and zoysiagrass.