Scotts Turf Builder Weed and Feed 5 26-0-2 controls existing weeds and helps to thicken lawns to crowd out any future weeds that may emerge. It controls more than 50 common lawn weeds, including dandelion, clover, ground ivy, henbit, purslane, and chicory (see label for complete list). For best results, it is recommended to apply this product when daytime temperatures are between 60-90 degrees and when weeds are actively growing. Safe for use on bahia, bermuda, centipede, zoysia, bluegrass, fescue, and rye grasses. This 11.32 lb. bag covers up to 4000 sq. ft.