Expert Gardener Weed & Feed Plus Crabgrass Control, Lawn Fertilizer 18-0-1, 12 lb. Is a unique combination product that not only feeds your lawn, it also that prevents crabgrass for up to 5 months and kills existing weeds all in just one easy step. If you only want to fertilize was this spring, this is the product to do it with! Expert Gardener Weed & Feed Plus Crabgrass Control is formulated to feed your lawn for up to 3 months and control most annual grasses and broadleaf weeds, such as Dandelions, commonly found in home lawns. Expert Gardener® Weed and Feed Plus Crabgrass Control Lawn Care provides pre emergent control of crabgrass, foxtails, and other annual grass weeds and post emergent control of crabgrass. This is an excellent all around product to use in Spring to both feed your lawn and controls weeds. Can be used on most types of Grass