Get your lawn off to a great start with an early spring feeding! Use Scotts? Turf Builder? Halts? crabgrass preventer with lawn food to keep your lawn protected from crabgrass all season long. Apply it early in the spring to stop crabgrass and other grassy and broadleaf weeds, like chickweed and poa annua. Protects your lawn all-season long. In addition, the lawn food feeds your lawn for a fast green-up after winter.