Trimec Crabgrass Plus Lawn Weed KillerReady To Use Spray kills emerged crabgrass and more than 200 other grassy and broadleaf weeds without harming your lawn when used as directed. Convenient hose end ready spray formulation. 3 way herbicide blend. Controls emerged grassy weeds such as crabgrass, foxtail, and signalgrass Rain Ready in 1 hour after application. No additional surfactant required. 32 oz