We recommend beginning your lawn care routine with ferti-lome For All Seasons II Lawn Food Plus Crabgrass and Weed Preventer. An application feeds warm and cool season grasses for up to 5 months, creating a stronger root system for your lawn. For All Seasons II also provides weed control for a large variety of grassy and broadleaf weeds. One quick application, and your grass will reap the rewards all season long! 20 lb. bag.