Prevents crabgrass, spurge and many other weeds and annual grasses in lawns before they appear and provides an early spring green up. Premium 23-3-8 turf fertilizer with iron provides for early spring green up. Controls weeds from seed for up to 4 months. Iron promotes dark green color. 25lb bag covers up to 5,000 sq. ft. 50 lb bag covers up tp 10,000 sq. ft. For best results apply: February to April. Step 1 in the IFA 4 Step and 4 Step Plus Lawn Care Programs. Available at all IFA Country Stores and select IFA Dealers.