Green Thumb, 5,000 SQFT Coverage, 27-0-5 3-In-1 Weed & Feed & Crabgrass Preventer, Triple-Action Formula: Pre-Emergent Herbicide, Lawn Fertilizer & Post-Emergent Broadleaf Weed Killer, Prevents Crabgrass & Destroys It Up To 4 Weeks After Germination. Controls Dandelions & Over 250 Broadleaf Weeds Including: Clover, Ground Ivy & Chickweed, Continuously Feeds For Up To 16 Weeks.