Scotts, 15,000 SQFT Coverage, 36-0-4, Super Turf Builder With Halts Crabgrass Preventer, Apply In Early Spring, February Through April, Delivers More Greening Power Than Regular Turf Builder With Halts, Provides Pre-Emergent & Early Post Emergent Crabgrass Control, Prevents Crabgrass, Foxtail, Oxalis & Spurge All Season Long, Do Not Apply When Seeding.