Ace Crabgrass Preventer Lawn Fertilizer For All Grasses 15000 sq ftAce Crabgrass Preventer with Fertilizer prevents Crabgrass for up to 4 months and feeds your lawn in one easy step. This product delivers pre and early post emergent crabgrass control, and provides controlled release feeding up to 8 weeks. Apply in early spring or fall. Carries the Ace Promise satisfaction guarantee. Delivers pre and early post emergent crabgrass control Feeds 15,000 sq. ft. Apply early spring or fall Prevents crabgrass up to 4 months