Bonide Crabgrass & Weed Preventer provides up to 5,000 sqft of coverage. Bonide's crabgrass & weed preventer can be used for lawns & gardens and does not contain fertilizer. This product prevents weeds from growing in gardens & lawns without added fertilizer and contains dimension R weed preventer. This Crabgrass & Weed Preventer controls crabgrass, black medic, clover & many more broadleaf & grassy weeds. Apply in spring for long term weed prevention.