Pre-Emergents work by creating a chemical barrier within the top layer of the soil that prevent weed seeds from germinating. 10-0-5 with 0.37% Prodiamine is a high-quality fertilizer that also provides selective pre-emergent control of grasses and broadleaf weeds. For use in established lawns, perennials, wildflower turf, ornamental turf, and landscape ornamentals. It is recommended to apply this product at least 90-120 days before seeding. This granular formula comes in 50 lbs. bag. Minimum application rate 2.7 lbs/1,000 sq ft. Maximum Annual Rate 9.5 lbs/1,000 sq ft. **See full product label for more information
