Pre-Emergents work by creating a chemical barrier within the top layer of the soil that prevent weed seeds from germinating. 0-0-7 with 0.22% Dimension 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. Dimension provides control of crabgrass in the early stages of development as long as applications are made to crabgrass prior to the first tiller or 3-leaf growth phase. This granular formula comes in 50 lbs. bag. Minimum application rate 4 lbs/1,000 sq ft. Maximum Annual Rate 15.6 lbs/1,000 sq ft. **See full product label for more information
