This is an excellent preventative for crabgrass, as well as suppression of other listed weeds when applied before the weeds germinate. It also helps as a post-emergent control of crabgrass up to four weeks after it has germinated and emerged. Do not apply any later than four weeks after crabgrass has germinated. The 9.5 pound bag covers 2,700 square feet.

9.5lb bag $18.88