Can you use Monterey Weed-Hoe to control crabgrass in lawns?

Yes, Monterey Weed-Hoe can be used to control crabgrass in lawns.

Specifically, the herbicide in question contains the active ingredient monosodium methyl arsenate. Experts describe MSMA as a less toxic, organic form of arsenic. It commonly is applied against crabgrass on Golf courses. It will be readily available to home gardeners.