If preemergence herbicides are applied too late, you may need to use a postemergence herbicide for summer annual grass control. Apply postemergence herbicides when the crabgrass or other annual weed ...

Before you go to all the effort to control crab grass, consider whether you can learn to coexist. Crab grass is, after all, grass in a lawn full of, well, grass. And a lawn doesn’t have to be ...