We have also found that it provides suppression of crabgrass, which is a common problem in many lawns. One of the best things about Southern Ag Atrazine St. Augustine Grass Weed Killer is that it ...

The type of weed will clue you in on when to apply weed killer to the lawn. Are you noticing weeds cropping up on your lawn? You might hand-pull some weeds, a safe and effective option.