Madmax from South Louisiana writes
Image Herbicide for St. Augustine Grass and Centipede Grass Concentrate is a post-emergent product, which means that it will kill weeds that are present and actively growing. This product cannot be used as a pre-emergent. We do carry a full line of pre-emergents which you can see by following this link: Pre-Emergent Herbicides
Answer last updated on: 02/04/2020
