St. Louis residents know about our very diverse weather. They also know that these constant changes can cause many very annoying weeds to pop up their lawns. Some of these weeds are very difficult to kill. In St. Louis, the best way to control these weeds is by using pre and post emergent treatments to ensure that those stubborn weeds cannot take a foothold. We know which weed control products work the best and we know how and when to apply them to fight those weeds.