Gaylor writes
Southern Ag Lawn Weed Killer with Trimec is not labled to kill crabgrass. Our most popular crabgrass product is Drive XLR8 Herbicide. Drive XLR8 Herbicide is a post emergent selective herbicide that is labeled for crabgrass as well as many other troublesome weeds. Please refer to the product label to ensure your grass type is tolerant to Drive.
Answer last updated on: 04/16/2019