Q: I have a centipedegrass lawn with some bahiagrass mixed in. What can I apply that will handle the bahiagrass and leave the centipedegrass?

A: The chemical imazaquin (Image ) should work.

Its label states:

“IMAGE Herbicide is a postemergent, selective weed killer for use in southern turfgrass and selected ornamentals. IMAGE Herbicide targets the toughest southern weedsǃ