Why Is My Grass Brown?
There is a patch of grass that is turning brown. I have dug up soil in 3 different areas and there is no sign of grubs. What could be another cause of the damage? Also, I do have my lawn treated by a professional weed control service, but they do not treat for grubs.
Certified GKH Gardening Expert
It could be a fungus. This article has information on the most common kinds of lawn fungus: