Brown spots are one of the most common lawn concerns we hear from homeowners. The difficult part is that brown grass does not automatically tell us what caused the problem. It could be drought stress, uneven sprinkler coverage, mowing too short, a fungal disease , grub damage, or a combination of several issues. That is why we do not like diagnosing a lawn based only on the color of the grass. We look at the location, pattern, soil moisture, roots, mowing height, weather, and time of year before making a recommendation. Start With Where the Browning Is Located When someone tells us their grass is turning brown, two of our first questions are: What is your watering schedule? Where are the brown areas located? The location can reveal a lot. Browning along sidewalks, driveways, curbs, and other exposed edges often points toward heat and moisture stress. These areas can dry out faster than the middle of the lawn. Brown areas in the sunniest portions of the yard may also be related to ...