The answer to 'why is my irrigation system bare spots' is that there are several common causes, including improper sprinkler head placement, clogged or damaged sprinklers, and issues with the water pressure or flow. Bare spots can indicate that certain areas of your lawn are not receiving enough water from the irrigation system.
Some common symptoms include patchy, discolored grass, or areas that stay dry even after watering. Solutions may involve adjusting or replacing sprinkler heads, clearing any blockages in the system, or addressing issues with the water supply. Homeowners may be able to troubleshoot and fix minor problems, but it's often best to call in a professional landscaping or irrigation technician to diagnose and resolve more complex issues.