The answer to 'why is my sprinkler system dead trees' is that a malfunctioning sprinkler system can lead to overwatering or underwatering of your landscaping, which can cause trees and other plants to die. Common causes include broken or clogged sprinkler heads, leaks in the pipes, or issues with the sprinkler controller.
Symptoms of a sprinkler system problem include wet or dry spots in your lawn, plants that are wilting or turning brown, and standing water around the sprinkler heads. To troubleshoot, start by visually inspecting the sprinkler heads and pipes for any obvious issues. You may need to adjust the sprinkler heads or replace broken components. If the problem persists, it's best to call a professional sprinkler repair technician to diagnose and fix the underlying issue.