The answer to 'why is my landscape lighting dead trees' is that there are several common causes for landscape lighting issues that can lead to dead trees. This can be due to electrical problems, installation issues, or environmental factors.
Some of the most common causes include faulty wiring or connections, incorrect placement of lighting fixtures, damage from landscaping work, and issues with the power supply. Symptoms may include lights not turning on, flickering or dimming lights, and trees or shrubs that are wilting or dying near the lighting fixtures. To troubleshoot and resolve the issue, you may need to inspect the wiring, check the transformer and power source, and potentially adjust or relocate the lighting fixtures. In some cases, it's best to call a professional landscaper or electrician to properly diagnose and fix the problem.