The answer to 'landscape lighting turning brown' is that this is a common issue caused by a few potential factors, including mineral buildup, corrosion, or water damage. The symptoms are often discoloration or rusting of the light fixtures, and the solution may involve cleaning, repairing, or replacing the affected components.
If the issue is caught early, homeowners may be able to address it through DIY maintenance like cleaning the fixtures and checking for any loose connections. However, more extensive damage or complex electrical work may require the expertise of a professional landscaping lighting technician to properly diagnose and resolve the problem.