The answer to 'why is my landscape lighting weeds' is that weeds can often grow around and under landscape lighting fixtures, especially if the soil is not properly prepared or maintained. This can be caused by factors like poor drainage, excess moisture, or lack of weed control measures.
Weeds near landscape lighting can detract from the overall aesthetic and make the lighting less effective. To prevent this, it's important to keep the area around the lighting fixtures well-maintained, with proper soil preparation, weed control, and regular monitoring and removal of any weeds that do start to grow.