The answer to 'why is my retaining wall bare spots' is that there are several common causes, including poor soil preparation, lack of vegetation coverage, and improper drainage. Bare spots on a retaining wall can lead to erosion, instability, and an unsightly appearance.
Some of the most common causes of bare spots include insufficient soil preparation before building the wall, not planting enough vegetation to cover the wall, and issues with water drainage that leads to soil erosion. Over time, the bare soil can become compacted or washed away, leaving unattractive bare patches on the wall.