The answer to 'why is my hedge bare spots' is that there are several common causes, including improper watering, lack of nutrients, pests or diseases, or physical damage. Bare spots in hedges are often a sign of stress or underlying issues that need to be addressed.
Some common symptoms include thinning foliage, discolored or wilting leaves, and patchy growth along the hedge. To fix the problem, you'll need to identify and address the root cause, which may involve adjusting your watering and fertilization routine, treating pests or diseases, or even replacing damaged or dead sections of the hedge.