Major tree planting, as defined by the State Department of Transportation, shall be within the ten-foot area beyond the clear zone, and outside of sight triangles. The area between the highway curb where there are curbs or the edge of the highway pavement where there are no curbs and the parking lots or structures shall be planted to minimize the distraction to State Highway Route 17 motorists. Mulch comprised of either woodchips or stone shall only be used in planting beds and not as a general ground cover.