Raised Garden Beds. Raised garden beds shall not exceed a height of three feet measured from the surface of the natural ground to the top of the frame of the raised garden beds. In a front yard or corner side yard, raised garden beds shall not be closer than five feet to a front or corner side property line. Raised garden beds shall be constructed of wood, brick, masonry, landscape timbers, metal, ceramic, or synthetic lumber. Raised garden beds constructed of wood shall be structurally sound and free of rot. Prefabricated raised garden beds shall be permitted. Raised garden beds shall not be constructed of wire, chicken wire, rope, cable, utility poles, tires, plumbing fixtures, or any other similar materials.