A.    All persons who are owners of shade trees, or who are intended as owner or occupant or agent of any real estate abutting or contiguous to any part of any street on, along or in front of or adjacent to which shade trees are planted or growing shall cause the same to be carefully and properly trimmed to a point on the tree as high as twelve feet from the ground; provided, that all such shade trees shall be trimmed on the side next to the street so that the limbs or branches where so trimmed shall not extend more than twelve feet from the trunk of such shade trees; provided further, that all such shade trees shall be so trimmed that in no case shall such shade tree or trees be more than fifty feet high.

    B.    It shall be the responsibility of the property owner to maintain the unimproved right-of-way area and the landscaped medians existing on local streets adjacent to his property. Said areas must be maintained in accordance with Chapter 8.32 and in such manner that when mowed that the grass clippings are not thrown onto the streets. (Prior code § 31-3)