11-4-12: TREES AND VEGETATION:
   A.   All parkways within the dedicated rights of way shall be graded and seeded or sodded in a manner approved by the village engineer.
   B.   Existing trees and shrubs of substantial size and health shall be preserved or replanted within the subdivision, to the extent possible, in conformance with title 8, chapter 6 of this code.
   C.   Street trees shall be planted, as homes are built, throughout the entire subdivision. Such trees are to be planted within the parkway area, where the parkway is a minimum of eight feet (8') wide as measured from the sidewalk to the back of curb. Where parkways are less than eight feet (8') wide, a landscape easement shall be provided, eight feet (8') in width, along the front property line for purposes of planting street trees. An average of one tree shall be planted, or existing tree preserved, for every fifty feet (50') of frontage on each side of each street. Trees within the parkway must be deciduous; those planted on private property may be of either deciduous or coniferous varieties. The new trees to be planted shall be species approved by the mayor and village board of trustees. Trees shall not be of species specifically prohibited by title 8, chapter 6 of this code. Each new tree to be planted shall have a minimum trunk diameter of not less than two inches (2") as measured at a point twelve inches (12") above the ground line. The developer shall certify to the village that said trees are free from disease and shall guarantee said trees for a period of one year from the date of planting. (1976 Code § 152.033)