12.20.030 – Tree planting requirements

These requirements shall apply to any planting of trees as a result of subdivision/development or replacement.

  1. Size of Street Trees
    Street trees to be planted or replanted shall have a trunk diameter (measured twelve inches above the ground) of not less than two and one-half inches.  All new subdivisions shall have all street parkways planted with trees with a trunk diameter (measured twelve inches above the ground) of not less than two and one-half inches.
  2. Spacing
    1. Types of trees which attain a mature height of over fifty feet shall be planted not more than forty feet apart and not less than twenty feet apart nor within twenty feet of another tree outside the property line or within the parkway.
    2. Types of trees used that have a mature height of less than fifty feet or are of narrow spreading habit shall be planted not more than thirty feet apart and not less than twenty feet apart nor within twenty feet of another tree outside the property line or within the parkway.
    3. Small ornamental types of trees shall be planted not less than fifteen feet apart or within fifteen feet of another tree outside the property line or within the parkway.
  3. Location
    1. Trees shall be planted at least five – ten feet from all sidewalks, driveways or other paved areas.
    2. Trees shall be centered in the parkway.
    3. If the width of the parkway is less than five feet, only small ornamental type trees shall be planted.
    4. No tree shall be allowed to be planted if parkway is less than three feet.
    5. Trees shall be at least twenty feet from the property corner at all street intersections.
    6. On corner lots, no planting shall be maintained higher than thirty inches above the centerline grade of the lowest intersecting street if located within the triangular portion of a front or side yard situated within twenty feet of a lot corner formed by the intersection of any two street right of way lines.
    7. Only small ornamental type trees shall be planted under all overhead electric power lines.
      (Ord. 2007-M-56 § 1)
  4. Tree Species
    Selection of street trees shall give preference to species native to the Northern Illinois region.  All trees shall be transplanted from stock grown in Northern Illinois. The following list of trees is restricted from use in any area covered by this ordinance.

Common Name

Scientific Name

Norway Maple Species

Acer Platanoides

Weeping Willow

Salix Niba

Poplars (except Cottonless Cottonwood)

Populus albo and others

Box Elder

Acer negundo

Tree of Heaven

Ailanthus altissima

Chinese Elm

Ulmus siberica

Female Ginkgo

Ginkgo biloba female

Mulberry

Morus alba and others

Black Locust

Robinis pseudoscacis

Sycamore

Platanus occidentalis

Seedline from soft (silver) maple

Acer Saccharinum

All fruit trees

 

All Ash trees

 

Pine or Spruce trees

 

Russian Olive

Elaeagnus angustifolia

(2007-M-56: § 1; 1998-M-28: § 1; 1992-M-66: § 1; 1992-M-47: § 1; 1988-M-98: § 1; 1986-M-63: § 12.502; Prior code: § 12.503; 12.504; 12.505; 12.507; and 12.508)