The spacing of street trees will be in accordance with the tree size classes listed in Section 163.08, and no trees may be planted closer together than the following: small trees, fifteen (15) feet; medium trees, twenty-five (25) feet; and large trees thirty-five (35) feet; except in special plantings designed or approved by a landscaped architect, a licensed professional landscape firm or other expert or associated professional deemed suitable by the City Manager, or otherwise recommend for considerations and approval by the Tree Board to the City Manager. (Ord. 19-33. Passed 8-19-19.)