New Orleans Comprehensive Zoning Ordinance

Printed: 4/19/2024 9:30:06 PM

23.5.C Trees

1. When adjacent to sidewalks, trees shall have a minimum height of twelve (12) feet at planting with a minimum canopy clearance of six and a half (6.5) feet in order to allow pedestrian passage.

2. All deciduous shade trees at the time of installation shall have a minimum caliper of two and one-half (2.5) inches for single trunk trees and one and one-quarter (1.25) inches for multi-trunk trees, and a clear trunk height of at least six (6) feet, unless otherwise specified. Caliper is measured at six (6) inches above the ground for trees up to four (4) inches in caliper.  If the caliper exceeds four (4) inches at six (6) inches above the ground, caliper is measured at twelve (12) inches above the ground as per ANSI Z60. 

3. Evergreen trees shall have a minimum height of eight (8) feet at planting.

4. Single stem ornamental trees shall have a minimum caliper of three (3) inches taken at six (6) inches above ground, unless otherwise specified. Multiple stem ornamental trees shall have a minimum height of eight (8) feet at planting and a minimum of three (3) trunks with a minimum one and a half (1.5) inch caliper each, with five (5) trucks maximum.