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 The City of Rancho Cucamonga provides for the full and continual maintenance of more than 72,000 trees located at city facilities, city parks, city landscaped sites, and within the public right of way at single family residences. Trees that are located outside the right of way at single family residences are the responsibility of the property owner.
The trees maintained by the City of Rancho Cucamonga are pruned by Certified Arborists who follow the pruning methods prescribed by the International Society of Arboriculture (ISA). The main purpose for pruning is to encourage proper branch structure, provide sufficient clearance for pedestrians and motor vehicles, and to eradicate dead, damaged and diseased branches.
The City prunes no more than 25% of a tree’s foliage during a given cycle and Live Oak trees have no more than 10% of their foliage pruned; this amount may decrease depending on the health and vigor of the tree. When pruned, the tree’s natural structure is preserved whenever possible. Trees are not pruned to alleviate leaf drop or to provide views.
Tree pruning schedules are based on cycles. The pruning cycle may vary due to species requirement, budget, and health of the trees. Due to differing growth rates and habits between tree species, or for various health concerns, the City employs a Target pruning method wherein each tree that is located in an area scheduled for pruning is evaluated individually for its pruning requirements.
The City may also prune intermittently when necessary to alleviate an obstruction caused by low branches, or for any safety related issue.
The City may, upon request, plant a tree in the City right of way adjacent to a single family residence subject to the following conditions:
- The soil is at the proper grade
- There is a functioning irrigation system
- The soil is not saturated or arid
| - Ivy is not located in close proximity to the planting site
- There is sufficient spacing from other trees, utilities, street lights, street corners, or other structures
| Property owners may not plant trees in the City right of way. Many species are not suitable for planting in the public right of way, especially due to the limited space provided in urban environments. The City will designate a species best suited for the area, based upon site conditions and climate zone compatibility. Other information regarding prevalent disease or insect problems associated with trees are always being monitored and for this reason some species are not approved. The City also prefers a professional planting design and uniformity of species along a street or in city landscaped sites.
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