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Landscaping Rules in Phoenix, AZ (2026)

9 verified landscaping rules for Phoenix, Arizona, sourced directly from the municipal code and official government pages.

Verified from official government sources

Grass Height Limits

Phoenix City Code Sec. 39-7(D) (Neighborhood Preservation Ordinance) requires premises to be kept free of lawn grass higher than six inches, along with tumbleweeds, dry vegetation, and weeds over six inches that present blight or a fire hazard.

Lawn grass may not exceed six inches

Heavy Restrictions

Phoenix City Code Sec. 39-7(D) (Exterior premises and vacant land; Neighborhood Preservation Ordinance)

D. Weeds, bushes, trees and other vegetation. All exterior property areas shall be kept free from dry vegetation, tumbleweeds, weeds, bushes and tall grass and trees which present a visual blight upon the area, which may harbor insect or rodent infestations and dry vegetation, or which may likely become a fire hazard or result in a condition which may threaten the health and safety or the econo...

Tree Trimming

Phoenix City Code Sec. 23-32 makes it unlawful to let trees, shrubs or bushes growing on your property interfere with traffic signs, pedestrians, bicyclists, vehicles, or drainage in any public right-of-way, and Sec. 31-13 limits obstructions in the sight-visibility triangle at residential intersections.

Trees must be trimmed clear of sidewalks and traffic views

Some Restrictions

Phoenix City Code Sec. 23-32 (Encroachment of trees, shrubs or bushes prohibited)

Sec. 23-32. ENCROACHMENT OF TREES, SHRUBS OR BUSHES PROHIBITED. It is unlawful for any person to allow trees, shrubs or bushes growing on their property to interfere with traffic signs or signals, or with the passage of pedestrians, bicyclists, vehicles, or flow of drainage water on any public right-of-way or easement. Where such interferences are with a traffic sign or signal, or the passage o...

Tree Removal & Heritage Trees

Phoenix Municipal Code Chapter 34 and the Tree and Shade Ordinance require permits for removing trees over 6 inches in diameter. Protected species include native trees such as palo verde, mesquite, and ironwood. Arizona law requires the Department of Agriculture to be notified 20-60 days before destroying protected native plants.

Phoenix Tree Regulations

Some Restrictions

Weed Ordinances

Phoenix City Code Sec. 39-7(D) bars weeds higher than six inches and tumbleweeds on any premises, and Sec. 31-10 requires owners to keep abutting sidewalks, alleys, and streets free of overgrown vegetation and weeds, with civil sanctions up to $2,500.

Weeds over six inches and tumbleweeds prohibited

Heavy Restrictions

Phoenix City Code Sec. 31-10 (Removal of debris, rubbish, weeds, overgrown or dead vegetation)

Sec. 31-10. Removal of debris, rubbish, weeds, overgrown or dead vegetation, and other unhealthy or unsafe conditions on streets, alleys and sidewalks; notice to abate; penalties. (a) The owner, lessee or other person in control of any land abutting a sidewalk, alley, or street shall maintain such sidewalk, alley, or street on which such land abuts in a clean condition in such a manner as to be...

Water Restrictions

Phoenix has no fixed day-of-week outdoor watering schedule; instead, Phoenix City Code Chapter 37 (sections 37-126 through 37-130, the Drought Management Plan) authorizes the Water Services Director to declare progressive drought stages, and watering restrictions become mandatory only at Stage 2 (Water Warning) or higher. Turf in the public right-of-way is banned under Arizona state law.

Drought-stage watering rules; turf banned in right-of-way

Some Restrictions

Phoenix City Code sec. 37-126 (Stage 1-Water alert), Drought Management Plan, Ord. No. G-6741

37-126 Stage 1-Water alert. A. The Director may declare a Stage 1 Water Alert when an insufficient water supply appears likely due to water system or supply limitations or structural failure, or when a catastrophic incident threatens the existing water supply or water delivery system. The declaration may designate the entire City service area or a portion of the service area, if the shortage is...

Rainwater Harvesting

Arizona encourages rainwater harvesting and Phoenix places no permit requirements on residential rainwater collection systems. The city has offered rebate programs for water-saving landscaping improvements. Rainwater harvesting is recommended in conjunction with native, low-water-use plants for desert landscaping.

Phoenix Rainwater Harvesting Rules

Few Restrictions

Native Plants

Section 39 of the Phoenix Neighborhood Preservation Ordinance prohibits planting pollen varieties of Olive and Mulberry trees, and noxious or invasive species on the University of Arizona Non-native Invasive Plants of Arizona list may not be planted; Zoning Ordinance Section 1309 (Table 1309.3) lists additional prohibited plants.

Pollen Olive and Mulberry trees and noxious species banned

Some Restrictions

City of Phoenix Neighborhood Preservation Ordinance Section 39; Zoning Ordinance Section 1309E.1 (Landscape FAQ TRT/DOC/00189)

Pollen varieties of Olive Trees and Mulberry Trees are prohibited by Section 39 of the city of Phoenix Neighborhood Preservation Ordinance. ... Existing Olive or Mulberry trees were likely planted prior to the ordinance that was put into effect to minimize the planting of new pollen varieties and are therefore grandfathered into the site and can remain. ... See Section 1309E.1 Table 1309.3 for ...

Artificial Turf

Phoenix does not prohibit artificial turf and it is commonly used as a water-conserving alternative to natural grass. Artificial turf is not counted against the turf percentage limits in Zoning Ordinance §1309 since those limits target high-water-use plants. HOAs cannot unreasonably restrict drought-friendly landscaping under Arizona state law.

Phoenix Artificial Turf & Xeriscape

Few Restrictions

Composting

Backyard composting is permitted in Phoenix. The city's hot, arid climate requires enclosed bins. Must not create nuisance conditions.

Phoenix Composting Rules

Few Restrictions

Looking for Maricopa County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Phoenix city rules.

Landscaping Rules in Maricopa County