Phoenix City Code Chapter 39, Sec. 39-7D
Property owners are responsible for keeping their properties, and the adjacent rights of way, free of dead or dried vegetation (weeds, tall grass, tumbleweeds, shrubs, trees, palm fronds, etc). All dead or dried vegetation must be removed and disposed of properly. Property owners are also responsible for assuring that grass and weeds on their property and in the adjacent rights of way do not exceed six inches in height.
