§ 17.52.410. Low water use plants, minimum size of trees, shrubs, etc., and substitution of cover for shrubs.
Latest version.
A. In order to conserve water, all plant materials installed shall be listed on the low water use plant list as adopted in Table 17.52.410 and may be amended, by the city of Casa Grande, or as approved by planning and zoning commission at the time of review. Any plants located in public rights-of-way must be listed on the plant list.
B. Unless otherwise specified herein, all required trees shall be a minimum of fifteen gallons in size. All shrubs shall be a minimum of one gallon in size. All fifteen gallon trees must be a minimum of six to eight feet in height, three to four feet in spread and three-quarters to one and one-quarter-inches trunk caliper at ground level. Upon approval of the director, the installation of twenty square feet of vegetative groundcover in any landscaped area may substitute for one required shrub, up to a maximum of thirty percent of the required shrubs in any particular landscaped area.
B. All Mexican Fan Palms (Washington Robusta) and California Fan Palms (Washingtonia Filifera) shall have a minimum five foot trunk height measured from the base of the trunk to the base of the fronds when located within the public fight-of-way or within twenty-five feet of the street property line.
TABLE 17.52.410 City of Casa Grande Low Water Use Plant List
In order to promote water conservation, all plant material installed due to the landscaping requirements of Chapter 17, Article VI of the Municipal Code must be used from the list below. The city of Casa Grande gratefully acknowledges the Arizona Department of Water Resources — Pinal Active Management Area for the development of this list.
A. Trees
Botanical NameCommon Name
Acacia spp. Acacia/Wattle
Agonis flexuosa West Australia Peppermint
Brachychiton populneus Bottle Tree
Brahea spp.
Bursera spp.
Caesalpinia spp.
Callistemon viminalis Weeping Bottle Brush
Casuarina spp.
Celtis reticulata Western Hackberry
Ceratonia siliqua St. John's Bread Tree/Carob Tree
Cercidium spp.
Chamaerops humilis Mediterranean Fan Palm
Chilopsis linearis Desert Willow
Cupressus arizonica Arizona Cypress
Cupressus sempervirens Italian Cypress
Dahlbergia sissoo Sissoo Tree
Dalea spp.
Eucalyptus spp.
Forchammeria watsonii
Geijera parviflora Australian Willow
Gleditsia triacanthos Honey Locust
Leucaena retusa Golden Ball Lead Tree
Lysiloma spp.
Olea Europaea “Swan Hill” Swan Hill Olive (or other non-pollen producing olive trees)
