10 planting zones in Arizona on Map

There are 10 planting zones in Arizona, from zone 5b to zone 10a according to the USDA’s latest official data.

Arizona’s planting zones show a gradient from the high-elevation northern regions to the low-elevation southern and western areas, reflecting the state’s diverse topography and climate.

Zone 5b, the coldest, is found in the high-altitude areas, while zones 6a and 6b cover northern and central highlands. Zones 7a and 7b covers the central and northeastern parts of the state.

The warmer zones 8a and 8b cover the central and southern regions, with zones 9a and 9b extending into the southwestern deserts. Zone 10a, the warmest, is limited to the southwestern corner along the Colorado River.

You can find your USDA planting zone in Arizona, either by your zip code or by your city name, using our zip code-based Planting zone search tool or City based interactive Planting Zone map for Arizona respectively.

Search Arizona Planting Zones by ZipCode

Planting Zones Arizona Map

Please select or type the name of your city in the selection box below. You can also toggle map view by using layers option, top right corner button in mapview.

What are the 10 planting zones in Arizona?

1. Zone 5b

This zone, shown in purple color on the map above, covers the coldest regions of Arizona. With average annual minimum temperatures ranging from -15°F to -10°F (-26.1°C to -23.3°C), it includes high-elevation areas such as Bellemont. This zone experience harsh winters, making it suitable for cold-hardy plants.

2. Zone 6a

Shown in blue color on our map, Zone 6a covers areas with average annual minimum temperatures between -10°F to -5°F (-23.3°C to -20.6°C). This zone have cities like Eagar, Flagstaff, and Greer. These regions are characterized by their high altitudes and cooler climates, suitable for plants that can withstand moderate cold.

3. Zone 6b

This zone, shown in dark teal color on the map above, covers regions with average annual minimum temperatures ranging from -5°F to 0°F (-20.6°C to -17.8°C). It includes cities like Alpine, Clay Springs, and Springerville. Areas in this zone experience cold winters but slightly milder than Zone 6a, allowing for a wider variety of cold-tolerant plants.

4. Zone 7a

The teal color areas on our map, Zone 7a covers areas with average annual minimum temperatures between 0°F to 5°F (-17.8°C to -15°C). This zone includes cities like Holbrook and Winslow. These 7a regions, have cold winters but are suitable for a variety of hardy plants that can tolerate freezing temperatures.

5. Zone 7b

This zone, shown in dark green color on the map, covers areas with average annual minimum temperatures ranging from 5°F to 10°F (-15°C to -12.2°C). It have cities such as Cameron, Prescott, and Tuba City. These regions experience milder winters compared to Zone 7a, making them suitable for a broader range of plants.

6. Zone 8a

The light green color areas on the map above, Zone 8a covers areas with average annual minimum temperatures between 10°F to 15°F (-12.2°C to -9.4°C). This zone includes cities like Douglas, Prescott Valley, and part of Willcox. Zone 8a regions have relatively mild winters, allowing for the cultivation of many temperate plants.

7. Zone 8b

This zone, shown in green color on the map, covers areas with average annual minimum temperatures ranging from 15°F to 20°F (-9.4°C to -6.7°C). It have cities such as Bisbee, Kingman, and Sierra Vista. These regions experience mild winters and so are suitable for a wide variety of plants, including some subtropical species.

8. Zone 9a

Depicted in yellowish green color on our map, Zone 9a covers areas with average annual minimum temperatures between 20°F to 25°F (-6.7°C to -3.9°C). This zone includes cities such as Casa Grande and Maricopa. Warm winters in this zone are ideal for growing many subtropical and tropical species.

9. Zone 9b

This zone, shown in light yellow color on the map, covers areas with average annual minimum temperatures ranging from 25°F to 30°F (-3.9°C to -1.1°C). It includes cities such as Apache Junction, Chandler, and part of Phoenix. Mild winters of this zone are suitable for heat-loving plants.

10. Zone 10a

Lastly the dark purple color on our map, Zone 10a covers the warmest regions of Arizona with average annual minimum temperatures between 30°F to 35°F (-1.1°C to 1.7°C). This zone have cities such as Bullhead City, Lake Havasu City, and Yuma. With extremely mild winters, it is ideal for growing tropical and subtropical plants that cannot tolerate frost.

Planting Zones in Arizona with Cities

USDA Hardiness zones of Arizona cities. Source of data: USDA -2023

Planting Zones in Arizona	Temp Range (°F)	Cities
10a	30 to 35	Bullhead City, Gadsden, Glendale, Lake Havasu City, Mesa, Paradise Valley, Phoenix, San Luis, Scottsdale, Somerton, Tempe, Yuma
9b	25 to 30	Ajo, Apache Junction, Arlington, Avondale, Bapchule, Buckeye, Bullhead City, Carefree, Cashion, Cave Creek, Chandler, Cibola, Cortaro, Dateland, Ehrenberg, El Mirage, Florence, Fort Mcdowell, Fort Mohave, Fountain Hills, Gila Bend, Gilbert, Glendale, Gold Canyon, Goodyear, Higley, Kearny, Laveen, Litchfield Park, Luke Afb, Lukeville, Marana, Mesa, Mohave Valley, Morristown, New River, Oatman, Palo Verde, Parker, Peoria, Phoenix, Quartzsite, Queen Creek, Rillito, Rio Verde, Roll, Roosevelt, Scottsdale, Sun City, Sun City West, Superior, Surprise, Tacna, Tempe, Temple Bar Marina, Tolleson, Tonopah, Topock, Tucson, Waddell, Wellton, Wikieup, Willow Beach, Wittmann, Youngtown
9a	20 to 25	Aguila, Arizona City, Bagdad, Black Canyon City, Bouse, Casa Grande, Catalina, Claypool, Congress, Coolidge, Dolan Springs, Eloy, Globe, Golden Valley, Green Valley, Hayden, Mammoth, Maricopa, Meadview, Mohave Valley, Oracle, Oro Valley, Peridot, Picacho, Poston, Quartzsite, Red Rock, Sacaton, Sahuarita, Salome, San Carlos, San Manuel, Sells, Stanfield, Tonto Basin, Topawa, Tucson, Vail, Wenden, Wickenburg, Winkelman, Yucca, Yuma
8b	15 to 20	Amado, Arivaca, Benson, Bisbee, Bowie, Bylas, Camp Verde, Central, Chloride, Clarkdale, Cochise, Cornville, Cottonwood, Dragoon, Eden, Elfrida, Fort Huachuca, Fort Thomas, Hereford, Huachuca City, Hualapai, Jerome, Kingman, Kirkland, Littlefield, Mayer, Mc Neal, Morenci, Mount Lemmon, Naco, Nogales, Payson, Pima, Pomerene, Rio Rico, Safford, Saint David, Sasabe, Sedona, Sierra Vista, Solomon, Thatcher, Tombstone, Tubac, Tucson, Tumacacori, Willcox, Yarnell
8a	10 to 15	Blue, Chino Valley, Clifton, Crown King, Dewey, Douglas, Duncan, Elgin, Hackberry, Humboldt, Lake Montezuma, Miami, Patagonia, Paulden, Payson, Peach Springs, Pearce, Pine, Pirtleville, Prescott Valley, Rimrock, San Simon, Skull Valley, Sonoita, Valentine, Willcox, Young
7a	0 to 5	Ash Fork, Blue Gap, Chambers, Chinle, Cibecue, Concho, Dennehotso, Flagstaff, Fredonia, Grand Canyon, Happy Jack, Heber, Holbrook, Hotevilla, Indian Wells, Joseph City, Kayenta, Kykotsmovi Village, Leupp, Lukachukai, Many Farms, Munds Park, Petrified Forest Natl Pk, Polacca, Red Valley, Rock Point, Round Rock, Second Mesa, Seligman, Shonto, Show Low, Snowflake, Sun Valley, Supai, Taylor, Teec Nos Pos, Tonalea, Tsaile, White Mountain Lake, Whiteriver, Williams, Winslow, Woodruff
6b	-5 to 0	Alpine, Clay Springs, Flagstaff, Forest Lakes, Fort Defiance, Ganado, Gray Mountain, Houck, Keams Canyon, Lakeside, Lupton, Mcnary, Mormon Lake, Nazlini, North Rim, Nutrioso, Overgaard, Parks, Pinedale, Pinetop, Pinon, Saint Johns, Sanders, Springerville, Vernon, Window Rock
6a	-10 to -5	Eagar, Flagstaff, Greer, Saint Michaels
7b	5 to 10	Cameron, Colorado City, Fort Apache, Kaibito, Marble Canyon, Page, Prescott, Prescott Valley, Tuba City
5b	-15 to -10	Bellemont

Best plants for Arizona?

Some of the best plants for hardiness zones in Arizona are:

1. Zone 5b: Quaking Aspen (Populus tremuloides)
2. Zone 6a: Western Hackberry (Celtis reticulata)
3. Zone 6b: Alligator Juniper (Juniperus deppeana)
4. Zone 7a: Ponderosa Pine (Pinus ponderosa)
5. Zone 7b: Arizona Cypress (Cupressus arizonica)
6. Zone 8a: Desert Willow (Chilopsis linearis)
7. Zone 8b: Mexican Fan Palm (Washingtonia robusta)
8. Zone 9a: Saguaro Cactus (Carnegiea gigantea)
9. Zone 9b: Blue Palo Verde (Parkinsonia florida)
10. Zone 10a: Date Palm (Phoenix dactylifera)