Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Arizona planting zones

Arizona spans USDA zones 5b to 10a on the 2023 map; the most common is 9b. The typical last spring frost is around Mar 26 and the first fall frost around Nov 17.

Zone map of Arizona

Outside Arizona is dimmed · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

ZIP codes per zone

5b−15 to −10 °F16a−10 to −5 °F66b−5 to 0 °F267a0 to 5 °F447b5 to 10 °F158a10 to 15 °F298b15 to 20 °F609a20 to 25 °F679b25 to 30 °F20310a30 to 35 °F71

At a glance

ZIP codes522
Zones5b–10a
Typical last frostMar 26
Typical first frostNov 17

Largest cities in Arizona

Phoenix9b 10a
Frost rare · 74 ZIPs
Tucson8b 9a 9b
Frost rare · 53 ZIPs
Mesa9b 10a
Last frost Feb 13 · first Dec 5 · 19 ZIPs
Scottsdale9b 10a
Last frost Feb 13 · first Dec 5 · 15 ZIPs
Glendale9b 10a
Frost rare · 12 ZIPs
Chandler9b
Last frost Feb 13 · first Dec 5 · 8 ZIPs
Gilbert9b
Last frost Feb 1 · first Dec 11 · 7 ZIPs
Tempe9b 10a
Last frost Feb 13 · first Dec 5 · 7 ZIPs
Peoria9b
Frost rare · 6 ZIPs
Prescott7b
Last frost Apr 30 · first Oct 20 · 6 ZIPs
Flagstaff6a 6b 7a
Last frost Jun 4 · first Sep 28 · 5 ZIPs
Sedona8b
Last frost Apr 1 · first Nov 17 · 5 ZIPs

Arizona extremes

From the 2023 zone data and NOAA 1991–2020 normals of the nearest station. One entry per town.

Mildest winters

highest zone

  1. Phoenix 8500110a
  2. Mesa 8520210a
  3. Paradise Valley 8525310a
  4. Scottsdale 8525410a
  5. Tempe 8528210a
  6. Glendale 8531010a

Coldest winters

lowest zone

  1. Bellemont 860155b
  2. Eagar 859256a
  3. Greer 859276a
  4. Flagstaff 860016a
  5. Saint Michaels 865116a
  6. Alpine 859206b

Longest growing season

median frost-free days

  1. Arlington 85322327 d
  2. Tonopah 85354327 d
  3. Vail 85641326 d
  4. Tucson 85710326 d
  5. Cibola 85328325 d
  6. Dateland 85333324 d

Shortest growing season

median frost-free days

  1. Bellemont 8601585 d
  2. Parks 8601885 d
  3. Flagstaff 8600494 d
  4. Alpine 8592096 d
  5. Nutrioso 8593296 d
  6. Munds Park 86017106 d

Wettest

precipitation per year

  1. Forest Lakes 8593134.3 in
  2. Mormon Lake 8603828 in
  3. Greer 8592726.3 in
  4. Lukachukai 8650726 in
  5. Red Valley 8654426 in
  6. Round Rock 8654726 in

Snowiest

snowfall per year

  1. North Rim 86052126 in
  2. Flagstaff 8600590 in
  3. Munds Park 8601777 in
  4. Bellemont 8601573 in
  5. Lakeside 8592970 in
  6. Pinetop 8593570 in

Hottest summers

days at 90 °F or more

  1. Yuma 85364195 d
  2. Buckeye 85326192 d
  3. Gila Bend 85337192 d
  4. Cibola 85328188 d
  5. Roll 85347188 d
  6. Tacna 85352188 d

All places in Arizona

A

Aguila · Ajo · Alpine · Amado · Apache Junction · Arivaca · Arizona City · Arlington · Ash Fork · Avondale

B

Bagdad · Bapchule · Bellemont · Benson · Bisbee · Black Canyon City · Blue · Blue Gap · Bouse · Bowie · Buckeye · Bullhead City · Bylas

C

Cameron · Camp Verde · Carefree · Casa Grande · Cashion · Catalina · Cave Creek · Central · Chambers · Chandler · Chandler Heights · Chinle · Chino Valley · Chloride · Cibecue · Cibola · Clarkdale · Clay Springs · Claypool · Clifton · Cochise · Colorado City · Concho · Congress · Coolidge · Cornville · Cortaro · Cottonwood · Crown King

D

Dateland · Dennehotso · Dewey · Dolan Springs · Douglas · Dragoon · Duncan

E

Eagar · Eden · Ehrenberg · El Mirage · Elfrida · Elgin · Eloy

F

Flagstaff · Florence · Forest Lakes · Fort Apache · Fort Defiance · Fort Huachuca · Fort Mcdowell · Fort Mohave · Fort Thomas · Fountain Hills · Fredonia

G

Gadsden · Ganado · Gila Bend · Gilbert · Glendale · Globe · Gold Canyon · Golden Valley · Goodyear · Grand Canyon · Gray Mountain · Green Valley · Greer

H

Hackberry · Happy Jack · Hayden · Heber · Hereford · Higley · Holbrook · Hotevilla · Houck · Huachuca City · Hualapai · Humboldt

I

Indian Wells

J

Jerome · Joseph City

K

Kaibeto · Kayenta · Keams Canyon · Kearny · Kingman · Kirkland · Kykotsmovi Village

L

Lake Havasu City · Lake Montezuma · Lakeside · Laveen · Leupp · Litchfield Park · Littlefield · Lukachukai · Luke Air Force Base · Lukeville · Lupton

M

Mammoth · Many Farms · Marana · Marble Canyon · Maricopa · Mayer · Mc Neal · Mcnary · Meadview · Mesa · Miami · Mohave Valley · Morenci · Mormon Lake · Morristown · Mount Lemmon · Munds Park

N

Naco · Nazlini · New River · Nogales · North Rim · Nutrioso

O

Oatman · Oracle · Overgaard

P

Page · Palo Verde · Paradise Valley · Parker · Parks · Patagonia · Paulden · Payson · Peach Springs · Pearce · Peoria · Peridot · Petrified Forest Natl Pk · Phoenix · Picacho · Pima · Pine · Pinedale · Pinetop · Pinon · Pirtleville · Polacca · Pomerene · Poston · Prescott · Prescott Valley

Q

Quartzsite · Queen Creek

R

Red Rock · Red Valley · Rillito · Rimrock · Rio Rico · Rio Verde · Rock Point · Roll · Roosevelt · Round Rock

S

Sacaton · Safford · Sahuarita · Saint David · Saint Johns · Saint Michaels · Salome · San Carlos · San Luis · San Manuel · San Simon · San Tan Valley · Sanders · Sasabe · Scottsdale · Second Mesa · Sedona · Seligman · Sells · Shonto · Show Low · Sierra Vista · Skull Valley · Snowflake · Solomon · Somerton · Sonoita · Springerville · Stanfield · Sun City · Sun City West · Sun Valley · Supai · Superior · Surprise

T

Tacna · Taylor · Teec Nos Pos · Tempe · Temple Bar Marina · Thatcher · Tolleson · Tombstone · Tonalea · Tonopah · Tonto Basin · Topawa · Topock · Tortilla Flat · Tsaile · Tuba City · Tubac · Tucson · Tumacacori

V

Vail · Valentine · Valley Farms · Vernon

W

Waddell · Wellton · Wenden · White Mountain Lake · Whiteriver · Wickenburg · Wikieup · Willcox · Williams · Willow Beach · Window Rock · Winkelman · Winslow · Wittmann · Woodruff

Y

Yarnell · Young · Youngtown · Yucca · Yuma

Questions

What planting zones are in Arizona?

Arizona spans USDA hardiness zones 5b to 10a on the 2023 map. The most common zone is 9b (203 of 522 ZIP codes).

When is the last frost in Arizona?

Across Arizona, the median last spring frost ranges from about Jan 21 to Jun 21 depending on location; the typical ZIP code sees it around Mar 26. Look up your ZIP code for a local date.