Phoenix, AZ planting zone & frost dates
Phoenix is in USDA hardiness zone 10a. Frost is rare here: in most years temperatures do not drop to 32°F.
Useful for zone 10a gardens
- Drip irrigation kit — saves water in long, hot seasons
- Shade cloth — protects plants from midday sun
- Soil moisture meter
- Plants for zone 10
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Hardiness zone by ZIP code in Phoenix
- 85001 zone 10a
- 85002 zone 10a
- 85003 zone 10a
- 85004 zone 10a
- 85005 zone 10a
- 85006 zone 10a
- 85007 zone 10a
- 85008 zone 10a
- 85009 zone 10a
- 85010 zone 10a
- 85011 zone 10a
- 85012 zone 10a
- 85013 zone 9b
- 85014 zone 10a
- 85015 zone 9b
- 85016 zone 10a
- 85017 zone 9b
- 85018 zone 10a
- 85019 zone 9b
- 85020 zone 10a
- 85021 zone 9b
- 85022 zone 9b
- 85023 zone 9b
- 85024 zone 10a
- 85026 zone 10a
- 85027 zone 10a
- 85028 zone 10a
- 85029 zone 9b
- 85030 zone 10a
- 85031 zone 9b
- 85032 zone 9b
- 85033 zone 9b
- 85034 zone 10a
- 85035 zone 9b
- 85036 zone 10a
- 85037 zone 9b
- 85038 zone 10a
- 85039 zone 10a
- 85040 zone 10a
- 85041 zone 10a
- 85042 zone 10a
- 85043 zone 9b
- 85044 zone 10a
- 85045 zone 10a
- 85046 zone 9b
- 85048 zone 9b
- 85050 zone 10a
- 85051 zone 9b
- 85053 zone 9b
- 85054 zone 9b
- 85060 zone 10a
- 85061 zone 9b
- 85062 zone 10a
- 85063 zone 9b
- 85064 zone 10a
- 85065 zone 10a
- 85066 zone 9b
- 85067 zone 10a
- 85068 zone 10a
- 85069 zone 9b
- 85070 zone 9b
- 85071 zone 9b
- 85072 zone 10a
- 85073 zone 10a
- 85074 zone 10a
- 85075 zone 9b
- 85076 zone 9b
- 85078 zone 9b
- 85079 zone 9b
- 85080 zone 10a
- 85082 zone 10a
- 85083 zone 9b
- 85085 zone 9b
- 85086 zone 9b
Nearby cities
- Tempe Junction zone 9b, last frost Feb 13
- Glendale zone 9b, last frost Jan 20
- Paradise Valley zone 10a, last frost Jan 6
- Tempe zone 10a, last frost Feb 13
- Scottsdale zone 10a, last frost Feb 13
- Peoria zone 9b, last frost Jan 20
- Sun City zone 9b, last frost Jan 20
- Mesa zone 9b, last frost Feb 13
Questions
What growing zone is Phoenix, AZ?
Phoenix is in USDA Plant Hardiness Zone 10a (average extreme winter low 30°F to 35°F), according to the USDA 2023 map. Some ZIP codes of the city fall in zone 9b.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Phoenix Sky Harbor Intl Ap, AZ (USW00023183), 6.9 km (4.3 mi) from the city center, elevation 337 m, based on 29 years of records. Hardiness zone: USDA Plant Hardiness Zone Map 2023 for the ZIP code nearest to the city center. Microclimates (valleys, hills, cities, coasts) can be warmer or colder: check the local forecast before planting. How we calculate the data.