How many chill hours does 85342 get?

85342 averages 748 chill hours per winter, ranging from 415 to 1084 across the last 10 years.

What hardiness zone is 85342?

85342 is in USDA hardiness zone 9b.

Location almanac

The short answer

85342 averages 748 chill hours per winter (415–1,084 across 10 years) in USDA zone 9b.

85342 climate
Average chill hours	748 (415–1,084 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically January 27 – February 25
First fall frost	typically November 30 – December 22

Computed from 10 winters of ERA5 hourly temperature (Open-Meteo, 2015–2025); zones from USDA PHZM 2023. Data updated July 3, 2026. See methodology.

Every variety in our database, checked against 85342’s chill hours and zone:

Chill and zone requirements are comfortably met in 85342.

Show 66 more good fit varieties

Possible in a good year or a favorable microclimate — click through for the caveats.

How many chill hours does 85342 get?: 85342 averages 748 chill hours per winter, ranging from 415 to 1084 across the last 10 years.
What hardiness zone is 85342?: 85342 is in USDA hardiness zone 9b.

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[1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
[2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026