How many chill hours does 85141 get?

85141 averages 494 chill hours per winter, ranging from 247 to 741 across the last 10 years.

What hardiness zone is 85141?

85141 is in USDA hardiness zone 9a.

Location almanac

The short answer

85141 averages 494 chill hours per winter (247–741 across 10 years) in USDA zone 9a.

85141 climate
Average chill hours	494 (247–741 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically January 12 – February 17
First fall frost	typically December 15 – December 29

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 85141’s chill hours and zone:

Chill and zone requirements are comfortably met in 85141.

Show 36 more good fit varieties

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

How many chill hours does 85141 get?: 85141 averages 494 chill hours per winter, ranging from 247 to 741 across the last 10 years.
What hardiness zone is 85141?: 85141 is in USDA hardiness zone 9a.

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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