How many chill hours does 85263 get?

85263 averages 1125 chill hours per winter, ranging from 627 to 1592 across the last 10 years.

What hardiness zone is 85263?

85263 is in USDA hardiness zone 9b.

Location almanac

The short answer

85263 averages 1,125 chill hours per winter (627–1,592 across 10 years) in USDA zone 9b.

85263 climate
Average chill hours	1,125 (627–1,592 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically February 7 – March 17
First fall frost	typically November 14 – 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 85263’s chill hours and zone:

Chill and zone requirements are comfortably met in 85263.

Show 87 more good fit varieties

How many chill hours does 85263 get?: 85263 averages 1125 chill hours per winter, ranging from 627 to 1592 across the last 10 years.
What hardiness zone is 85263?: 85263 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