How many chill hours does 85356 get?

85356 averages 188 chill hours per winter, ranging from 132 to 259 across the last 10 years.

What hardiness zone is 85356?

85356 is in USDA hardiness zone 9b.

Location almanac

The short answer

85356 averages 188 chill hours per winter (132–259 across 10 years) in USDA zone 9b.

85356 climate
Average chill hours	188 (132–259 across 10 winters)
USDA hardiness zone	9b

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 85356’s chill hours and zone:

Chill and zone requirements are comfortably met in 85356.

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

How many chill hours does 85356 get?: 85356 averages 188 chill hours per winter, ranging from 132 to 259 across the last 10 years.
What hardiness zone is 85356?: 85356 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