How many chill hours does 85756 get?

85756 averages 576 chill hours per winter, ranging from 292 to 812 across the last 10 years.

What hardiness zone is 85756?

85756 is in USDA hardiness zone 9a.

Location almanac

The short answer

85756 averages 576 chill hours per winter (292–812 across 10 years) in USDA zone 9a.

85756 climate
Average chill hours	576 (292–812 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically January 23 – February 27
First fall frost	typically December 1 – 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 85756’s chill hours and zone:

Chill and zone requirements are comfortably met in 85756.

Show 48 more good fit varieties

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

Show 7 more marginal varieties

How many chill hours does 85756 get?: 85756 averages 576 chill hours per winter, ranging from 292 to 812 across the last 10 years.
What hardiness zone is 85756?: 85756 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