How many chill hours does 85601 get?

85601 averages 768 chill hours per winter, ranging from 408 to 1030 across the last 10 years.

What hardiness zone is 85601?

85601 is in USDA hardiness zone 8b.

Location almanac

The short answer

85601 averages 768 chill hours per winter (408–1,030 across 10 years) in USDA zone 8b.

85601 climate
Average chill hours	768 (408–1,030 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically January 28 – March 3
First fall frost	typically December 1 – 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 85601’s chill hours and zone:

Chill and zone requirements are comfortably met in 85601.

Show 103 more good fit varieties

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

How many chill hours does 85601 get?: 85601 averages 768 chill hours per winter, ranging from 408 to 1030 across the last 10 years.
What hardiness zone is 85601?: 85601 is in USDA hardiness zone 8b.

Growing fruit trees in 85601? Get a care calendar anchored to this exact climate, with email reminders.

[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