How many chill hours does 85622 get?

85622 averages 746 chill hours per winter, ranging from 433 to 993 across the last 10 years.

What hardiness zone is 85622?

85622 is in USDA hardiness zone 9a.

Location almanac

The short answer

85622 averages 746 chill hours per winter (433–993 across 10 years) in USDA zone 9a.

85622 climate
Average chill hours	746 (433–993 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically January 28 – February 24
First fall frost	typically December 2 – 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 85622’s chill hours and zone:

Chill and zone requirements are comfortably met in 85622.

Show 66 more good fit varieties

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

How many chill hours does 85622 get?: 85622 averages 746 chill hours per winter, ranging from 433 to 993 across the last 10 years.
What hardiness zone is 85622?: 85622 is in USDA hardiness zone 9a.

Growing fruit trees in 85622? 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