How many chill hours does 85716 get?

85716 averages 527 chill hours per winter, ranging from 267 to 731 across the last 10 years.

What hardiness zone is 85716?

85716 is in USDA hardiness zone 9b.

Location almanac

The short answer

85716 averages 527 chill hours per winter (267–731 across 10 years) in USDA zone 9b.

85716 climate
Average chill hours	527 (267–731 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically January 23 – February 25
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 85716’s chill hours and zone:

Chill and zone requirements are comfortably met in 85716.

Show 48 more good fit varieties

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

How many chill hours does 85716 get?: 85716 averages 527 chill hours per winter, ranging from 267 to 731 across the last 10 years.
What hardiness zone is 85716?: 85716 is in USDA hardiness zone 9b.

Growing fruit trees in 85716? 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