How many chill hours does 85635 get?

85635 averages 983 chill hours per winter, ranging from 641 to 1254 across the last 10 years.

What hardiness zone is 85635?

85635 is in USDA hardiness zone 8b.

Location almanac

The short answer

85635 averages 983 chill hours per winter (641–1,254 across 10 years) in USDA zone 8b.

85635 climate
Average chill hours	983 (641–1,254 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically February 5 – March 14
First fall frost	typically November 17 – December 17

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 85635’s chill hours and zone:

Chill and zone requirements are comfortably met in 85635.

Show 127 more good fit varieties

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

Marginal varieties for this location
Variety	Fruit
Rome Beauty	Apple
Reliance	Peach

How many chill hours does 85635 get?: 85635 averages 983 chill hours per winter, ranging from 641 to 1254 across the last 10 years.
What hardiness zone is 85635?: 85635 is in USDA hardiness zone 8b.

Growing fruit trees in 85635? 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