How many chill hours does 85613 get?

85613 averages 1523 chill hours per winter, ranging from 1095 to 1872 across the last 10 years.

What hardiness zone is 85613?

85613 is in USDA hardiness zone 8b.

Location almanac

The short answer

85613 averages 1,523 chill hours per winter (1,095–1,872 across 10 years) in USDA zone 8b.

85613 climate
Average chill hours	1,523 (1,095–1,872 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically March 15 – April 13
First fall frost	typically November 4 – December 7

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 85613’s chill hours and zone:

Chill and zone requirements are comfortably met in 85613.

Show 129 more good fit varieties

How many chill hours does 85613 get?: 85613 averages 1523 chill hours per winter, ranging from 1095 to 1872 across the last 10 years.
What hardiness zone is 85613?: 85613 is in USDA hardiness zone 8b.

Growing fruit trees in 85613? 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