How many chill hours does 83602 get?

83602 averages 1441 chill hours per winter, ranging from 818 to 1850 across the last 10 years.

What hardiness zone is 83602?

83602 is in USDA hardiness zone 7a.

Location almanac

The short answer

83602 averages 1,441 chill hours per winter (818–1,850 across 10 years) in USDA zone 7a.

83602 climate
Average chill hours	1,441 (818–1,850 across 10 winters)
USDA hardiness zone	7a
Last spring frost	typically May 2 – June 19
First fall frost	typically September 29 – October 23

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 83602’s chill hours and zone:

Chill and zone requirements are comfortably met in 83602.

Show 131 more good fit varieties

How many chill hours does 83602 get?: 83602 averages 1441 chill hours per winter, ranging from 818 to 1850 across the last 10 years.
What hardiness zone is 83602?: 83602 is in USDA hardiness zone 7a.

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[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