How many chill hours does 84331 get?

84331 averages 1002 chill hours per winter, ranging from 389 to 1488 across the last 10 years.

What hardiness zone is 84331?

84331 is in USDA hardiness zone 6a.

Location almanac

The short answer

84331 averages 1,002 chill hours per winter (389–1,488 across 10 years) in USDA zone 6a.

84331 climate
Average chill hours	1,002 (389–1,488 across 10 winters)
USDA hardiness zone	6a
Last spring frost	typically May 9 – June 9
First fall frost	typically September 22 – 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 84331’s chill hours and zone:

Chill and zone requirements are comfortably met in 84331.

Show 126 more good fit varieties

How many chill hours does 84331 get?: 84331 averages 1002 chill hours per winter, ranging from 389 to 1488 across the last 10 years.
What hardiness zone is 84331?: 84331 is in USDA hardiness zone 6a.

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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