How many chill hours does 71950 get?

71950 averages 1082 chill hours per winter, ranging from 797 to 1430 across the last 10 years.

What hardiness zone is 71950?

71950 is in USDA hardiness zone 8a.

Location almanac

The short answer

71950 averages 1,082 chill hours per winter (797–1,430 across 10 years) in USDA zone 8a.

71950 climate
Average chill hours	1,082 (797–1,430 across 10 winters)
USDA hardiness zone	8a
Last spring frost	typically February 19 – March 13
First fall frost	typically November 10 – December 10

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 71950’s chill hours and zone:

Chill and zone requirements are comfortably met in 71950.

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How many chill hours does 71950 get?: 71950 averages 1082 chill hours per winter, ranging from 797 to 1430 across the last 10 years.
What hardiness zone is 71950?: 71950 is in USDA hardiness zone 8a.

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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