How many chill hours does 82731 get?

82731 averages 1378 chill hours per winter, ranging from 1019 to 1551 across the last 10 years.

What hardiness zone is 82731?

82731 is in USDA hardiness zone 4b.

Location almanac

The short answer

82731 averages 1,378 chill hours per winter (1,019–1,551 across 10 years) in USDA zone 4b.

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 82731’s chill hours and zone:

Chill and zone requirements are comfortably met in 82731.

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How many chill hours does 82731 get?: 82731 averages 1378 chill hours per winter, ranging from 1019 to 1551 across the last 10 years.
What hardiness zone is 82731?: 82731 is in USDA hardiness zone 4b.

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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