How many chill hours does 56401 get?

56401 averages 1048 chill hours per winter, ranging from 812 to 1397 across the last 10 years.

What hardiness zone is 56401?

56401 is in USDA hardiness zone 4a.

Location almanac

The short answer

56401 averages 1,048 chill hours per winter (812–1,397 across 10 years) in USDA zone 4a.

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 56401’s chill hours and zone:

Chill and zone requirements are comfortably met in 56401.

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How many chill hours does 56401 get?: 56401 averages 1048 chill hours per winter, ranging from 812 to 1397 across the last 10 years.
What hardiness zone is 56401?: 56401 is in USDA hardiness zone 4a.

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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