How many chill hours does 57601 get?

57601 averages 1200 chill hours per winter, ranging from 725 to 1521 across the last 10 years.

What hardiness zone is 57601?

57601 is in USDA hardiness zone 4b.

Location almanac

The short answer

57601 averages 1,200 chill hours per winter (725–1,521 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 57601’s chill hours and zone:

Chill and zone requirements are comfortably met in 57601.

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How many chill hours does 57601 get?: 57601 averages 1200 chill hours per winter, ranging from 725 to 1521 across the last 10 years.
What hardiness zone is 57601?: 57601 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