How many chill hours does 57520 get?

57520 averages 1198 chill hours per winter, ranging from 817 to 1485 across the last 10 years.

What hardiness zone is 57520?

57520 is in USDA hardiness zone 4b.

Location almanac

The short answer

57520 averages 1,198 chill hours per winter (817–1,485 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 57520’s chill hours and zone:

Chill and zone requirements are comfortably met in 57520.

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How many chill hours does 57520 get?: 57520 averages 1198 chill hours per winter, ranging from 817 to 1485 across the last 10 years.
What hardiness zone is 57520?: 57520 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