How many chill hours does 57256 get?

57256 averages 1036 chill hours per winter, ranging from 621 to 1280 across the last 10 years.

What hardiness zone is 57256?

57256 is in USDA hardiness zone 4b.

Location almanac

The short answer

57256 averages 1,036 chill hours per winter (621–1,280 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 57256’s chill hours and zone:

Chill and zone requirements are comfortably met in 57256.

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How many chill hours does 57256 get?: 57256 averages 1036 chill hours per winter, ranging from 621 to 1280 across the last 10 years.
What hardiness zone is 57256?: 57256 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