How many chill hours does 57263 get?

57263 averages 1044 chill hours per winter, ranging from 618 to 1304 across the last 10 years.

What hardiness zone is 57263?

57263 is in USDA hardiness zone 4b.

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The short answer

57263 averages 1,044 chill hours per winter (618–1,304 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 57263’s chill hours and zone:

Chill and zone requirements are comfortably met in 57263.

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How many chill hours does 57263 get?: 57263 averages 1044 chill hours per winter, ranging from 618 to 1304 across the last 10 years.
What hardiness zone is 57263?: 57263 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