How many chill hours does 57441 get?

57441 averages 1077 chill hours per winter, ranging from 562 to 1333 across the last 10 years.

What hardiness zone is 57441?

57441 is in USDA hardiness zone 4b.

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The short answer

57441 averages 1,077 chill hours per winter (562–1,333 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 57441’s chill hours and zone:

Chill and zone requirements are comfortably met in 57441.

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How many chill hours does 57441 get?: 57441 averages 1077 chill hours per winter, ranging from 562 to 1333 across the last 10 years.
What hardiness zone is 57441?: 57441 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