How many chill hours does 57448 get?

57448 averages 1086 chill hours per winter, ranging from 546 to 1314 across the last 10 years.

What hardiness zone is 57448?

57448 is in USDA hardiness zone 4b.

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The short answer

57448 averages 1,086 chill hours per winter (546–1,314 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 57448’s chill hours and zone:

Chill and zone requirements are comfortably met in 57448.

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How many chill hours does 57448 get?: 57448 averages 1086 chill hours per winter, ranging from 546 to 1314 across the last 10 years.
What hardiness zone is 57448?: 57448 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