How many chill hours does 57471 get?

57471 averages 1130 chill hours per winter, ranging from 617 to 1379 across the last 10 years.

What hardiness zone is 57471?

57471 is in USDA hardiness zone 4b.

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The short answer

57471 averages 1,130 chill hours per winter (617–1,379 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 57471’s chill hours and zone:

Chill and zone requirements are comfortably met in 57471.

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How many chill hours does 57471 get?: 57471 averages 1130 chill hours per winter, ranging from 617 to 1379 across the last 10 years.
What hardiness zone is 57471?: 57471 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