How many chill hours does 57457 get?

57457 averages 1055 chill hours per winter, ranging from 513 to 1298 across the last 10 years.

What hardiness zone is 57457?

57457 is in USDA hardiness zone 4b.

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The short answer

57457 averages 1,055 chill hours per winter (513–1,298 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 57457’s chill hours and zone:

Chill and zone requirements are comfortably met in 57457.

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How many chill hours does 57457 get?: 57457 averages 1055 chill hours per winter, ranging from 513 to 1298 across the last 10 years.
What hardiness zone is 57457?: 57457 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