How many chill hours does 57455 get?

57455 averages 1151 chill hours per winter, ranging from 722 to 1405 across the last 10 years.

What hardiness zone is 57455?

57455 is in USDA hardiness zone 4b.

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The short answer

57455 averages 1,151 chill hours per winter (722–1,405 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 57455’s chill hours and zone:

Chill and zone requirements are comfortably met in 57455.

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How many chill hours does 57455 get?: 57455 averages 1151 chill hours per winter, ranging from 722 to 1405 across the last 10 years.
What hardiness zone is 57455?: 57455 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