How many chill hours does 57738 get?

57738 averages 1443 chill hours per winter, ranging from 1139 to 1676 across the last 10 years.

What hardiness zone is 57738?

57738 is in USDA hardiness zone 5a.

Location almanac

The short answer

57738 averages 1,443 chill hours per winter (1,139–1,676 across 10 years) in USDA zone 5a.

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 57738’s chill hours and zone:

Chill and zone requirements are comfortably met in 57738.

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How many chill hours does 57738 get?: 57738 averages 1443 chill hours per winter, ranging from 1139 to 1676 across the last 10 years.
What hardiness zone is 57738?: 57738 is in USDA hardiness zone 5a.

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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