How many chill hours does 57438 get?

57438 averages 1154 chill hours per winter, ranging from 681 to 1414 across the last 10 years.

What hardiness zone is 57438?

57438 is in USDA hardiness zone 4b.

Location almanac

The short answer

57438 averages 1,154 chill hours per winter (681–1,414 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 57438’s chill hours and zone:

Chill and zone requirements are comfortably met in 57438.

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How many chill hours does 57438 get?: 57438 averages 1154 chill hours per winter, ranging from 681 to 1414 across the last 10 years.
What hardiness zone is 57438?: 57438 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