How many chill hours does 57233 get?

57233 averages 1102 chill hours per winter, ranging from 668 to 1283 across the last 10 years.

What hardiness zone is 57233?

57233 is in USDA hardiness zone 4b.

Location almanac

The short answer

57233 averages 1,102 chill hours per winter (668–1,283 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 57233’s chill hours and zone:

Chill and zone requirements are comfortably met in 57233.

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How many chill hours does 57233 get?: 57233 averages 1102 chill hours per winter, ranging from 668 to 1283 across the last 10 years.
What hardiness zone is 57233?: 57233 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