How many chill hours does 57430 get?

57430 averages 1053 chill hours per winter, ranging from 641 to 1334 across the last 10 years.

What hardiness zone is 57430?

57430 is in USDA hardiness zone 4a.

Location almanac

The short answer

57430 averages 1,053 chill hours per winter (641–1,334 across 10 years) in USDA zone 4a.

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 57430’s chill hours and zone:

Chill and zone requirements are comfortably met in 57430.

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How many chill hours does 57430 get?: 57430 averages 1053 chill hours per winter, ranging from 641 to 1334 across the last 10 years.
What hardiness zone is 57430?: 57430 is in USDA hardiness zone 4a.

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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