How many chill hours does 57473 get?

57473 averages 1161 chill hours per winter, ranging from 745 to 1422 across the last 10 years.

What hardiness zone is 57473?

57473 is in USDA hardiness zone 4b.

Location almanac

The short answer

57473 averages 1,161 chill hours per winter (745–1,422 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 57473’s chill hours and zone:

Chill and zone requirements are comfortably met in 57473.

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How many chill hours does 57473 get?: 57473 averages 1161 chill hours per winter, ranging from 745 to 1422 across the last 10 years.
What hardiness zone is 57473?: 57473 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