How many chill hours does 57273 get?

57273 averages 1044 chill hours per winter, ranging from 609 to 1275 across the last 10 years.

What hardiness zone is 57273?

57273 is in USDA hardiness zone 4b.

Location almanac

The short answer

57273 averages 1,044 chill hours per winter (609–1,275 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 57273’s chill hours and zone:

Chill and zone requirements are comfortably met in 57273.

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How many chill hours does 57273 get?: 57273 averages 1044 chill hours per winter, ranging from 609 to 1275 across the last 10 years.
What hardiness zone is 57273?: 57273 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