How many chill hours does 57073 get?

57073 averages 1274 chill hours per winter, ranging from 944 to 1509 across the last 10 years.

What hardiness zone is 57073?

57073 is in USDA hardiness zone 5a.

Location almanac

The short answer

57073 averages 1,274 chill hours per winter (944–1,509 across 10 years) in USDA zone 5a.

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 57073’s chill hours and zone:

Chill and zone requirements are comfortably met in 57073.

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How many chill hours does 57073 get?: 57073 averages 1274 chill hours per winter, ranging from 944 to 1509 across the last 10 years.
What hardiness zone is 57073?: 57073 is in USDA hardiness zone 5a.

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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