How many chill hours does 57028 get?

57028 averages 1142 chill hours per winter, ranging from 753 to 1277 across the last 10 years.

What hardiness zone is 57028?

57028 is in USDA hardiness zone 4b.

Location almanac

The short answer

57028 averages 1,142 chill hours per winter (753–1,277 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 57028’s chill hours and zone:

Chill and zone requirements are comfortably met in 57028.

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How many chill hours does 57028 get?: 57028 averages 1142 chill hours per winter, ranging from 753 to 1277 across the last 10 years.
What hardiness zone is 57028?: 57028 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