How many chill hours does 57577 get?

57577 averages 1418 chill hours per winter, ranging from 1038 to 1657 across the last 10 years.

What hardiness zone is 57577?

57577 is in USDA hardiness zone 5a.

Location almanac

The short answer

57577 averages 1,418 chill hours per winter (1,038–1,657 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 57577’s chill hours and zone:

Chill and zone requirements are comfortably met in 57577.

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How many chill hours does 57577 get?: 57577 averages 1418 chill hours per winter, ranging from 1038 to 1657 across the last 10 years.
What hardiness zone is 57577?: 57577 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