How many chill hours does 52501 get?

52501 averages 1430 chill hours per winter, ranging from 1204 to 1739 across the last 10 years.

What hardiness zone is 52501?

52501 is in USDA hardiness zone 5b.

Location almanac

The short answer

52501 averages 1,430 chill hours per winter (1,204–1,739 across 10 years) in USDA zone 5b.

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 52501’s chill hours and zone:

Chill and zone requirements are comfortably met in 52501.

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How many chill hours does 52501 get?: 52501 averages 1430 chill hours per winter, ranging from 1204 to 1739 across the last 10 years.
What hardiness zone is 52501?: 52501 is in USDA hardiness zone 5b.

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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