How many chill hours does 58641 get?

58641 averages 1247 chill hours per winter, ranging from 736 to 1446 across the last 10 years.

What hardiness zone is 58641?

58641 is in USDA hardiness zone 4b.

Location almanac

The short answer

58641 averages 1,247 chill hours per winter (736–1,446 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 58641’s chill hours and zone:

Chill and zone requirements are comfortably met in 58641.

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How many chill hours does 58641 get?: 58641 averages 1247 chill hours per winter, ranging from 736 to 1446 across the last 10 years.
What hardiness zone is 58641?: 58641 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