How many chill hours does 58601 get?

58601 averages 1226 chill hours per winter, ranging from 730 to 1397 across the last 10 years.

What hardiness zone is 58601?

58601 is in USDA hardiness zone 4b.

Location almanac

The short answer

58601 averages 1,226 chill hours per winter (730–1,397 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 58601’s chill hours and zone:

Chill and zone requirements are comfortably met in 58601.

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How many chill hours does 58601 get?: 58601 averages 1226 chill hours per winter, ranging from 730 to 1397 across the last 10 years.
What hardiness zone is 58601?: 58601 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