How many chill hours does 58630 get?

58630 averages 1233 chill hours per winter, ranging from 754 to 1416 across the last 10 years.

What hardiness zone is 58630?

58630 is in USDA hardiness zone 4a.

Location almanac

The short answer

58630 averages 1,233 chill hours per winter (754–1,416 across 10 years) in USDA zone 4a.

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 58630’s chill hours and zone:

Chill and zone requirements are comfortably met in 58630.

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How many chill hours does 58630 get?: 58630 averages 1233 chill hours per winter, ranging from 754 to 1416 across the last 10 years.
What hardiness zone is 58630?: 58630 is in USDA hardiness zone 4a.

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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