How many chill hours does 58031 get?

58031 averages 1020 chill hours per winter, ranging from 529 to 1307 across the last 10 years.

What hardiness zone is 58031?

58031 is in USDA hardiness zone 4a.

Location almanac

The short answer

58031 averages 1,020 chill hours per winter (529–1,307 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 58031’s chill hours and zone:

Chill and zone requirements are comfortably met in 58031.

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How many chill hours does 58031 get?: 58031 averages 1020 chill hours per winter, ranging from 529 to 1307 across the last 10 years.
What hardiness zone is 58031?: 58031 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