How many chill hours does 58015 get?

58015 averages 1069 chill hours per winter, ranging from 723 to 1356 across the last 10 years.

What hardiness zone is 58015?

58015 is in USDA hardiness zone 4a.

Location almanac

The short answer

58015 averages 1,069 chill hours per winter (723–1,356 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 58015’s chill hours and zone:

Chill and zone requirements are comfortably met in 58015.

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How many chill hours does 58015 get?: 58015 averages 1069 chill hours per winter, ranging from 723 to 1356 across the last 10 years.
What hardiness zone is 58015?: 58015 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