How many chill hours does 58271 get?

58271 averages 915 chill hours per winter, ranging from 554 to 1238 across the last 10 years.

What hardiness zone is 58271?

58271 is in USDA hardiness zone 3b.

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The short answer

58271 averages 915 chill hours per winter (554–1,238 across 10 years) in USDA zone 3b.

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 58271’s chill hours and zone:

Chill and zone requirements are comfortably met in 58271.

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How many chill hours does 58271 get?: 58271 averages 915 chill hours per winter, ranging from 554 to 1238 across the last 10 years.
What hardiness zone is 58271?: 58271 is in USDA hardiness zone 3b.

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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