How many chill hours does 58440 get?

58440 averages 1017 chill hours per winter, ranging from 519 to 1259 across the last 10 years.

What hardiness zone is 58440?

58440 is in USDA hardiness zone 4b.

Location almanac

The short answer

58440 averages 1,017 chill hours per winter (519–1,259 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 58440’s chill hours and zone:

Chill and zone requirements are comfortably met in 58440.

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How many chill hours does 58440 get?: 58440 averages 1017 chill hours per winter, ranging from 519 to 1259 across the last 10 years.
What hardiness zone is 58440?: 58440 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