How many chill hours does 58639 get?

58639 averages 1263 chill hours per winter, ranging from 824 to 1486 across the last 10 years.

What hardiness zone is 58639?

58639 is in USDA hardiness zone 4b.

Location almanac

The short answer

58639 averages 1,263 chill hours per winter (824–1,486 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 58639’s chill hours and zone:

Chill and zone requirements are comfortably met in 58639.

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How many chill hours does 58639 get?: 58639 averages 1263 chill hours per winter, ranging from 824 to 1486 across the last 10 years.
What hardiness zone is 58639?: 58639 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