How many chill hours does 58654 get?

58654 averages 1300 chill hours per winter, ranging from 816 to 1486 across the last 10 years.

What hardiness zone is 58654?

58654 is in USDA hardiness zone 4a.

Location almanac

The short answer

58654 averages 1,300 chill hours per winter (816–1,486 across 10 years) in USDA zone 4a.

58654 climate
Average chill hours	1,300 (816–1,486 across 10 winters)
USDA hardiness zone	4a
Last spring frost	typically April 28 – May 20
First fall frost	typically September 28 – October 26

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 58654’s chill hours and zone:

Chill and zone requirements are comfortably met in 58654.

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How many chill hours does 58654 get?: 58654 averages 1300 chill hours per winter, ranging from 816 to 1486 across the last 10 years.
What hardiness zone is 58654?: 58654 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