How many chill hours does 58622 get?

58622 averages 1251 chill hours per winter, ranging from 731 to 1424 across the last 10 years.

What hardiness zone is 58622?

58622 is in USDA hardiness zone 4b.

Location almanac

The short answer

58622 averages 1,251 chill hours per winter (731–1,424 across 10 years) in USDA zone 4b.

58622 climate
Average chill hours	1,251 (731–1,424 across 10 winters)
USDA hardiness zone	4b
Last spring frost	typically April 19 – May 19
First fall frost	typically September 28 – October 20

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 58622’s chill hours and zone:

Chill and zone requirements are comfortably met in 58622.

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How many chill hours does 58622 get?: 58622 averages 1251 chill hours per winter, ranging from 731 to 1424 across the last 10 years.
What hardiness zone is 58622?: 58622 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