How many chill hours does 54422 get?

54422 averages 1178 chill hours per winter, ranging from 941 to 1442 across the last 10 years.

What hardiness zone is 54422?

54422 is in USDA hardiness zone 4b.

Location almanac

The short answer

54422 averages 1,178 chill hours per winter (941–1,442 across 10 years) in USDA zone 4b.

54422 climate
Average chill hours	1,178 (941–1,442 across 10 winters)
USDA hardiness zone	4b
Last spring frost	typically April 29 – May 13
First fall frost	typically September 29 – October 28

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 54422’s chill hours and zone:

Chill and zone requirements are comfortably met in 54422.

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How many chill hours does 54422 get?: 54422 averages 1178 chill hours per winter, ranging from 941 to 1442 across the last 10 years.
What hardiness zone is 54422?: 54422 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