How many chill hours does 59422 get?

59422 averages 1614 chill hours per winter, ranging from 1139 to 1885 across the last 10 years.

What hardiness zone is 59422?

59422 is in USDA hardiness zone 4b.

Location almanac

The short answer

59422 averages 1,614 chill hours per winter (1,139–1,885 across 10 years) in USDA zone 4b.

59422 climate
Average chill hours	1,614 (1,139–1,885 across 10 winters)
USDA hardiness zone	4b
Last spring frost	typically May 1 – May 22
First fall frost	typically September 14 – October 23

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 59422’s chill hours and zone:

Chill and zone requirements are comfortably met in 59422.

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How many chill hours does 59422 get?: 59422 averages 1614 chill hours per winter, ranging from 1139 to 1885 across the last 10 years.
What hardiness zone is 59422?: 59422 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