How many chill hours does 59222 get?

59222 averages 1133 chill hours per winter, ranging from 659 to 1366 across the last 10 years.

What hardiness zone is 59222?

59222 is in USDA hardiness zone 4a.

Location almanac

The short answer

59222 averages 1,133 chill hours per winter (659–1,366 across 10 years) in USDA zone 4a.

59222 climate
Average chill hours	1,133 (659–1,366 across 10 winters)
USDA hardiness zone	4a
Last spring frost	typically April 29 – May 21
First fall frost	typically September 21 – October 15

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 59222’s chill hours and zone:

Chill and zone requirements are comfortably met in 59222.

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How many chill hours does 59222 get?: 59222 averages 1133 chill hours per winter, ranging from 659 to 1366 across the last 10 years.
What hardiness zone is 59222?: 59222 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