How many chill hours does 59255 get?

59255 averages 1174 chill hours per winter, ranging from 698 to 1382 across the last 10 years.

What hardiness zone is 59255?

59255 is in USDA hardiness zone 4a.

Location almanac

The short answer

59255 averages 1,174 chill hours per winter (698–1,382 across 10 years) in USDA zone 4a.

59255 climate
Average chill hours	1,174 (698–1,382 across 10 winters)
USDA hardiness zone	4a
Last spring frost	typically April 26 – May 19
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 59255’s chill hours and zone:

Chill and zone requirements are comfortably met in 59255.

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How many chill hours does 59255 get?: 59255 averages 1174 chill hours per winter, ranging from 698 to 1382 across the last 10 years.
What hardiness zone is 59255?: 59255 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