How many chill hours does 59501 get?

59501 averages 1410 chill hours per winter, ranging from 894 to 1650 across the last 10 years.

What hardiness zone is 59501?

59501 is in USDA hardiness zone 3b.

Location almanac

The short answer

59501 averages 1,410 chill hours per winter (894–1,650 across 10 years) in USDA zone 3b.

59501 climate
Average chill hours	1,410 (894–1,650 across 10 winters)
USDA hardiness zone	3b
Last spring frost	typically April 24 – May 21
First fall frost	typically September 29 – October 24

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 59501’s chill hours and zone:

Chill and zone requirements are comfortably met in 59501.

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How many chill hours does 59501 get?: 59501 averages 1410 chill hours per winter, ranging from 894 to 1650 across the last 10 years.
What hardiness zone is 59501?: 59501 is in USDA hardiness zone 3b.

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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