How many chill hours does 59257 get?

59257 averages 1200 chill hours per winter, ranging from 723 to 1375 across the last 10 years.

What hardiness zone is 59257?

59257 is in USDA hardiness zone 3b.

Location almanac

The short answer

59257 averages 1,200 chill hours per winter (723–1,375 across 10 years) in USDA zone 3b.

59257 climate
Average chill hours	1,200 (723–1,375 across 10 winters)
USDA hardiness zone	3b
Last spring frost	typically April 24 – 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 59257’s chill hours and zone:

Chill and zone requirements are comfortably met in 59257.

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How many chill hours does 59257 get?: 59257 averages 1200 chill hours per winter, ranging from 723 to 1375 across the last 10 years.
What hardiness zone is 59257?: 59257 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