How many chill hours does 59450 get?

59450 averages 1686 chill hours per winter, ranging from 1321 to 1861 across the last 10 years.

What hardiness zone is 59450?

59450 is in USDA hardiness zone 4b.

Location almanac

The short answer

59450 averages 1,686 chill hours per winter (1,321–1,861 across 10 years) in USDA zone 4b.

59450 climate
Average chill hours	1,686 (1,321–1,861 across 10 winters)
USDA hardiness zone	4b
Last spring frost	typically April 20 – May 21
First fall frost	typically September 28 – 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 59450’s chill hours and zone:

Chill and zone requirements are comfortably met in 59450.

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How many chill hours does 59450 get?: 59450 averages 1686 chill hours per winter, ranging from 1321 to 1861 across the last 10 years.
What hardiness zone is 59450?: 59450 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