How many chill hours does 59443 get?

59443 averages 1673 chill hours per winter, ranging from 1393 to 1832 across the last 10 years.

What hardiness zone is 59443?

59443 is in USDA hardiness zone 4b.

Location almanac

The short answer

59443 averages 1,673 chill hours per winter (1,393–1,832 across 10 years) in USDA zone 4b.

59443 climate
Average chill hours	1,673 (1,393–1,832 across 10 winters)
USDA hardiness zone	4b
Last spring frost	typically April 27 – May 22
First fall frost	typically September 24 – 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 59443’s chill hours and zone:

Chill and zone requirements are comfortably met in 59443.

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How many chill hours does 59443 get?: 59443 averages 1673 chill hours per winter, ranging from 1393 to 1832 across the last 10 years.
What hardiness zone is 59443?: 59443 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