How many chill hours does 59546 get?

59546 averages 1566 chill hours per winter, ranging from 1122 to 1694 across the last 10 years.

What hardiness zone is 59546?

59546 is in USDA hardiness zone 4b.

Location almanac

The short answer

59546 averages 1,566 chill hours per winter (1,122–1,694 across 10 years) in USDA zone 4b.

59546 climate
Average chill hours	1,566 (1,122–1,694 across 10 winters)
USDA hardiness zone	4b
Last spring frost	typically April 24 – May 22
First fall frost	typically September 28 – October 23

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 59546’s chill hours and zone:

Chill and zone requirements are comfortably met in 59546.

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How many chill hours does 59546 get?: 59546 averages 1566 chill hours per winter, ranging from 1122 to 1694 across the last 10 years.
What hardiness zone is 59546?: 59546 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