How many chill hours does 59456 get?

59456 averages 1550 chill hours per winter, ranging from 1169 to 1754 across the last 10 years.

What hardiness zone is 59456?

59456 is in USDA hardiness zone 4a.

Location almanac

The short answer

59456 averages 1,550 chill hours per winter (1,169–1,754 across 10 years) in USDA zone 4a.

59456 climate
Average chill hours	1,550 (1,169–1,754 across 10 winters)
USDA hardiness zone	4a
Last spring frost	typically April 18 – May 22
First fall frost	typically September 30 – 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 59456’s chill hours and zone:

Chill and zone requirements are comfortably met in 59456.

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How many chill hours does 59456 get?: 59456 averages 1550 chill hours per winter, ranging from 1169 to 1754 across the last 10 years.
What hardiness zone is 59456?: 59456 is in USDA hardiness zone 4a.

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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