How many chill hours does 56425 get?

56425 averages 1044 chill hours per winter, ranging from 788 to 1386 across the last 10 years.

What hardiness zone is 56425?

56425 is in USDA hardiness zone 4a.

Location almanac

The short answer

56425 averages 1,044 chill hours per winter (788–1,386 across 10 years) in USDA zone 4a.

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 56425’s chill hours and zone:

Chill and zone requirements are comfortably met in 56425.

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How many chill hours does 56425 get?: 56425 averages 1044 chill hours per winter, ranging from 788 to 1386 across the last 10 years.
What hardiness zone is 56425?: 56425 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