How many chill hours does 56318 get?

56318 averages 1078 chill hours per winter, ranging from 772 to 1434 across the last 10 years.

What hardiness zone is 56318?

56318 is in USDA hardiness zone 4b.

Location almanac

The short answer

56318 averages 1,078 chill hours per winter (772–1,434 across 10 years) in USDA zone 4b.

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 56318’s chill hours and zone:

Chill and zone requirements are comfortably met in 56318.

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How many chill hours does 56318 get?: 56318 averages 1078 chill hours per winter, ranging from 772 to 1434 across the last 10 years.
What hardiness zone is 56318?: 56318 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