How many chill hours does 55946 get?

55946 averages 1199 chill hours per winter, ranging from 1016 to 1463 across the last 10 years.

What hardiness zone is 55946?

55946 is in USDA hardiness zone 4b.

Location almanac

The short answer

55946 averages 1,199 chill hours per winter (1,016–1,463 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 55946’s chill hours and zone:

Chill and zone requirements are comfortably met in 55946.

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How many chill hours does 55946 get?: 55946 averages 1199 chill hours per winter, ranging from 1016 to 1463 across the last 10 years.
What hardiness zone is 55946?: 55946 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