How many chill hours does 54966 get?

54966 averages 1255 chill hours per winter, ranging from 1038 to 1587 across the last 10 years.

What hardiness zone is 54966?

54966 is in USDA hardiness zone 4b.

Location almanac

The short answer

54966 averages 1,255 chill hours per winter (1,038–1,587 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 54966’s chill hours and zone:

Chill and zone requirements are comfortably met in 54966.

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How many chill hours does 54966 get?: 54966 averages 1255 chill hours per winter, ranging from 1038 to 1587 across the last 10 years.
What hardiness zone is 54966?: 54966 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