How many chill hours does 55051 get?

55051 averages 1097 chill hours per winter, ranging from 895 to 1435 across the last 10 years.

What hardiness zone is 55051?

55051 is in USDA hardiness zone 4a.

Location almanac

The short answer

55051 averages 1,097 chill hours per winter (895–1,435 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 55051’s chill hours and zone:

Chill and zone requirements are comfortably met in 55051.

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How many chill hours does 55051 get?: 55051 averages 1097 chill hours per winter, ranging from 895 to 1435 across the last 10 years.
What hardiness zone is 55051?: 55051 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