How many chill hours does 55704 get?

55704 averages 1079 chill hours per winter, ranging from 848 to 1431 across the last 10 years.

What hardiness zone is 55704?

55704 is in USDA hardiness zone 4a.

Location almanac

The short answer

55704 averages 1,079 chill hours per winter (848–1,431 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 55704’s chill hours and zone:

Chill and zone requirements are comfortably met in 55704.

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How many chill hours does 55704 get?: 55704 averages 1079 chill hours per winter, ranging from 848 to 1431 across the last 10 years.
What hardiness zone is 55704?: 55704 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