How many chill hours does 55785 get?

55785 averages 1013 chill hours per winter, ranging from 769 to 1337 across the last 10 years.

What hardiness zone is 55785?

55785 is in USDA hardiness zone 4a.

Location almanac

The short answer

55785 averages 1,013 chill hours per winter (769–1,337 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 55785’s chill hours and zone:

Chill and zone requirements are comfortably met in 55785.

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How many chill hours does 55785 get?: 55785 averages 1013 chill hours per winter, ranging from 769 to 1337 across the last 10 years.
What hardiness zone is 55785?: 55785 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