How many chill hours does 54820 get?

54820 averages 1101 chill hours per winter, ranging from 812 to 1514 across the last 10 years.

What hardiness zone is 54820?

54820 is in USDA hardiness zone 4a.

Location almanac

The short answer

54820 averages 1,101 chill hours per winter (812–1,514 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 54820’s chill hours and zone:

Chill and zone requirements are comfortably met in 54820.

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How many chill hours does 54820 get?: 54820 averages 1101 chill hours per winter, ranging from 812 to 1514 across the last 10 years.
What hardiness zone is 54820?: 54820 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