How many chill hours does 54977 get?

54977 averages 1289 chill hours per winter, ranging from 1050 to 1635 across the last 10 years.

What hardiness zone is 54977?

54977 is in USDA hardiness zone 5a.

Location almanac

The short answer

54977 averages 1,289 chill hours per winter (1,050–1,635 across 10 years) in USDA zone 5a.

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 54977’s chill hours and zone:

Chill and zone requirements are comfortably met in 54977.

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How many chill hours does 54977 get?: 54977 averages 1289 chill hours per winter, ranging from 1050 to 1635 across the last 10 years.
What hardiness zone is 54977?: 54977 is in USDA hardiness zone 5a.

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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