How many chill hours does 55780 get?

55780 averages 1041 chill hours per winter, ranging from 739 to 1391 across the last 10 years.

What hardiness zone is 55780?

55780 is in USDA hardiness zone 4a.

Location almanac

The short answer

55780 averages 1,041 chill hours per winter (739–1,391 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 55780’s chill hours and zone:

Chill and zone requirements are comfortably met in 55780.

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How many chill hours does 55780 get?: 55780 averages 1041 chill hours per winter, ranging from 739 to 1391 across the last 10 years.
What hardiness zone is 55780?: 55780 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