How many chill hours does 55960 get?

55960 averages 1250 chill hours per winter, ranging from 1102 to 1474 across the last 10 years.

What hardiness zone is 55960?

55960 is in USDA hardiness zone 4b.

Location almanac

The short answer

55960 averages 1,250 chill hours per winter (1,102–1,474 across 10 years) in USDA zone 4b.

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 55960’s chill hours and zone:

Chill and zone requirements are comfortably met in 55960.

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How many chill hours does 55960 get?: 55960 averages 1250 chill hours per winter, ranging from 1102 to 1474 across the last 10 years.
What hardiness zone is 55960?: 55960 is in USDA hardiness zone 4b.

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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