How many chill hours does 55375 get?

55375 averages 1183 chill hours per winter, ranging from 977 to 1451 across the last 10 years.

What hardiness zone is 55375?

55375 is in USDA hardiness zone 4b.

Location almanac

The short answer

55375 averages 1,183 chill hours per winter (977–1,451 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 55375’s chill hours and zone:

Chill and zone requirements are comfortably met in 55375.

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How many chill hours does 55375 get?: 55375 averages 1183 chill hours per winter, ranging from 977 to 1451 across the last 10 years.
What hardiness zone is 55375?: 55375 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