How many chill hours does 55371 get?

55371 averages 1122 chill hours per winter, ranging from 888 to 1432 across the last 10 years.

What hardiness zone is 55371?

55371 is in USDA hardiness zone 4b.

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The short answer

55371 averages 1,122 chill hours per winter (888–1,432 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 55371’s chill hours and zone:

Chill and zone requirements are comfortably met in 55371.

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How many chill hours does 55371 get?: 55371 averages 1122 chill hours per winter, ranging from 888 to 1432 across the last 10 years.
What hardiness zone is 55371?: 55371 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