How many chill hours does 55772 get?

55772 averages 951 chill hours per winter, ranging from 667 to 1252 across the last 10 years.

What hardiness zone is 55772?

55772 is in USDA hardiness zone 3b.

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The short answer

55772 averages 951 chill hours per winter (667–1,252 across 10 years) in USDA zone 3b.

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 55772’s chill hours and zone:

Chill and zone requirements are comfortably met in 55772.

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How many chill hours does 55772 get?: 55772 averages 951 chill hours per winter, ranging from 667 to 1252 across the last 10 years.
What hardiness zone is 55772?: 55772 is in USDA hardiness zone 3b.

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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