How many chill hours does 56671 get?

56671 averages 971 chill hours per winter, ranging from 709 to 1195 across the last 10 years.

What hardiness zone is 56671?

56671 is in USDA hardiness zone 3b.

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The short answer

56671 averages 971 chill hours per winter (709–1,195 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 56671’s chill hours and zone:

Chill and zone requirements are comfortably met in 56671.

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How many chill hours does 56671 get?: 56671 averages 971 chill hours per winter, ranging from 709 to 1195 across the last 10 years.
What hardiness zone is 56671?: 56671 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