How many chill hours does 56649 get?

56649 averages 971 chill hours per winter, ranging from 689 to 1250 across the last 10 years.

What hardiness zone is 56649?

56649 is in USDA hardiness zone 3b.

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The short answer

56649 averages 971 chill hours per winter (689–1,250 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 56649’s chill hours and zone:

Chill and zone requirements are comfortably met in 56649.

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How many chill hours does 56649 get?: 56649 averages 971 chill hours per winter, ranging from 689 to 1250 across the last 10 years.
What hardiness zone is 56649?: 56649 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