How many chill hours does 56579 get?

56579 averages 1043 chill hours per winter, ranging from 712 to 1323 across the last 10 years.

What hardiness zone is 56579?

56579 is in USDA hardiness zone 4a.

Location almanac

The short answer

56579 averages 1,043 chill hours per winter (712–1,323 across 10 years) in USDA zone 4a.

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 56579’s chill hours and zone:

Chill and zone requirements are comfortably met in 56579.

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How many chill hours does 56579 get?: 56579 averages 1043 chill hours per winter, ranging from 712 to 1323 across the last 10 years.
What hardiness zone is 56579?: 56579 is in USDA hardiness zone 4a.

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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