How many chill hours does 56458 get?

56458 averages 973 chill hours per winter, ranging from 708 to 1262 across the last 10 years.

What hardiness zone is 56458?

56458 is in USDA hardiness zone 3b.

Location almanac

The short answer

56458 averages 973 chill hours per winter (708–1,262 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 56458’s chill hours and zone:

Chill and zone requirements are comfortably met in 56458.

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How many chill hours does 56458 get?: 56458 averages 973 chill hours per winter, ranging from 708 to 1262 across the last 10 years.
What hardiness zone is 56458?: 56458 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