How many chill hours does 56021 get?

56021 averages 1148 chill hours per winter, ranging from 844 to 1400 across the last 10 years.

What hardiness zone is 56021?

56021 is in USDA hardiness zone 5a.

Location almanac

The short answer

56021 averages 1,148 chill hours per winter (844–1,400 across 10 years) in USDA zone 5a.

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 56021’s chill hours and zone:

Chill and zone requirements are comfortably met in 56021.

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How many chill hours does 56021 get?: 56021 averages 1148 chill hours per winter, ranging from 844 to 1400 across the last 10 years.
What hardiness zone is 56021?: 56021 is in USDA hardiness zone 5a.

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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