How many chill hours does 56220 get?

56220 averages 1169 chill hours per winter, ranging from 817 to 1341 across the last 10 years.

What hardiness zone is 56220?

56220 is in USDA hardiness zone 4b.

Location almanac

The short answer

56220 averages 1,169 chill hours per winter (817–1,341 across 10 years) in USDA zone 4b.

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 56220’s chill hours and zone:

Chill and zone requirements are comfortably met in 56220.

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How many chill hours does 56220 get?: 56220 averages 1169 chill hours per winter, ranging from 817 to 1341 across the last 10 years.
What hardiness zone is 56220?: 56220 is in USDA hardiness zone 4b.

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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