How many chill hours does 56230 get?

56230 averages 1096 chill hours per winter, ranging from 749 to 1305 across the last 10 years.

What hardiness zone is 56230?

56230 is in USDA hardiness zone 4b.

Location almanac

The short answer

56230 averages 1,096 chill hours per winter (749–1,305 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 56230’s chill hours and zone:

Chill and zone requirements are comfortably met in 56230.

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How many chill hours does 56230 get?: 56230 averages 1096 chill hours per winter, ranging from 749 to 1305 across the last 10 years.
What hardiness zone is 56230?: 56230 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