How many chill hours does 57226 get?

57226 averages 1082 chill hours per winter, ranging from 653 to 1336 across the last 10 years.

What hardiness zone is 57226?

57226 is in USDA hardiness zone 4b.

Location almanac

The short answer

57226 averages 1,082 chill hours per winter (653–1,336 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 57226’s chill hours and zone:

Chill and zone requirements are comfortably met in 57226.

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How many chill hours does 57226 get?: 57226 averages 1082 chill hours per winter, ranging from 653 to 1336 across the last 10 years.
What hardiness zone is 57226?: 57226 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