How many chill hours does 52220 get?

52220 averages 1394 chill hours per winter, ranging from 1208 to 1672 across the last 10 years.

What hardiness zone is 52220?

52220 is in USDA hardiness zone 5a.

Location almanac

The short answer

52220 averages 1,394 chill hours per winter (1,208–1,672 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 52220’s chill hours and zone:

Chill and zone requirements are comfortably met in 52220.

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How many chill hours does 52220 get?: 52220 averages 1394 chill hours per winter, ranging from 1208 to 1672 across the last 10 years.
What hardiness zone is 52220?: 52220 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