How many chill hours does 51240 get?

51240 averages 1218 chill hours per winter, ranging from 850 to 1424 across the last 10 years.

What hardiness zone is 51240?

51240 is in USDA hardiness zone 5a.

Location almanac

The short answer

51240 averages 1,218 chill hours per winter (850–1,424 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 51240’s chill hours and zone:

Chill and zone requirements are comfortably met in 51240.

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How many chill hours does 51240 get?: 51240 averages 1218 chill hours per winter, ranging from 850 to 1424 across the last 10 years.
What hardiness zone is 51240?: 51240 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