How many chill hours does 51650 get?

51650 averages 1373 chill hours per winter, ranging from 1126 to 1670 across the last 10 years.

What hardiness zone is 51650?

51650 is in USDA hardiness zone 5b.

Location almanac

The short answer

51650 averages 1,373 chill hours per winter (1,126–1,670 across 10 years) in USDA zone 5b.

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 51650’s chill hours and zone:

Chill and zone requirements are comfortably met in 51650.

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How many chill hours does 51650 get?: 51650 averages 1373 chill hours per winter, ranging from 1126 to 1670 across the last 10 years.
What hardiness zone is 51650?: 51650 is in USDA hardiness zone 5b.

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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