How many chill hours does 50603 get?

50603 averages 1264 chill hours per winter, ranging from 1110 to 1469 across the last 10 years.

What hardiness zone is 50603?

50603 is in USDA hardiness zone 5a.

Location almanac

The short answer

50603 averages 1,264 chill hours per winter (1,110–1,469 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 50603’s chill hours and zone:

Chill and zone requirements are comfortably met in 50603.

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How many chill hours does 50603 get?: 50603 averages 1264 chill hours per winter, ranging from 1110 to 1469 across the last 10 years.
What hardiness zone is 50603?: 50603 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