How many chill hours does 50643 get?

50643 averages 1341 chill hours per winter, ranging from 1155 to 1585 across the last 10 years.

What hardiness zone is 50643?

50643 is in USDA hardiness zone 5a.

Location almanac

The short answer

50643 averages 1,341 chill hours per winter (1,155–1,585 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 50643’s chill hours and zone:

Chill and zone requirements are comfortably met in 50643.

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How many chill hours does 50643 get?: 50643 averages 1341 chill hours per winter, ranging from 1155 to 1585 across the last 10 years.
What hardiness zone is 50643?: 50643 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