How many chill hours does 45166 get?

45166 averages 1456 chill hours per winter, ranging from 1211 to 1746 across the last 10 years.

What hardiness zone is 45166?

45166 is in USDA hardiness zone 6b.

Location almanac

The short answer

45166 averages 1,456 chill hours per winter (1,211–1,746 across 10 years) in USDA zone 6b.

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 45166’s chill hours and zone:

Chill and zone requirements are comfortably met in 45166.

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How many chill hours does 45166 get?: 45166 averages 1456 chill hours per winter, ranging from 1211 to 1746 across the last 10 years.
What hardiness zone is 45166?: 45166 is in USDA hardiness zone 6b.

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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