How many chill hours does 46173 get?

46173 averages 1465 chill hours per winter, ranging from 1251 to 1706 across the last 10 years.

What hardiness zone is 46173?

46173 is in USDA hardiness zone 6a.

Location almanac

The short answer

46173 averages 1,465 chill hours per winter (1,251–1,706 across 10 years) in USDA zone 6a.

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 46173’s chill hours and zone:

Chill and zone requirements are comfortably met in 46173.

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How many chill hours does 46173 get?: 46173 averages 1465 chill hours per winter, ranging from 1251 to 1706 across the last 10 years.
What hardiness zone is 46173?: 46173 is in USDA hardiness zone 6a.

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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