How many chill hours does 46307 get?

46307 averages 1554 chill hours per winter, ranging from 1239 to 1891 across the last 10 years.

What hardiness zone is 46307?

46307 is in USDA hardiness zone 5b.

Location almanac

The short answer

46307 averages 1,554 chill hours per winter (1,239–1,891 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 46307’s chill hours and zone:

Chill and zone requirements are comfortably met in 46307.

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How many chill hours does 46307 get?: 46307 averages 1554 chill hours per winter, ranging from 1239 to 1891 across the last 10 years.
What hardiness zone is 46307?: 46307 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