How many chill hours does 45617 get?

45617 averages 1500 chill hours per winter, ranging from 1254 to 1785 across the last 10 years.

What hardiness zone is 45617?

45617 is in USDA hardiness zone 6b.

Location almanac

The short answer

45617 averages 1,500 chill hours per winter (1,254–1,785 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 45617’s chill hours and zone:

Chill and zone requirements are comfortably met in 45617.

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How many chill hours does 45617 get?: 45617 averages 1500 chill hours per winter, ranging from 1254 to 1785 across the last 10 years.
What hardiness zone is 45617?: 45617 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