How many chill hours does 45245 get?

45245 averages 1525 chill hours per winter, ranging from 1222 to 1866 across the last 10 years.

What hardiness zone is 45245?

45245 is in USDA hardiness zone 6b.

Location almanac

The short answer

45245 averages 1,525 chill hours per winter (1,222–1,866 across 10 years) in USDA zone 6b.

45245 climate
Average chill hours	1,525 (1,222–1,866 across 10 winters)
USDA hardiness zone	6b
Last spring frost	typically March 29 – April 11
First fall frost	typically November 1 – November 22

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 45245’s chill hours and zone:

Chill and zone requirements are comfortably met in 45245.

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How many chill hours does 45245 get?: 45245 averages 1525 chill hours per winter, ranging from 1222 to 1866 across the last 10 years.
What hardiness zone is 45245?: 45245 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