How many chill hours does 45653 get?

45653 averages 1491 chill hours per winter, ranging from 1208 to 1801 across the last 10 years.

What hardiness zone is 45653?

45653 is in USDA hardiness zone 6b.

Location almanac

The short answer

45653 averages 1,491 chill hours per winter (1,208–1,801 across 10 years) in USDA zone 6b.

45653 climate
Average chill hours	1,491 (1,208–1,801 across 10 winters)
USDA hardiness zone	6b
Last spring frost	typically April 2 – April 25
First fall frost	typically November 1 – November 23

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 45653’s chill hours and zone:

Chill and zone requirements are comfortably met in 45653.

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How many chill hours does 45653 get?: 45653 averages 1491 chill hours per winter, ranging from 1208 to 1801 across the last 10 years.
What hardiness zone is 45653?: 45653 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