How many chill hours does 45768 get?

45768 averages 1496 chill hours per winter, ranging from 1242 to 1770 across the last 10 years.

What hardiness zone is 45768?

45768 is in USDA hardiness zone 6b.

Location almanac

The short answer

45768 averages 1,496 chill hours per winter (1,242–1,770 across 10 years) in USDA zone 6b.

45768 climate
Average chill hours	1,496 (1,242–1,770 across 10 winters)
USDA hardiness zone	6b
Last spring frost	typically March 30 – April 28
First fall frost	typically November 2 – 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 45768’s chill hours and zone:

Chill and zone requirements are comfortably met in 45768.

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How many chill hours does 45768 get?: 45768 averages 1496 chill hours per winter, ranging from 1242 to 1770 across the last 10 years.
What hardiness zone is 45768?: 45768 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