How many chill hours does 45788 get?

45788 averages 1511 chill hours per winter, ranging from 1252 to 1802 across the last 10 years.

What hardiness zone is 45788?

45788 is in USDA hardiness zone 6b.

Location almanac

The short answer

45788 averages 1,511 chill hours per winter (1,252–1,802 across 10 years) in USDA zone 6b.

45788 climate
Average chill hours	1,511 (1,252–1,802 across 10 winters)
USDA hardiness zone	6b
Last spring frost	typically April 8 – April 28
First fall frost	typically November 2 – 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 45788’s chill hours and zone:

Chill and zone requirements are comfortably met in 45788.

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How many chill hours does 45788 get?: 45788 averages 1511 chill hours per winter, ranging from 1252 to 1802 across the last 10 years.
What hardiness zone is 45788?: 45788 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