How many chill hours does 45742 get?

45742 averages 1506 chill hours per winter, ranging from 1234 to 1767 across the last 10 years.

What hardiness zone is 45742?

45742 is in USDA hardiness zone 6b.

Location almanac

The short answer

45742 averages 1,506 chill hours per winter (1,234–1,767 across 10 years) in USDA zone 6b.

45742 climate
Average chill hours	1,506 (1,234–1,767 across 10 winters)
USDA hardiness zone	6b
Last spring frost	typically March 29 – April 22
First fall frost	typically November 3 – 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 45742’s chill hours and zone:

Chill and zone requirements are comfortably met in 45742.

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How many chill hours does 45742 get?: 45742 averages 1506 chill hours per winter, ranging from 1234 to 1767 across the last 10 years.
What hardiness zone is 45742?: 45742 is in USDA hardiness zone 6b.

Growing fruit trees in 45742? Get a care calendar anchored to this exact climate, with email reminders.

[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