How many chill hours does 45310 get?

45310 averages 1465 chill hours per winter, ranging from 1252 to 1705 across the last 10 years.

What hardiness zone is 45310?

45310 is in USDA hardiness zone 6a.

Location almanac

The short answer

45310 averages 1,465 chill hours per winter (1,252–1,705 across 10 years) in USDA zone 6a.

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 45310’s chill hours and zone:

Chill and zone requirements are comfortably met in 45310.

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How many chill hours does 45310 get?: 45310 averages 1465 chill hours per winter, ranging from 1252 to 1705 across the last 10 years.
What hardiness zone is 45310?: 45310 is in USDA hardiness zone 6a.

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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