How many chill hours does 12945 get?

12945 averages 1284 chill hours per winter, ranging from 1052 to 1622 across the last 10 years.

What hardiness zone is 12945?

12945 is in USDA hardiness zone 4a.

Location almanac

The short answer

12945 averages 1,284 chill hours per winter (1,052–1,622 across 10 years) in USDA zone 4a.

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 12945’s chill hours and zone:

Chill and zone requirements are comfortably met in 12945.

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How many chill hours does 12945 get?: 12945 averages 1284 chill hours per winter, ranging from 1052 to 1622 across the last 10 years.
What hardiness zone is 12945?: 12945 is in USDA hardiness zone 4a.

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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