How many chill hours does 12977 get?

12977 averages 1319 chill hours per winter, ranging from 1053 to 1729 across the last 10 years.

What hardiness zone is 12977?

12977 is in USDA hardiness zone 4a.

Location almanac

The short answer

12977 averages 1,319 chill hours per winter (1,053–1,729 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 12977’s chill hours and zone:

Chill and zone requirements are comfortably met in 12977.

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How many chill hours does 12977 get?: 12977 averages 1319 chill hours per winter, ranging from 1053 to 1729 across the last 10 years.
What hardiness zone is 12977?: 12977 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