How many chill hours does 12970 get?

12970 averages 1258 chill hours per winter, ranging from 998 to 1636 across the last 10 years.

What hardiness zone is 12970?

12970 is in USDA hardiness zone 4a.

Location almanac

The short answer

12970 averages 1,258 chill hours per winter (998–1,636 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 12970’s chill hours and zone:

Chill and zone requirements are comfortably met in 12970.

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How many chill hours does 12970 get?: 12970 averages 1258 chill hours per winter, ranging from 998 to 1636 across the last 10 years.
What hardiness zone is 12970?: 12970 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