How many chill hours does 12964 get?

12964 averages 1503 chill hours per winter, ranging from 1192 to 1897 across the last 10 years.

What hardiness zone is 12964?

12964 is in USDA hardiness zone 4b.

Location almanac

The short answer

12964 averages 1,503 chill hours per winter (1,192–1,897 across 10 years) in USDA zone 4b.

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 12964’s chill hours and zone:

Chill and zone requirements are comfortably met in 12964.

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How many chill hours does 12964 get?: 12964 averages 1503 chill hours per winter, ranging from 1192 to 1897 across the last 10 years.
What hardiness zone is 12964?: 12964 is in USDA hardiness zone 4b.

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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