How many chill hours does 12946 get?

12946 averages 1130 chill hours per winter, ranging from 874 to 1647 across the last 10 years.

What hardiness zone is 12946?

12946 is in USDA hardiness zone 4a.

Location almanac

The short answer

12946 averages 1,130 chill hours per winter (874–1,647 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 12946’s chill hours and zone:

Chill and zone requirements are comfortably met in 12946.

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How many chill hours does 12946 get?: 12946 averages 1130 chill hours per winter, ranging from 874 to 1647 across the last 10 years.
What hardiness zone is 12946?: 12946 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