How many chill hours does 12855 get?

12855 averages 1236 chill hours per winter, ranging from 979 to 1695 across the last 10 years.

What hardiness zone is 12855?

12855 is in USDA hardiness zone 4b.

Location almanac

The short answer

12855 averages 1,236 chill hours per winter (979–1,695 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 12855’s chill hours and zone:

Chill and zone requirements are comfortably met in 12855.

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How many chill hours does 12855 get?: 12855 averages 1236 chill hours per winter, ranging from 979 to 1695 across the last 10 years.
What hardiness zone is 12855?: 12855 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