How many chill hours does 12803 get?

12803 averages 1573 chill hours per winter, ranging from 1304 to 1850 across the last 10 years.

What hardiness zone is 12803?

12803 is in USDA hardiness zone 5a.

Location almanac

The short answer

12803 averages 1,573 chill hours per winter (1,304–1,850 across 10 years) in USDA zone 5a.

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 12803’s chill hours and zone:

Chill and zone requirements are comfortably met in 12803.

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How many chill hours does 12803 get?: 12803 averages 1573 chill hours per winter, ranging from 1304 to 1850 across the last 10 years.
What hardiness zone is 12803?: 12803 is in USDA hardiness zone 5a.

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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