How many chill hours does 66411 get?

66411 averages 1396 chill hours per winter, ranging from 1196 to 1703 across the last 10 years.

What hardiness zone is 66411?

66411 is in USDA hardiness zone 6a.

Location almanac

The short answer

66411 averages 1,396 chill hours per winter (1,196–1,703 across 10 years) in USDA zone 6a.

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 66411’s chill hours and zone:

Chill and zone requirements are comfortably met in 66411.

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How many chill hours does 66411 get?: 66411 averages 1396 chill hours per winter, ranging from 1196 to 1703 across the last 10 years.
What hardiness zone is 66411?: 66411 is in USDA hardiness zone 6a.

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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