How many chill hours does 66017 get?

66017 averages 1404 chill hours per winter, ranging from 1209 to 1783 across the last 10 years.

What hardiness zone is 66017?

66017 is in USDA hardiness zone 6a.

Location almanac

The short answer

66017 averages 1,404 chill hours per winter (1,209–1,783 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 66017’s chill hours and zone:

Chill and zone requirements are comfortably met in 66017.

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How many chill hours does 66017 get?: 66017 averages 1404 chill hours per winter, ranging from 1209 to 1783 across the last 10 years.
What hardiness zone is 66017?: 66017 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