How many chill hours does 66758 get?

66758 averages 1381 chill hours per winter, ranging from 1150 to 1733 across the last 10 years.

What hardiness zone is 66758?

66758 is in USDA hardiness zone 6b.

Location almanac

The short answer

66758 averages 1,381 chill hours per winter (1,150–1,733 across 10 years) in USDA zone 6b.

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 66758’s chill hours and zone:

Chill and zone requirements are comfortably met in 66758.

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How many chill hours does 66758 get?: 66758 averages 1381 chill hours per winter, ranging from 1150 to 1733 across the last 10 years.
What hardiness zone is 66758?: 66758 is in USDA hardiness zone 6b.

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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