How many chill hours does 66434 get?

66434 averages 1395 chill hours per winter, ranging from 1185 to 1753 across the last 10 years.

What hardiness zone is 66434?

66434 is in USDA hardiness zone 6a.

Location almanac

The short answer

66434 averages 1,395 chill hours per winter (1,185–1,753 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 66434’s chill hours and zone:

Chill and zone requirements are comfortably met in 66434.

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How many chill hours does 66434 get?: 66434 averages 1395 chill hours per winter, ranging from 1185 to 1753 across the last 10 years.
What hardiness zone is 66434?: 66434 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