How many chill hours does 64477 get?

64477 averages 1442 chill hours per winter, ranging from 1178 to 1805 across the last 10 years.

What hardiness zone is 64477?

64477 is in USDA hardiness zone 6a.

Location almanac

The short answer

64477 averages 1,442 chill hours per winter (1,178–1,805 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 64477’s chill hours and zone:

Chill and zone requirements are comfortably met in 64477.

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How many chill hours does 64477 get?: 64477 averages 1442 chill hours per winter, ranging from 1178 to 1805 across the last 10 years.
What hardiness zone is 64477?: 64477 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