How many chill hours does 64778 get?

64778 averages 1369 chill hours per winter, ranging from 1142 to 1696 across the last 10 years.

What hardiness zone is 64778?

64778 is in USDA hardiness zone 6b.

Location almanac

The short answer

64778 averages 1,369 chill hours per winter (1,142–1,696 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 64778’s chill hours and zone:

Chill and zone requirements are comfortably met in 64778.

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How many chill hours does 64778 get?: 64778 averages 1369 chill hours per winter, ranging from 1142 to 1696 across the last 10 years.
What hardiness zone is 64778?: 64778 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