How many chill hours does 65604 get?

65604 averages 1372 chill hours per winter, ranging from 1142 to 1671 across the last 10 years.

What hardiness zone is 65604?

65604 is in USDA hardiness zone 6b.

Location almanac

The short answer

65604 averages 1,372 chill hours per winter (1,142–1,671 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 65604’s chill hours and zone:

Chill and zone requirements are comfortably met in 65604.

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How many chill hours does 65604 get?: 65604 averages 1372 chill hours per winter, ranging from 1142 to 1671 across the last 10 years.
What hardiness zone is 65604?: 65604 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