How many chill hours does 65591 get?

65591 averages 1430 chill hours per winter, ranging from 1143 to 1725 across the last 10 years.

What hardiness zone is 65591?

65591 is in USDA hardiness zone 6b.

Location almanac

The short answer

65591 averages 1,430 chill hours per winter (1,143–1,725 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 65591’s chill hours and zone:

Chill and zone requirements are comfortably met in 65591.

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How many chill hours does 65591 get?: 65591 averages 1430 chill hours per winter, ranging from 1143 to 1725 across the last 10 years.
What hardiness zone is 65591?: 65591 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