How many chill hours does 81335 get?

81335 averages 1499 chill hours per winter, ranging from 1180 to 1806 across the last 10 years.

What hardiness zone is 81335?

81335 is in USDA hardiness zone 6b.

Location almanac

The short answer

81335 averages 1,499 chill hours per winter (1,180–1,806 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 81335’s chill hours and zone:

Chill and zone requirements are comfortably met in 81335.

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How many chill hours does 81335 get?: 81335 averages 1499 chill hours per winter, ranging from 1180 to 1806 across the last 10 years.
What hardiness zone is 81335?: 81335 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