How many chill hours does 81426 get?

81426 averages 828 chill hours per winter, ranging from 594 to 1014 across the last 10 years.

What hardiness zone is 81426?

81426 is in USDA hardiness zone 5b.

Location almanac

The short answer

81426 averages 828 chill hours per winter (594–1,014 across 10 years) in USDA zone 5b.

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 81426’s chill hours and zone:

Chill and zone requirements are comfortably met in 81426.

Show 116 more good fit varieties

Possible in a good year or a favorable microclimate — click through for the caveats.

How many chill hours does 81426 get?: 81426 averages 828 chill hours per winter, ranging from 594 to 1014 across the last 10 years.
What hardiness zone is 81426?: 81426 is in USDA hardiness zone 5b.

Growing fruit trees in 81426? Get a care calendar anchored to this exact climate, with email reminders.

[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