How many chill hours does 81225 get?

81225 averages 655 chill hours per winter, ranging from 551 to 811 across the last 10 years.

What hardiness zone is 81225?

81225 is in USDA hardiness zone 5a.

Location almanac

The short answer

81225 averages 655 chill hours per winter (551–811 across 10 years) in USDA zone 5a.

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 81225’s chill hours and zone:

Chill and zone requirements are comfortably met in 81225.

Show 69 more good fit varieties

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

Show 17 more marginal varieties

How many chill hours does 81225 get?: 81225 averages 655 chill hours per winter, ranging from 551 to 811 across the last 10 years.
What hardiness zone is 81225?: 81225 is in USDA hardiness zone 5a.

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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