How many chill hours does 81130 get?

81130 averages 837 chill hours per winter, ranging from 570 to 1151 across the last 10 years.

What hardiness zone is 81130?

81130 is in USDA hardiness zone 5a.

Location almanac

The short answer

81130 averages 837 chill hours per winter (570–1,151 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 81130’s chill hours and zone:

Chill and zone requirements are comfortably met in 81130.

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 81130 get?: 81130 averages 837 chill hours per winter, ranging from 570 to 1151 across the last 10 years.
What hardiness zone is 81130?: 81130 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