How many chill hours does 82190 get?

82190 averages 793 chill hours per winter, ranging from 579 to 1204 across the last 10 years.

What hardiness zone is 82190?

82190 is in USDA hardiness zone 4b.

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The short answer

82190 averages 793 chill hours per winter (579–1,204 across 10 years) in USDA zone 4b.

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 82190’s chill hours and zone:

Chill and zone requirements are comfortably met in 82190.

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

How many chill hours does 82190 get?: 82190 averages 793 chill hours per winter, ranging from 579 to 1204 across the last 10 years.
What hardiness zone is 82190?: 82190 is in USDA hardiness zone 4b.

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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