How many chill hours does 97201 get?

97201 averages 2187 chill hours per winter, ranging from 1886 to 2624 across the last 10 years.

What hardiness zone is 97201?

97201 is in USDA hardiness zone 8b.

Location almanac

The short answer

97201 averages 2,187 chill hours per winter (1,886–2,624 across 10 years) in USDA zone 8b.

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 97201’s chill hours and zone:

Chill and zone requirements are comfortably met in 97201.

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

How many chill hours does 97201 get?: 97201 averages 2187 chill hours per winter, ranging from 1886 to 2624 across the last 10 years.
What hardiness zone is 97201?: 97201 is in USDA hardiness zone 8b.

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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