How many chill hours does 97222 get?

97222 averages 2181 chill hours per winter, ranging from 1868 to 2582 across the last 10 years.

What hardiness zone is 97222?

97222 is in USDA hardiness zone 9a.

Location almanac

The short answer

97222 averages 2,181 chill hours per winter (1,868–2,582 across 10 years) in USDA zone 9a.

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 97222’s chill hours and zone:

Chill and zone requirements are comfortably met in 97222.

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How many chill hours does 97222 get?: 97222 averages 2181 chill hours per winter, ranging from 1868 to 2582 across the last 10 years.
What hardiness zone is 97222?: 97222 is in USDA hardiness zone 9a.

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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