How many chill hours does 91792 get?

91792 averages 401 chill hours per winter, ranging from 238 to 739 across the last 10 years.

What hardiness zone is 91792?

91792 is in USDA hardiness zone 10a.

Location almanac

The short answer

91792 averages 401 chill hours per winter (238–739 across 10 years) in USDA zone 10a.

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 91792’s chill hours and zone:

Chill and zone requirements are comfortably met in 91792.

Show 17 more good fit varieties

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

How many chill hours does 91792 get?: 91792 averages 401 chill hours per winter, ranging from 238 to 739 across the last 10 years.
What hardiness zone is 91792?: 91792 is in USDA hardiness zone 10a.

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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