How many chill hours does 91754 get?

91754 averages 393 chill hours per winter, ranging from 229 to 762 across the last 10 years.

What hardiness zone is 91754?

91754 is in USDA hardiness zone 10b.

Location almanac

The short answer

91754 averages 393 chill hours per winter (229–762 across 10 years) in USDA zone 10b.

91754 climate
Average chill hours	393 (229–762 across 10 winters)
USDA hardiness zone	10b

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 91754’s chill hours and zone:

Chill and zone requirements are comfortably met in 91754.

Show 13 more good fit varieties

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

How many chill hours does 91754 get?: 91754 averages 393 chill hours per winter, ranging from 229 to 762 across the last 10 years.
What hardiness zone is 91754?: 91754 is in USDA hardiness zone 10b.

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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