How many chill hours does 90290 get?

90290 averages 516 chill hours per winter, ranging from 284 to 847 across the last 10 years.

What hardiness zone is 90290?

90290 is in USDA hardiness zone 10b.

Location almanac

The short answer

90290 averages 516 chill hours per winter (284–847 across 10 years) in USDA zone 10b.

90290 climate
Average chill hours	516 (284–847 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 90290’s chill hours and zone:

Chill and zone requirements are comfortably met in 90290.

Show 22 more good fit varieties

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

How many chill hours does 90290 get?: 90290 averages 516 chill hours per winter, ranging from 284 to 847 across the last 10 years.
What hardiness zone is 90290?: 90290 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