How many chill hours does 90680 get?

90680 averages 146 chill hours per winter, ranging from 18 to 305 across the last 10 years.

What hardiness zone is 90680?

90680 is in USDA hardiness zone 10a.

Location almanac

The short answer

90680 averages 146 chill hours per winter (18–305 across 10 years) in USDA zone 10a.

90680 climate
Average chill hours	146 (18–305 across 10 winters)
USDA hardiness 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 90680’s chill hours and zone:

Chill and zone requirements are comfortably met in 90680.

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

Show 1 more marginal variety

How many chill hours does 90680 get?: 90680 averages 146 chill hours per winter, ranging from 18 to 305 across the last 10 years.
What hardiness zone is 90680?: 90680 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