How many chill hours does 86404 get?

86404 averages 394 chill hours per winter, ranging from 186 to 677 across the last 10 years.

What hardiness zone is 86404?

86404 is in USDA hardiness zone 10a.

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The short answer

86404 averages 394 chill hours per winter (186–677 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 86404’s chill hours and zone:

Chill and zone requirements are comfortably met in 86404.

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 86404 get?: 86404 averages 394 chill hours per winter, ranging from 186 to 677 across the last 10 years.
What hardiness zone is 86404?: 86404 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