How many chill hours does 86406 get?

86406 averages 638 chill hours per winter, ranging from 397 to 953 across the last 10 years.

What hardiness zone is 86406?

86406 is in USDA hardiness zone 10a.

Location almanac

The short answer

86406 averages 638 chill hours per winter (397–953 across 10 years) in USDA zone 10a.

86406 climate
Average chill hours	638 (397–953 across 10 winters)
USDA hardiness zone	10a
Last spring frost	typically January 12 – February 24
First fall frost	typically December 1 – December 22

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 86406’s chill hours and zone:

Chill and zone requirements are comfortably met in 86406.

Show 24 more good fit varieties

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

How many chill hours does 86406 get?: 86406 averages 638 chill hours per winter, ranging from 397 to 953 across the last 10 years.
What hardiness zone is 86406?: 86406 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