How many chill hours does 93409 get?

93409 averages 700 chill hours per winter, ranging from 302 to 1148 across the last 10 years.

What hardiness zone is 93409?

93409 is in USDA hardiness zone 9b.

Location almanac

The short answer

93409 averages 700 chill hours per winter (302–1,148 across 10 years) in USDA zone 9b.

93409 climate
Average chill hours	700 (302–1,148 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically February 4 – February 24

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 93409’s chill hours and zone:

Chill and zone requirements are comfortably met in 93409.

Show 66 more good fit varieties

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

How many chill hours does 93409 get?: 93409 averages 700 chill hours per winter, ranging from 302 to 1148 across the last 10 years.
What hardiness zone is 93409?: 93409 is in USDA hardiness zone 9b.

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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