How many chill hours does 78414 get?

78414 averages 143 chill hours per winter, ranging from 59 to 250 across the last 10 years.

What hardiness zone is 78414?

78414 is in USDA hardiness zone 10a.

Location almanac

The short answer

78414 averages 143 chill hours per winter (59–250 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 78414’s chill hours and zone:

Chill and zone requirements are comfortably met in 78414.

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

How many chill hours does 78414 get?: 78414 averages 143 chill hours per winter, ranging from 59 to 250 across the last 10 years.
What hardiness zone is 78414?: 78414 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