How many chill hours does 93254 get?

93254 averages 1073 chill hours per winter, ranging from 725 to 1485 across the last 10 years.

What hardiness zone is 93254?

93254 is in USDA hardiness zone 9a.

Location almanac

The short answer

93254 averages 1,073 chill hours per winter (725–1,485 across 10 years) in USDA zone 9a.

93254 climate
Average chill hours	1,073 (725–1,485 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically February 1 – March 19
First fall frost	typically December 13 – December 27

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 93254’s chill hours and zone:

Chill and zone requirements are comfortably met in 93254.

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How many chill hours does 93254 get?: 93254 averages 1073 chill hours per winter, ranging from 725 to 1485 across the last 10 years.
What hardiness zone is 93254?: 93254 is in USDA hardiness zone 9a.

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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