How many chill hours does 93255 get?

93255 averages 1751 chill hours per winter, ranging from 1499 to 1965 across the last 10 years.

What hardiness zone is 93255?

93255 is in USDA hardiness zone 9a.

Location almanac

The short answer

93255 averages 1,751 chill hours per winter (1,499–1,965 across 10 years) in USDA zone 9a.

93255 climate
Average chill hours	1,751 (1,499–1,965 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically May 7 – May 28
First fall frost	typically September 29 – November 12

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 93255’s chill hours and zone:

Chill and zone requirements are comfortably met in 93255.

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How many chill hours does 93255 get?: 93255 averages 1751 chill hours per winter, ranging from 1499 to 1965 across the last 10 years.
What hardiness zone is 93255?: 93255 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