How many chill hours does 95441 get?

95441 averages 1276 chill hours per winter, ranging from 1106 to 1757 across the last 10 years.

What hardiness zone is 95441?

95441 is in USDA hardiness zone 9b.

Location almanac

The short answer

95441 averages 1,276 chill hours per winter (1,106–1,757 across 10 years) in USDA zone 9b.

95441 climate
Average chill hours	1,276 (1,106–1,757 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically January 8 – April 4
First fall frost	typically November 26 – December 21

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 95441’s chill hours and zone:

Chill and zone requirements are comfortably met in 95441.

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How many chill hours does 95441 get?: 95441 averages 1276 chill hours per winter, ranging from 1106 to 1757 across the last 10 years.
What hardiness zone is 95441?: 95441 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