How many chill hours does 95673 get?

95673 averages 1002 chill hours per winter, ranging from 818 to 1451 across the last 10 years.

What hardiness zone is 95673?

95673 is in USDA hardiness zone 9b.

Location almanac

The short answer

95673 averages 1,002 chill hours per winter (818–1,451 across 10 years) in USDA zone 9b.

95673 climate
Average chill hours	1,002 (818–1,451 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically January 25 – February 26
First fall frost	typically November 27 – December 19

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 95673’s chill hours and zone:

Chill and zone requirements are comfortably met in 95673.

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How many chill hours does 95673 get?: 95673 averages 1002 chill hours per winter, ranging from 818 to 1451 across the last 10 years.
What hardiness zone is 95673?: 95673 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