How many chill hours does 95658 get?

95658 averages 1138 chill hours per winter, ranging from 983 to 1641 across the last 10 years.

What hardiness zone is 95658?

95658 is in USDA hardiness zone 9b.

Location almanac

The short answer

95658 averages 1,138 chill hours per winter (983–1,641 across 10 years) in USDA zone 9b.

95658 climate
Average chill hours	1,138 (983–1,641 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically January 12 – April 4
First fall frost	typically November 26 – December 17

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 95658’s chill hours and zone:

Chill and zone requirements are comfortably met in 95658.

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How many chill hours does 95658 get?: 95658 averages 1138 chill hours per winter, ranging from 983 to 1641 across the last 10 years.
What hardiness zone is 95658?: 95658 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