How many chill hours does 95458 get?

95458 averages 1987 chill hours per winter, ranging from 1719 to 2421 across the last 10 years.

What hardiness zone is 95458?

95458 is in USDA hardiness zone 9a.

Location almanac

The short answer

95458 averages 1,987 chill hours per winter (1,719–2,421 across 10 years) in USDA zone 9a.

95458 climate
Average chill hours	1,987 (1,719–2,421 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically February 3 – April 7
First fall frost	typically November 16 – December 16

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 95458’s chill hours and zone:

Chill and zone requirements are comfortably met in 95458.

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How many chill hours does 95458 get?: 95458 averages 1987 chill hours per winter, ranging from 1719 to 2421 across the last 10 years.
What hardiness zone is 95458?: 95458 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