How many chill hours does 95123 get?

95123 averages 681 chill hours per winter, ranging from 521 to 1046 across the last 10 years.

What hardiness zone is 95123?

95123 is in USDA hardiness zone 9b.

Location almanac

The short answer

95123 averages 681 chill hours per winter (521–1,046 across 10 years) in USDA zone 9b.

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 95123’s chill hours and zone:

Chill and zone requirements are comfortably met in 95123.

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Possible in a good year or a favorable microclimate — click through for the caveats.

Show 2 more marginal varieties

How many chill hours does 95123 get?: 95123 averages 681 chill hours per winter, ranging from 521 to 1046 across the last 10 years.
What hardiness zone is 95123?: 95123 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