How many chill hours does 95309 get?

95309 averages 1266 chill hours per winter, ranging from 1089 to 1623 across the last 10 years.

What hardiness zone is 95309?

95309 is in USDA hardiness zone 9b.

Location almanac

The short answer

95309 averages 1,266 chill hours per winter (1,089–1,623 across 10 years) in USDA zone 9b.

95309 climate
Average chill hours	1,266 (1,089–1,623 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically February 2 – April 5
First fall frost	typically November 20 – December 18

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 95309’s chill hours and zone:

Chill and zone requirements are comfortably met in 95309.

Show 87 more good fit varieties

How many chill hours does 95309 get?: 95309 averages 1266 chill hours per winter, ranging from 1089 to 1623 across the last 10 years.
What hardiness zone is 95309?: 95309 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