How many chill hours does 95830 get?

95830 averages 1134 chill hours per winter, ranging from 856 to 1551 across the last 10 years.

What hardiness zone is 95830?

95830 is in USDA hardiness zone 9b.

Location almanac

The short answer

95830 averages 1,134 chill hours per winter (856–1,551 across 10 years) in USDA zone 9b.

95830 climate
Average chill hours	1,134 (856–1,551 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically January 12 – March 16
First fall frost	typically November 20 – 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 95830’s chill hours and zone:

Chill and zone requirements are comfortably met in 95830.

Show 87 more good fit varieties

How many chill hours does 95830 get?: 95830 averages 1134 chill hours per winter, ranging from 856 to 1551 across the last 10 years.
What hardiness zone is 95830?: 95830 is in USDA hardiness zone 9b.

Growing fruit trees in 95830? Get a care calendar anchored to this exact climate, with email reminders.

[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