How many chill hours does 95571 get?

95571 averages 2230 chill hours per winter, ranging from 1904 to 2459 across the last 10 years.

What hardiness zone is 95571?

95571 is in USDA hardiness zone 9b.

Location almanac

The short answer

95571 averages 2,230 chill hours per winter (1,904–2,459 across 10 years) in USDA zone 9b.

95571 climate
Average chill hours	2,230 (1,904–2,459 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically March 16 – April 19
First fall frost	typically November 3 – November 28

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 95571’s chill hours and zone:

Chill and zone requirements are comfortably met in 95571.

Show 87 more good fit varieties

How many chill hours does 95571 get?: 95571 averages 2230 chill hours per winter, ranging from 1904 to 2459 across the last 10 years.
What hardiness zone is 95571?: 95571 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