How many chill hours does 95978 get?

95978 averages 2178 chill hours per winter, ranging from 1895 to 2432 across the last 10 years.

What hardiness zone is 95978?

95978 is in USDA hardiness zone 8b.

Location almanac

The short answer

95978 averages 2,178 chill hours per winter (1,895–2,432 across 10 years) in USDA zone 8b.

95978 climate
Average chill hours	2,178 (1,895–2,432 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically March 31 – May 13
First fall frost	typically November 2 – November 26

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 95978’s chill hours and zone:

Chill and zone requirements are comfortably met in 95978.

Show 129 more good fit varieties

How many chill hours does 95978 get?: 95978 averages 2178 chill hours per winter, ranging from 1895 to 2432 across the last 10 years.
What hardiness zone is 95978?: 95978 is in USDA hardiness zone 8b.

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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