How many chill hours does 95521 get?

95521 averages 1328 chill hours per winter, ranging from 794 to 1750 across the last 10 years.

What hardiness zone is 95521?

95521 is in USDA hardiness zone 9b.

Location almanac

The short answer

95521 averages 1,328 chill hours per winter (794–1,750 across 10 years) in USDA zone 9b.

95521 climate
Average chill hours	1,328 (794–1,750 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically February 28 – March 26
First fall frost	typically November 10 – December 30

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 95521’s chill hours and zone:

Chill and zone requirements are comfortably met in 95521.

Show 87 more good fit varieties

How many chill hours does 95521 get?: 95521 averages 1328 chill hours per winter, ranging from 794 to 1750 across the last 10 years.
What hardiness zone is 95521?: 95521 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