How many chill hours does 96021 get?

96021 averages 1021 chill hours per winter, ranging from 784 to 1577 across the last 10 years.

What hardiness zone is 96021?

96021 is in USDA hardiness zone 9b.

Location almanac

The short answer

96021 averages 1,021 chill hours per winter (784–1,577 across 10 years) in USDA zone 9b.

96021 climate
Average chill hours	1,021 (784–1,577 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically January 26 – February 24
First fall frost	typically November 28 – 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 96021’s chill hours and zone:

Chill and zone requirements are comfortably met in 96021.

Show 87 more good fit varieties

How many chill hours does 96021 get?: 96021 averages 1021 chill hours per winter, ranging from 784 to 1577 across the last 10 years.
What hardiness zone is 96021?: 96021 is in USDA hardiness zone 9b.

Growing fruit trees in 96021? 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