How many chill hours does 93023 get?

93023 averages 1271 chill hours per winter, ranging from 904 to 1528 across the last 10 years.

What hardiness zone is 93023?

93023 is in USDA hardiness zone 8b.

Location almanac

The short answer

93023 averages 1,271 chill hours per winter (904–1,528 across 10 years) in USDA zone 8b.

93023 climate
Average chill hours	1,271 (904–1,528 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically March 6 – April 15
First fall frost	typically November 10 – December 21

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 93023’s chill hours and zone:

Chill and zone requirements are comfortably met in 93023.

Show 129 more good fit varieties

How many chill hours does 93023 get?: 93023 averages 1271 chill hours per winter, ranging from 904 to 1528 across the last 10 years.
What hardiness zone is 93023?: 93023 is in USDA hardiness zone 8b.

Growing fruit trees in 93023? 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