How many chill hours does 93591 get?

93591 averages 1102 chill hours per winter, ranging from 796 to 1552 across the last 10 years.

What hardiness zone is 93591?

93591 is in USDA hardiness zone 8b.

Location almanac

The short answer

93591 averages 1,102 chill hours per winter (796–1,552 across 10 years) in USDA zone 8b.

93591 climate
Average chill hours	1,102 (796–1,552 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically February 2 – March 17
First fall frost	typically November 20 – 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 93591’s chill hours and zone:

Chill and zone requirements are comfortably met in 93591.

Show 129 more good fit varieties

How many chill hours does 93591 get?: 93591 averages 1102 chill hours per winter, ranging from 796 to 1552 across the last 10 years.
What hardiness zone is 93591?: 93591 is in USDA hardiness zone 8b.

Growing fruit trees in 93591? 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