How many chill hours does 94550 get?

94550 averages 1766 chill hours per winter, ranging from 1361 to 2201 across the last 10 years.

What hardiness zone is 94550?

94550 is in USDA hardiness zone 9b.

Location almanac

The short answer

94550 averages 1,766 chill hours per winter (1,361–2,201 across 10 years) in USDA zone 9b.

94550 climate
Average chill hours	1,766 (1,361–2,201 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically February 3 – April 13
First fall frost	typically November 10 – December 18

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 94550’s chill hours and zone:

Chill and zone requirements are comfortably met in 94550.

Show 87 more good fit varieties

How many chill hours does 94550 get?: 94550 averages 1766 chill hours per winter, ranging from 1361 to 2201 across the last 10 years.
What hardiness zone is 94550?: 94550 is in USDA hardiness zone 9b.

Growing fruit trees in 94550? 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