How many chill hours does 97415 get?

97415 averages 1709 chill hours per winter, ranging from 1278 to 2197 across the last 10 years.

What hardiness zone is 97415?

97415 is in USDA hardiness zone 9b.

Location almanac

The short answer

97415 averages 1,709 chill hours per winter (1,278–2,197 across 10 years) in USDA zone 9b.

97415 climate
Average chill hours	1,709 (1,278–2,197 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically March 23 – April 20
First fall frost	typically November 9 – December 10

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 97415’s chill hours and zone:

Chill and zone requirements are comfortably met in 97415.

Show 87 more good fit varieties

How many chill hours does 97415 get?: 97415 averages 1709 chill hours per winter, ranging from 1278 to 2197 across the last 10 years.
What hardiness zone is 97415?: 97415 is in USDA hardiness zone 9b.

Growing fruit trees in 97415? 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