How many chill hours does 97423 get?

97423 averages 1670 chill hours per winter, ranging from 1291 to 2085 across the last 10 years.

What hardiness zone is 97423?

97423 is in USDA hardiness zone 9a.

Location almanac

The short answer

97423 averages 1,670 chill hours per winter (1,291–2,085 across 10 years) in USDA zone 9a.

97423 climate
Average chill hours	1,670 (1,291–2,085 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically March 9 – April 15
First fall frost	typically November 10 – December 14

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 97423’s chill hours and zone:

Chill and zone requirements are comfortably met in 97423.

Show 87 more good fit varieties

How many chill hours does 97423 get?: 97423 averages 1670 chill hours per winter, ranging from 1291 to 2085 across the last 10 years.
What hardiness zone is 97423?: 97423 is in USDA hardiness zone 9a.

Growing fruit trees in 97423? 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