How many chill hours does 97450 get?

97450 averages 1868 chill hours per winter, ranging from 1390 to 2406 across the last 10 years.

What hardiness zone is 97450?

97450 is in USDA hardiness zone 9a.

Location almanac

The short answer

97450 averages 1,868 chill hours per winter (1,390–2,406 across 10 years) in USDA zone 9a.

97450 climate
Average chill hours	1,868 (1,390–2,406 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically March 6 – April 13
First fall frost	typically November 3 – December 17

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 97450’s chill hours and zone:

Chill and zone requirements are comfortably met in 97450.

Show 87 more good fit varieties

How many chill hours does 97450 get?: 97450 averages 1868 chill hours per winter, ranging from 1390 to 2406 across the last 10 years.
What hardiness zone is 97450?: 97450 is in USDA hardiness zone 9a.

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[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