How many chill hours does 98326 get?

98326 averages 2542 chill hours per winter, ranging from 2292 to 2766 across the last 10 years.

What hardiness zone is 98326?

98326 is in USDA hardiness zone 9a.

Location almanac

The short answer

98326 averages 2,542 chill hours per winter (2,292–2,766 across 10 years) in USDA zone 9a.

98326 climate
Average chill hours	2,542 (2,292–2,766 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically March 19 – April 14
First fall frost	typically November 8 – December 7

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 98326’s chill hours and zone:

Chill and zone requirements are comfortably met in 98326.

Show 87 more good fit varieties

How many chill hours does 98326 get?: 98326 averages 2542 chill hours per winter, ranging from 2292 to 2766 across the last 10 years.
What hardiness zone is 98326?: 98326 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