How many chill hours does 98106 get?

98106 averages 2261 chill hours per winter, ranging from 2113 to 2571 across the last 10 years.

What hardiness zone is 98106?

98106 is in USDA hardiness zone 9a.

Location almanac

The short answer

98106 averages 2,261 chill hours per winter (2,113–2,571 across 10 years) in USDA zone 9a.

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 98106’s chill hours and zone:

Chill and zone requirements are comfortably met in 98106.

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How many chill hours does 98106 get?: 98106 averages 2261 chill hours per winter, ranging from 2113 to 2571 across the last 10 years.
What hardiness zone is 98106?: 98106 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