How many chill hours does 97209 get?

97209 averages 2174 chill hours per winter, ranging from 1874 to 2624 across the last 10 years.

What hardiness zone is 97209?

97209 is in USDA hardiness zone 9a.

Location almanac

The short answer

97209 averages 2,174 chill hours per winter (1,874–2,624 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 97209’s chill hours and zone:

Chill and zone requirements are comfortably met in 97209.

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How many chill hours does 97209 get?: 97209 averages 2174 chill hours per winter, ranging from 1874 to 2624 across the last 10 years.
What hardiness zone is 97209?: 97209 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