How many chill hours does 97030 get?

97030 averages 2203 chill hours per winter, ranging from 1904 to 2553 across the last 10 years.

What hardiness zone is 97030?

97030 is in USDA hardiness zone 9a.

Location almanac

The short answer

97030 averages 2,203 chill hours per winter (1,904–2,553 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 97030’s chill hours and zone:

Chill and zone requirements are comfortably met in 97030.

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How many chill hours does 97030 get?: 97030 averages 2203 chill hours per winter, ranging from 1904 to 2553 across the last 10 years.
What hardiness zone is 97030?: 97030 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