How many chill hours does 97430 get?

97430 averages 2186 chill hours per winter, ranging from 1664 to 2596 across the last 10 years.

What hardiness zone is 97430?

97430 is in USDA hardiness zone 9a.

Location almanac

The short answer

97430 averages 2,186 chill hours per winter (1,664–2,596 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 97430’s chill hours and zone:

Chill and zone requirements are comfortably met in 97430.

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How many chill hours does 97430 get?: 97430 averages 2186 chill hours per winter, ranging from 1664 to 2596 across the last 10 years.
What hardiness zone is 97430?: 97430 is in USDA hardiness zone 9a.

Growing fruit trees in 97430? Get a care calendar anchored to this exact climate, with email reminders.

[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