How many chill hours does 97406 get?

97406 averages 2385 chill hours per winter, ranging from 2072 to 2571 across the last 10 years.

What hardiness zone is 97406?

97406 is in USDA hardiness zone 9a.

Location almanac

The short answer

97406 averages 2,385 chill hours per winter (2,072–2,571 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 97406’s chill hours and zone:

Chill and zone requirements are comfortably met in 97406.

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How many chill hours does 97406 get?: 97406 averages 2385 chill hours per winter, ranging from 2072 to 2571 across the last 10 years.
What hardiness zone is 97406?: 97406 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