How many chill hours does 97390 get?

97390 averages 2082 chill hours per winter, ranging from 1411 to 2470 across the last 10 years.

What hardiness zone is 97390?

97390 is in USDA hardiness zone 9a.

Location almanac

The short answer

97390 averages 2,082 chill hours per winter (1,411–2,470 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 97390’s chill hours and zone:

Chill and zone requirements are comfortably met in 97390.

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How many chill hours does 97390 get?: 97390 averages 2082 chill hours per winter, ranging from 1411 to 2470 across the last 10 years.
What hardiness zone is 97390?: 97390 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