How many chill hours does 97457 get?

97457 averages 2134 chill hours per winter, ranging from 1939 to 2407 across the last 10 years.

What hardiness zone is 97457?

97457 is in USDA hardiness zone 8b.

Location almanac

The short answer

97457 averages 2,134 chill hours per winter (1,939–2,407 across 10 years) in USDA zone 8b.

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 97457’s chill hours and zone:

Chill and zone requirements are comfortably met in 97457.

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How many chill hours does 97457 get?: 97457 averages 2134 chill hours per winter, ranging from 1939 to 2407 across the last 10 years.
What hardiness zone is 97457?: 97457 is in USDA hardiness zone 8b.

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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