How many chill hours does 97493 get?

97493 averages 1905 chill hours per winter, ranging from 1514 to 2480 across the last 10 years.

What hardiness zone is 97493?

97493 is in USDA hardiness zone 9a.

Location almanac

The short answer

97493 averages 1,905 chill hours per winter (1,514–2,480 across 10 years) in USDA zone 9a.

97493 climate
Average chill hours	1,905 (1,514–2,480 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically January 3 – April 3
First fall frost	typically November 10 – December 21

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 97493’s chill hours and zone:

Chill and zone requirements are comfortably met in 97493.

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How many chill hours does 97493 get?: 97493 averages 1905 chill hours per winter, ranging from 1514 to 2480 across the last 10 years.
What hardiness zone is 97493?: 97493 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