How many chill hours does 97343 get?

97343 averages 2088 chill hours per winter, ranging from 1715 to 2598 across the last 10 years.

What hardiness zone is 97343?

97343 is in USDA hardiness zone 9a.

Location almanac

The short answer

97343 averages 2,088 chill hours per winter (1,715–2,598 across 10 years) in USDA zone 9a.

97343 climate
Average chill hours	2,088 (1,715–2,598 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically January 31 – April 11
First fall frost	typically November 9 – December 11

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 97343’s chill hours and zone:

Chill and zone requirements are comfortably met in 97343.

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How many chill hours does 97343 get?: 97343 averages 2088 chill hours per winter, ranging from 1715 to 2598 across the last 10 years.
What hardiness zone is 97343?: 97343 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