How many chill hours does 97752 get?

97752 averages 1856 chill hours per winter, ranging from 1400 to 2196 across the last 10 years.

What hardiness zone is 97752?

97752 is in USDA hardiness zone 6a.

Location almanac

The short answer

97752 averages 1,856 chill hours per winter (1,400–2,196 across 10 years) in USDA zone 6a.

97752 climate
Average chill hours	1,856 (1,400–2,196 across 10 winters)
USDA hardiness zone	6a
Last spring frost	typically April 27 – May 21
First fall frost	typically September 29 – October 23

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 97752’s chill hours and zone:

Chill and zone requirements are comfortably met in 97752.

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How many chill hours does 97752 get?: 97752 averages 1856 chill hours per winter, ranging from 1400 to 2196 across the last 10 years.
What hardiness zone is 97752?: 97752 is in USDA hardiness zone 6a.

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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