How many chill hours does 71452 get?

71452 averages 660 chill hours per winter, ranging from 348 to 794 across the last 10 years.

What hardiness zone is 71452?

71452 is in USDA hardiness zone 9a.

Location almanac

The short answer

71452 averages 660 chill hours per winter (348–794 across 10 years) in USDA zone 9a.

71452 climate
Average chill hours	660 (348–794 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically January 25 – March 12
First fall frost	typically November 15 – 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 71452’s chill hours and zone:

Chill and zone requirements are comfortably met in 71452.

Show 55 more good fit varieties

Possible in a good year or a favorable microclimate — click through for the caveats.

How many chill hours does 71452 get?: 71452 averages 660 chill hours per winter, ranging from 348 to 794 across the last 10 years.
What hardiness zone is 71452?: 71452 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