How many chill hours does 71378 get?

71378 averages 679 chill hours per winter, ranging from 387 to 801 across the last 10 years.

What hardiness zone is 71378?

71378 is in USDA hardiness zone 8b.

Location almanac

The short answer

71378 averages 679 chill hours per winter (387–801 across 10 years) in USDA zone 8b.

71378 climate
Average chill hours	679 (387–801 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically January 25 – March 13
First fall frost	typically November 15 – December 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 71378’s chill hours and zone:

Chill and zone requirements are comfortably met in 71378.

Show 79 more good fit varieties

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

Show 14 more marginal varieties

How many chill hours does 71378 get?: 71378 averages 679 chill hours per winter, ranging from 387 to 801 across the last 10 years.
What hardiness zone is 71378?: 71378 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