How many chill hours does 71450 get?

71450 averages 667 chill hours per winter, ranging from 341 to 840 across the last 10 years.

What hardiness zone is 71450?

71450 is in USDA hardiness zone 8b.

Location almanac

The short answer

71450 averages 667 chill hours per winter (341–840 across 10 years) in USDA zone 8b.

71450 climate
Average chill hours	667 (341–840 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically January 23 – March 13
First fall frost	typically November 15 – December 9

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 71450’s chill hours and zone:

Chill and zone requirements are comfortably met in 71450.

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 71450 get?: 71450 averages 667 chill hours per winter, ranging from 341 to 840 across the last 10 years.
What hardiness zone is 71450?: 71450 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