How many chill hours does 71923 get?

71923 averages 998 chill hours per winter, ranging from 703 to 1333 across the last 10 years.

What hardiness zone is 71923?

71923 is in USDA hardiness zone 8a.

Location almanac

The short answer

71923 averages 998 chill hours per winter (703–1,333 across 10 years) in USDA zone 8a.

71923 climate
Average chill hours	998 (703–1,333 across 10 winters)
USDA hardiness zone	8a
Last spring frost	typically February 27 – March 20
First fall frost	typically November 10 – December 10

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 71923’s chill hours and zone:

Chill and zone requirements are comfortably met in 71923.

Show 127 more good fit varieties

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

Marginal varieties for this location
Variety	Fruit
Rome Beauty	Apple
Reliance	Peach

How many chill hours does 71923 get?: 71923 averages 998 chill hours per winter, ranging from 703 to 1333 across the last 10 years.
What hardiness zone is 71923?: 71923 is in USDA hardiness zone 8a.

Growing fruit trees in 71923? Get a care calendar anchored to this exact climate, with email reminders.

[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