How many chill hours does 71233 get?

71233 averages 688 chill hours per winter, ranging from 389 to 818 across the last 10 years.

What hardiness zone is 71233?

71233 is in USDA hardiness zone 8b.

Location almanac

The short answer

71233 averages 688 chill hours per winter (389–818 across 10 years) in USDA zone 8b.

71233 climate
Average chill hours	688 (389–818 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically January 21 – March 13
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 71233’s chill hours and zone:

Chill and zone requirements are comfortably met in 71233.

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 71233 get?: 71233 averages 688 chill hours per winter, ranging from 389 to 818 across the last 10 years.
What hardiness zone is 71233?: 71233 is in USDA hardiness zone 8b.

Growing fruit trees in 71233? 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