How many chill hours does 78833 get?

78833 averages 572 chill hours per winter, ranging from 303 to 670 across the last 10 years.

What hardiness zone is 78833?

78833 is in USDA hardiness zone 8b.

Location almanac

The short answer

78833 averages 572 chill hours per winter (303–670 across 10 years) in USDA zone 8b.

78833 climate
Average chill hours	572 (303–670 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically January 10 – March 6
First fall frost	typically November 14 – December 17

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 78833’s chill hours and zone:

Chill and zone requirements are comfortably met in 78833.

Show 71 more good fit varieties

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

How many chill hours does 78833 get?: 78833 averages 572 chill hours per winter, ranging from 303 to 670 across the last 10 years.
What hardiness zone is 78833?: 78833 is in USDA hardiness zone 8b.

Growing fruit trees in 78833? 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