How many chill hours does 78260 get?

78260 averages 536 chill hours per winter, ranging from 280 to 708 across the last 10 years.

What hardiness zone is 78260?

78260 is in USDA hardiness zone 8b.

Location almanac

The short answer

78260 averages 536 chill hours per winter (280–708 across 10 years) in USDA zone 8b.

78260 climate
Average chill hours	536 (280–708 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically January 11 – March 6
First fall frost	typically November 12 – December 19

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 78260’s chill hours and zone:

Chill and zone requirements are comfortably met in 78260.

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 78260 get?: 78260 averages 536 chill hours per winter, ranging from 280 to 708 across the last 10 years.
What hardiness zone is 78260?: 78260 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