How many chill hours does 78635 get?

78635 averages 615 chill hours per winter, ranging from 341 to 845 across the last 10 years.

What hardiness zone is 78635?

78635 is in USDA hardiness zone 8b.

Location almanac

The short answer

78635 averages 615 chill hours per winter (341–845 across 10 years) in USDA zone 8b.

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 78635’s chill hours and zone:

Chill and zone requirements are comfortably met in 78635.

Show 78 more good fit varieties

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

Show 15 more marginal varieties

How many chill hours does 78635 get?: 78635 averages 615 chill hours per winter, ranging from 341 to 845 across the last 10 years.
What hardiness zone is 78635?: 78635 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