How many chill hours does 78879 get?

78879 averages 558 chill hours per winter, ranging from 299 to 669 across the last 10 years.

What hardiness zone is 78879?

78879 is in USDA hardiness zone 8b.

Location almanac

The short answer

78879 averages 558 chill hours per winter (299–669 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 78879’s chill hours and zone:

Chill and zone requirements are comfortably met in 78879.

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

How many chill hours does 78879 get?: 78879 averages 558 chill hours per winter, ranging from 299 to 669 across the last 10 years.
What hardiness zone is 78879?: 78879 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