How many chill hours does 78877 get?

78877 averages 339 chill hours per winter, ranging from 195 to 496 across the last 10 years.

What hardiness zone is 78877?

78877 is in USDA hardiness zone 9a.

Location almanac

The short answer

78877 averages 339 chill hours per winter (195–496 across 10 years) in USDA zone 9a.

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 78877’s chill hours and zone:

Chill and zone requirements are comfortably met in 78877.

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

How many chill hours does 78877 get?: 78877 averages 339 chill hours per winter, ranging from 195 to 496 across the last 10 years.
What hardiness zone is 78877?: 78877 is in USDA hardiness zone 9a.

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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