How many chill hours does 77364 get?

77364 averages 446 chill hours per winter, ranging from 198 to 556 across the last 10 years.

What hardiness zone is 77364?

77364 is in USDA hardiness zone 9a.

Location almanac

The short answer

77364 averages 446 chill hours per winter (198–556 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 77364’s chill hours and zone:

Chill and zone requirements are comfortably met in 77364.

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

How many chill hours does 77364 get?: 77364 averages 446 chill hours per winter, ranging from 198 to 556 across the last 10 years.
What hardiness zone is 77364?: 77364 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