How many chill hours does 77532 get?

77532 averages 384 chill hours per winter, ranging from 163 to 490 across the last 10 years.

What hardiness zone is 77532?

77532 is in USDA hardiness zone 9b.

Location almanac

The short answer

77532 averages 384 chill hours per winter (163–490 across 10 years) in USDA zone 9b.

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 77532’s chill hours and zone:

Chill and zone requirements are comfortably met in 77532.

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

How many chill hours does 77532 get?: 77532 averages 384 chill hours per winter, ranging from 163 to 490 across the last 10 years.
What hardiness zone is 77532?: 77532 is in USDA hardiness zone 9b.

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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