How many chill hours does 77336 get?

77336 averages 402 chill hours per winter, ranging from 178 to 506 across the last 10 years.

What hardiness zone is 77336?

77336 is in USDA hardiness zone 9b.

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The short answer

77336 averages 402 chill hours per winter (178–506 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 77336’s chill hours and zone:

Chill and zone requirements are comfortably met in 77336.

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

How many chill hours does 77336 get?: 77336 averages 402 chill hours per winter, ranging from 178 to 506 across the last 10 years.
What hardiness zone is 77336?: 77336 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