How many chill hours does 78006 get?

78006 averages 570 chill hours per winter, ranging from 292 to 774 across the last 10 years.

What hardiness zone is 78006?

78006 is in USDA hardiness zone 8b.

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The short answer

78006 averages 570 chill hours per winter (292–774 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 78006’s chill hours and zone:

Chill and zone requirements are comfortably met in 78006.

Show 71 more good fit varieties

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

Show 2 more marginal varieties

How many chill hours does 78006 get?: 78006 averages 570 chill hours per winter, ranging from 292 to 774 across the last 10 years.
What hardiness zone is 78006?: 78006 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