How many chill hours does 78014 get?

78014 averages 275 chill hours per winter, ranging from 158 to 383 across the last 10 years.

What hardiness zone is 78014?

78014 is in USDA hardiness zone 9a.

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The short answer

78014 averages 275 chill hours per winter (158–383 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 78014’s chill hours and zone:

Chill and zone requirements are comfortably met in 78014.

Show 13 more good fit varieties

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

How many chill hours does 78014 get?: 78014 averages 275 chill hours per winter, ranging from 158 to 383 across the last 10 years.
What hardiness zone is 78014?: 78014 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