How many chill hours does 78681 get?

78681 averages 594 chill hours per winter, ranging from 293 to 854 across the last 10 years.

What hardiness zone is 78681?

78681 is in USDA hardiness zone 9a.

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The short answer

78681 averages 594 chill hours per winter (293–854 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 78681’s chill hours and zone:

Chill and zone requirements are comfortably met in 78681.

Show 48 more good fit varieties

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

Show 7 more marginal varieties

How many chill hours does 78681 get?: 78681 averages 594 chill hours per winter, ranging from 293 to 854 across the last 10 years.
What hardiness zone is 78681?: 78681 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