How many chill hours does 85377 get?

85377 averages 393 chill hours per winter, ranging from 152 to 863 across the last 10 years.

What hardiness zone is 85377?

85377 is in USDA hardiness zone 9b.

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The short answer

85377 averages 393 chill hours per winter (152–863 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 85377’s chill hours and zone:

Chill and zone requirements are comfortably met in 85377.

Show 26 more good fit varieties

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

Show 29 more marginal varieties

How many chill hours does 85377 get?: 85377 averages 393 chill hours per winter, ranging from 152 to 863 across the last 10 years.
What hardiness zone is 85377?: 85377 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