How many chill hours does 85375 get?

85375 averages 344 chill hours per winter, ranging from 168 to 591 across the last 10 years.

What hardiness zone is 85375?

85375 is in USDA hardiness zone 9b.

Location almanac

The short answer

85375 averages 344 chill hours per winter (168–591 across 10 years) in USDA zone 9b.

85375 climate
Average chill hours	344 (168–591 across 10 winters)
USDA hardiness 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 85375’s chill hours and zone:

Chill and zone requirements are comfortably met in 85375.

Show 25 more good fit varieties

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

How many chill hours does 85375 get?: 85375 averages 344 chill hours per winter, ranging from 168 to 591 across the last 10 years.
What hardiness zone is 85375?: 85375 is in USDA hardiness zone 9b.

Growing fruit trees in 85375? Get a care calendar anchored to this exact climate, with email reminders.

[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