How many chill hours does 85361 get?

85361 averages 450 chill hours per winter, ranging from 239 to 730 across the last 10 years.

What hardiness zone is 85361?

85361 is in USDA hardiness zone 9b.

Location almanac

The short answer

85361 averages 450 chill hours per winter (239–730 across 10 years) in USDA zone 9b.

85361 climate
Average chill hours	450 (239–730 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically February 4 – February 24

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 85361’s chill hours and zone:

Chill and zone requirements are comfortably met in 85361.

Show 36 more good fit varieties

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

How many chill hours does 85361 get?: 85361 averages 450 chill hours per winter, ranging from 239 to 730 across the last 10 years.
What hardiness zone is 85361?: 85361 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