How many chill hours does 89107 get?

89107 averages 765 chill hours per winter, ranging from 420 to 1135 across the last 10 years.

What hardiness zone is 89107?

89107 is in USDA hardiness zone 9b.

Location almanac

The short answer

89107 averages 765 chill hours per winter (420–1,135 across 10 years) in USDA zone 9b.

89107 climate
Average chill hours	765 (420–1,135 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically January 13 – February 24
First fall frost	typically November 26 – December 22

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 89107’s chill hours and zone:

Chill and zone requirements are comfortably met in 89107.

Show 74 more good fit varieties

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

How many chill hours does 89107 get?: 89107 averages 765 chill hours per winter, ranging from 420 to 1135 across the last 10 years.
What hardiness zone is 89107?: 89107 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