How many chill hours does 89046 get?

89046 averages 791 chill hours per winter, ranging from 432 to 1236 across the last 10 years.

What hardiness zone is 89046?

89046 is in USDA hardiness zone 9b.

Location almanac

The short answer

89046 averages 791 chill hours per winter (432–1,236 across 10 years) in USDA zone 9b.

89046 climate
Average chill hours	791 (432–1,236 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically February 5 – February 24
First fall frost	typically October 30 – December 19

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 89046’s chill hours and zone:

Chill and zone requirements are comfortably met in 89046.

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 89046 get?: 89046 averages 791 chill hours per winter, ranging from 432 to 1236 across the last 10 years.
What hardiness zone is 89046?: 89046 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