How many chill hours does 89145 get?

89145 averages 966 chill hours per winter, ranging from 582 to 1451 across the last 10 years.

What hardiness zone is 89145?

89145 is in USDA hardiness zone 9a.

Location almanac

The short answer

89145 averages 966 chill hours per winter (582–1,451 across 10 years) in USDA zone 9a.

89145 climate
Average chill hours	966 (582–1,451 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically January 13 – February 26
First fall frost	typically November 26 – December 12

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 89145’s chill hours and zone:

Chill and zone requirements are comfortably met in 89145.

Show 87 more good fit varieties

How many chill hours does 89145 get?: 89145 averages 966 chill hours per winter, ranging from 582 to 1451 across the last 10 years.
What hardiness zone is 89145?: 89145 is in USDA hardiness zone 9a.

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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