How many chill hours does 89005 get?

89005 averages 1223 chill hours per winter, ranging from 799 to 1674 across the last 10 years.

What hardiness zone is 89005?

89005 is in USDA hardiness zone 9b.

Location almanac

The short answer

89005 averages 1,223 chill hours per winter (799–1,674 across 10 years) in USDA zone 9b.

89005 climate
Average chill hours	1,223 (799–1,674 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically February 4 – March 16
First fall frost	typically November 11 – 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 89005’s chill hours and zone:

Chill and zone requirements are comfortably met in 89005.

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How many chill hours does 89005 get?: 89005 averages 1223 chill hours per winter, ranging from 799 to 1674 across the last 10 years.
What hardiness zone is 89005?: 89005 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