How many chill hours does 89178 get?

89178 averages 1033 chill hours per winter, ranging from 625 to 1538 across the last 10 years.

What hardiness zone is 89178?

89178 is in USDA hardiness zone 9a.

Location almanac

The short answer

89178 averages 1,033 chill hours per winter (625–1,538 across 10 years) in USDA zone 9a.

89178 climate
Average chill hours	1,033 (625–1,538 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically January 27 – February 26
First fall frost	typically November 19 – December 14

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 89178’s chill hours and zone:

Chill and zone requirements are comfortably met in 89178.

Show 87 more good fit varieties

How many chill hours does 89178 get?: 89178 averages 1033 chill hours per winter, ranging from 625 to 1538 across the last 10 years.
What hardiness zone is 89178?: 89178 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