How many chill hours does 89031 get?

89031 averages 828 chill hours per winter, ranging from 481 to 1182 across the last 10 years.

What hardiness zone is 89031?

89031 is in USDA hardiness zone 9b.

Location almanac

The short answer

89031 averages 828 chill hours per winter (481–1,182 across 10 years) in USDA zone 9b.

89031 climate
Average chill hours	828 (481–1,182 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 89031’s chill hours and zone:

Chill and zone requirements are comfortably met in 89031.

Show 85 more good fit varieties

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

Marginal varieties for this location
Variety	Fruit
Cresthaven	Peach
Redhaven	Peach

How many chill hours does 89031 get?: 89031 averages 828 chill hours per winter, ranging from 481 to 1182 across the last 10 years.
What hardiness zone is 89031?: 89031 is in USDA hardiness zone 9b.

Growing fruit trees in 89031? Get a care calendar anchored to this exact climate, with email reminders.

[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