How many chill hours does 83128 get?

83128 averages 863 chill hours per winter, ranging from 559 to 1195 across the last 10 years.

What hardiness zone is 83128?

83128 is in USDA hardiness zone 5b.

Location almanac

The short answer

83128 averages 863 chill hours per winter (559–1,195 across 10 years) in USDA zone 5b.

83128 climate
Average chill hours	863 (559–1,195 across 10 winters)
USDA hardiness zone	5b
Last spring frost	typically June 4 – June 25
First fall frost	typically September 6 – September 24

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 83128’s chill hours and zone:

Chill and zone requirements are comfortably met in 83128.

Show 116 more good fit varieties

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

How many chill hours does 83128 get?: 83128 averages 863 chill hours per winter, ranging from 559 to 1195 across the last 10 years.
What hardiness zone is 83128?: 83128 is in USDA hardiness zone 5b.

Growing fruit trees in 83128? 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