How many chill hours does 83423 get?

83423 averages 989 chill hours per winter, ranging from 467 to 1307 across the last 10 years.

What hardiness zone is 83423?

83423 is in USDA hardiness zone 5b.

Location almanac

The short answer

83423 averages 989 chill hours per winter (467–1,307 across 10 years) in USDA zone 5b.

83423 climate
Average chill hours	989 (467–1,307 across 10 winters)
USDA hardiness zone	5b
Last spring frost	typically May 10 – June 1
First fall frost	typically September 30 – October 26

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 83423’s chill hours and zone:

Chill and zone requirements are comfortably met in 83423.

Show 120 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
Rome Beauty	Apple
Reliance	Peach

How many chill hours does 83423 get?: 83423 averages 989 chill hours per winter, ranging from 467 to 1307 across the last 10 years.
What hardiness zone is 83423?: 83423 is in USDA hardiness zone 5b.

Growing fruit trees in 83423? 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