How many chill hours does 83228 get?

83228 averages 850 chill hours per winter, ranging from 260 to 1280 across the last 10 years.

What hardiness zone is 83228?

83228 is in USDA hardiness zone 6b.

Location almanac

The short answer

83228 averages 850 chill hours per winter (260–1,280 across 10 years) in USDA zone 6b.

83228 climate
Average chill hours	850 (260–1,280 across 10 winters)
USDA hardiness zone	6b
Last spring frost	typically May 13 – June 19
First fall frost	typically September 18 – October 19

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 83228’s chill hours and zone:

Chill and zone requirements are comfortably met in 83228.

Show 120 more good fit varieties

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

How many chill hours does 83228 get?: 83228 averages 850 chill hours per winter, ranging from 260 to 1280 across the last 10 years.
What hardiness zone is 83228?: 83228 is in USDA hardiness zone 6b.

Growing fruit trees in 83228? 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