How many chill hours does 84121 get?

84121 averages 992 chill hours per winter, ranging from 447 to 1478 across the last 10 years.

What hardiness zone is 84121?

84121 is in USDA hardiness zone 6a.

Location almanac

The short answer

84121 averages 992 chill hours per winter (447–1,478 across 10 years) in USDA zone 6a.

84121 climate
Average chill hours	992 (447–1,478 across 10 winters)
USDA hardiness zone	6a
Last spring frost	typically May 19 – June 21
First fall frost	typically September 17 – 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 84121’s chill hours and zone:

Chill and zone requirements are comfortably met in 84121.

Show 124 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 84121 get?: 84121 averages 992 chill hours per winter, ranging from 447 to 1478 across the last 10 years.
What hardiness zone is 84121?: 84121 is in USDA hardiness zone 6a.

Growing fruit trees in 84121? 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