How many chill hours does 84028 get?

84028 averages 1345 chill hours per winter, ranging from 722 to 1851 across the last 10 years.

What hardiness zone is 84028?

84028 is in USDA hardiness zone 5a.

Location almanac

The short answer

84028 averages 1,345 chill hours per winter (722–1,851 across 10 years) in USDA zone 5a.

84028 climate
Average chill hours	1,345 (722–1,851 across 10 winters)
USDA hardiness zone	5a
Last spring frost	typically May 3 – June 10
First fall frost	typically September 26 – October 27

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 84028’s chill hours and zone:

Chill and zone requirements are comfortably met in 84028.

Show 122 more good fit varieties

How many chill hours does 84028 get?: 84028 averages 1345 chill hours per winter, ranging from 722 to 1851 across the last 10 years.
What hardiness zone is 84028?: 84028 is in USDA hardiness zone 5a.

Growing fruit trees in 84028? 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