How many chill hours does 84643 get?

84643 averages 1545 chill hours per winter, ranging from 1032 to 1986 across the last 10 years.

What hardiness zone is 84643?

84643 is in USDA hardiness zone 6a.

Location almanac

The short answer

84643 averages 1,545 chill hours per winter (1,032–1,986 across 10 years) in USDA zone 6a.

84643 climate
Average chill hours	1,545 (1,032–1,986 across 10 winters)
USDA hardiness zone	6a
Last spring frost	typically May 4 – May 31
First fall frost	typically September 25 – October 23

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 84643’s chill hours and zone:

Chill and zone requirements are comfortably met in 84643.

Show 126 more good fit varieties

How many chill hours does 84643 get?: 84643 averages 1545 chill hours per winter, ranging from 1032 to 1986 across the last 10 years.
What hardiness zone is 84643?: 84643 is in USDA hardiness zone 6a.

Growing fruit trees in 84643? 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