How many chill hours does 84021 get?

84021 averages 1186 chill hours per winter, ranging from 474 to 1864 across the last 10 years.

What hardiness zone is 84021?

84021 is in USDA hardiness zone 6a.

Location almanac

The short answer

84021 averages 1,186 chill hours per winter (474–1,864 across 10 years) in USDA zone 6a.

84021 climate
Average chill hours	1,186 (474–1,864 across 10 winters)
USDA hardiness zone	6a
Last spring frost	typically April 25 – May 24
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 84021’s chill hours and zone:

Chill and zone requirements are comfortably met in 84021.

Show 126 more good fit varieties

How many chill hours does 84021 get?: 84021 averages 1186 chill hours per winter, ranging from 474 to 1864 across the last 10 years.
What hardiness zone is 84021?: 84021 is in USDA hardiness zone 6a.

Growing fruit trees in 84021? 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