How many chill hours does 84018 get?

84018 averages 1183 chill hours per winter, ranging from 681 to 1640 across the last 10 years.

What hardiness zone is 84018?

84018 is in USDA hardiness zone 6a.

Location almanac

The short answer

84018 averages 1,183 chill hours per winter (681–1,640 across 10 years) in USDA zone 6a.

84018 climate
Average chill hours	1,183 (681–1,640 across 10 winters)
USDA hardiness zone	6a
Last spring frost	typically May 13 – June 19
First fall frost	typically September 20 – 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 84018’s chill hours and zone:

Chill and zone requirements are comfortably met in 84018.

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How many chill hours does 84018 get?: 84018 averages 1183 chill hours per winter, ranging from 681 to 1640 across the last 10 years.
What hardiness zone is 84018?: 84018 is in USDA hardiness zone 6a.

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[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