How many chill hours does 84663 get?

84663 averages 1345 chill hours per winter, ranging from 845 to 1762 across the last 10 years.

What hardiness zone is 84663?

84663 is in USDA hardiness zone 6b.

Location almanac

The short answer

84663 averages 1,345 chill hours per winter (845–1,762 across 10 years) in USDA zone 6b.

84663 climate
Average chill hours	1,345 (845–1,762 across 10 winters)
USDA hardiness zone	6b
Last spring frost	typically May 13 – June 9
First fall frost	typically September 30 – 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 84663’s chill hours and zone:

Chill and zone requirements are comfortably met in 84663.

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How many chill hours does 84663 get?: 84663 averages 1345 chill hours per winter, ranging from 845 to 1762 across the last 10 years.
What hardiness zone is 84663?: 84663 is in USDA hardiness zone 6b.

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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