How many chill hours does 86001 get?

86001 averages 1571 chill hours per winter, ranging from 1207 to 2005 across the last 10 years.

What hardiness zone is 86001?

86001 is in USDA hardiness zone 6a.

Location almanac

The short answer

86001 averages 1,571 chill hours per winter (1,207–2,005 across 10 years) in USDA zone 6a.

86001 climate
Average chill hours	1,571 (1,207–2,005 across 10 winters)
USDA hardiness zone	6a
Last spring frost	typically May 9 – May 23
First fall frost	typically September 24 – October 30

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 86001’s chill hours and zone:

Chill and zone requirements are comfortably met in 86001.

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How many chill hours does 86001 get?: 86001 averages 1571 chill hours per winter, ranging from 1207 to 2005 across the last 10 years.
What hardiness zone is 86001?: 86001 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