How many chill hours does 86020 get?

86020 averages 1787 chill hours per winter, ranging from 1534 to 1985 across the last 10 years.

What hardiness zone is 86020?

86020 is in USDA hardiness zone 7b.

Location almanac

The short answer

86020 averages 1,787 chill hours per winter (1,534–1,985 across 10 years) in USDA zone 7b.

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 86020’s chill hours and zone:

Chill and zone requirements are comfortably met in 86020.

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How many chill hours does 86020 get?: 86020 averages 1787 chill hours per winter, ranging from 1534 to 1985 across the last 10 years.
What hardiness zone is 86020?: 86020 is in USDA hardiness zone 7b.

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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