How many chill hours does 86305 get?

86305 averages 1724 chill hours per winter, ranging from 1391 to 2022 across the last 10 years.

What hardiness zone is 86305?

86305 is in USDA hardiness zone 7b.

Location almanac

The short answer

86305 averages 1,724 chill hours per winter (1,391–2,022 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 86305’s chill hours and zone:

Chill and zone requirements are comfortably met in 86305.

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How many chill hours does 86305 get?: 86305 averages 1724 chill hours per winter, ranging from 1391 to 2022 across the last 10 years.
What hardiness zone is 86305?: 86305 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