How many chill hours does 89820 get?

89820 averages 1825 chill hours per winter, ranging from 1137 to 2202 across the last 10 years.

What hardiness zone is 89820?

89820 is in USDA hardiness zone 6b.

Location almanac

The short answer

89820 averages 1,825 chill hours per winter (1,137–2,202 across 10 years) in USDA zone 6b.

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 89820’s chill hours and zone:

Chill and zone requirements are comfortably met in 89820.

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How many chill hours does 89820 get?: 89820 averages 1825 chill hours per winter, ranging from 1137 to 2202 across the last 10 years.
What hardiness zone is 89820?: 89820 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