How many chill hours does 18066 get?

18066 averages 1697 chill hours per winter, ranging from 1362 to 2022 across the last 10 years.

What hardiness zone is 18066?

18066 is in USDA hardiness zone 6b.

Location almanac

The short answer

18066 averages 1,697 chill hours per winter (1,362–2,022 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 18066’s chill hours and zone:

Chill and zone requirements are comfortably met in 18066.

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How many chill hours does 18066 get?: 18066 averages 1697 chill hours per winter, ranging from 1362 to 2022 across the last 10 years.
What hardiness zone is 18066?: 18066 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