How many chill hours does 18225 get?

18225 averages 1591 chill hours per winter, ranging from 1323 to 1881 across the last 10 years.

What hardiness zone is 18225?

18225 is in USDA hardiness zone 6b.

Location almanac

The short answer

18225 averages 1,591 chill hours per winter (1,323–1,881 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 18225’s chill hours and zone:

Chill and zone requirements are comfortably met in 18225.

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How many chill hours does 18225 get?: 18225 averages 1591 chill hours per winter, ranging from 1323 to 1881 across the last 10 years.
What hardiness zone is 18225?: 18225 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