How many chill hours does 18454 get?

18454 averages 1364 chill hours per winter, ranging from 1171 to 1697 across the last 10 years.

What hardiness zone is 18454?

18454 is in USDA hardiness zone 5b.

Location almanac

The short answer

18454 averages 1,364 chill hours per winter (1,171–1,697 across 10 years) in USDA zone 5b.

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 18454’s chill hours and zone:

Chill and zone requirements are comfortably met in 18454.

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How many chill hours does 18454 get?: 18454 averages 1364 chill hours per winter, ranging from 1171 to 1697 across the last 10 years.
What hardiness zone is 18454?: 18454 is in USDA hardiness zone 5b.

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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