How many chill hours does 05447 get?

05447 averages 1416 chill hours per winter, ranging from 1135 to 1814 across the last 10 years.

What hardiness zone is 05447?

05447 is in USDA hardiness zone 4b.

Location almanac

The short answer

05447 averages 1,416 chill hours per winter (1,135–1,814 across 10 years) in USDA zone 4b.

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 05447’s chill hours and zone:

Chill and zone requirements are comfortably met in 05447.

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How many chill hours does 05447 get?: 05447 averages 1416 chill hours per winter, ranging from 1135 to 1814 across the last 10 years.
What hardiness zone is 05447?: 05447 is in USDA hardiness zone 4b.

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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