How many chill hours does 54447 get?

54447 averages 1176 chill hours per winter, ranging from 927 to 1479 across the last 10 years.

What hardiness zone is 54447?

54447 is in USDA hardiness zone 4a.

Location almanac

The short answer

54447 averages 1,176 chill hours per winter (927–1,479 across 10 years) in USDA zone 4a.

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 54447’s chill hours and zone:

Chill and zone requirements are comfortably met in 54447.

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How many chill hours does 54447 get?: 54447 averages 1176 chill hours per winter, ranging from 927 to 1479 across the last 10 years.
What hardiness zone is 54447?: 54447 is in USDA hardiness zone 4a.

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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