How many chill hours does 54440 get?

54440 averages 1213 chill hours per winter, ranging from 978 to 1520 across the last 10 years.

What hardiness zone is 54440?

54440 is in USDA hardiness zone 4b.

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The short answer

54440 averages 1,213 chill hours per winter (978–1,520 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 54440’s chill hours and zone:

Chill and zone requirements are comfortably met in 54440.

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How many chill hours does 54440 get?: 54440 averages 1213 chill hours per winter, ranging from 978 to 1520 across the last 10 years.
What hardiness zone is 54440?: 54440 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