How many chill hours does 54889 get?

54889 averages 1123 chill hours per winter, ranging from 924 to 1471 across the last 10 years.

What hardiness zone is 54889?

54889 is in USDA hardiness zone 4b.

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The short answer

54889 averages 1,123 chill hours per winter (924–1,471 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 54889’s chill hours and zone:

Chill and zone requirements are comfortably met in 54889.

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How many chill hours does 54889 get?: 54889 averages 1123 chill hours per winter, ranging from 924 to 1471 across the last 10 years.
What hardiness zone is 54889?: 54889 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