How many chill hours does 55398 get?

55398 averages 1142 chill hours per winter, ranging from 917 to 1427 across the last 10 years.

What hardiness zone is 55398?

55398 is in USDA hardiness zone 4b.

Location almanac

The short answer

55398 averages 1,142 chill hours per winter (917–1,427 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 55398’s chill hours and zone:

Chill and zone requirements are comfortably met in 55398.

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How many chill hours does 55398 get?: 55398 averages 1142 chill hours per winter, ranging from 917 to 1427 across the last 10 years.
What hardiness zone is 55398?: 55398 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