How many chill hours does 54403 get?

54403 averages 1181 chill hours per winter, ranging from 941 to 1488 across the last 10 years.

What hardiness zone is 54403?

54403 is in USDA hardiness zone 4b.

Location almanac

The short answer

54403 averages 1,181 chill hours per winter (941–1,488 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 54403’s chill hours and zone:

Chill and zone requirements are comfortably met in 54403.

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How many chill hours does 54403 get?: 54403 averages 1181 chill hours per winter, ranging from 941 to 1488 across the last 10 years.
What hardiness zone is 54403?: 54403 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