How many chill hours does 54428 get?

54428 averages 1110 chill hours per winter, ranging from 820 to 1490 across the last 10 years.

What hardiness zone is 54428?

54428 is in USDA hardiness zone 4b.

Location almanac

The short answer

54428 averages 1,110 chill hours per winter (820–1,490 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 54428’s chill hours and zone:

Chill and zone requirements are comfortably met in 54428.

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How many chill hours does 54428 get?: 54428 averages 1110 chill hours per winter, ranging from 820 to 1490 across the last 10 years.
What hardiness zone is 54428?: 54428 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