How many chill hours does 54470 get?

54470 averages 1116 chill hours per winter, ranging from 844 to 1442 across the last 10 years.

What hardiness zone is 54470?

54470 is in USDA hardiness zone 4a.

Location almanac

The short answer

54470 averages 1,116 chill hours per winter (844–1,442 across 10 years) in USDA zone 4a.

54470 climate
Average chill hours	1,116 (844–1,442 across 10 winters)
USDA hardiness zone	4a
Last spring frost	typically April 29 – May 14
First fall frost	typically September 29 – October 28

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 54470’s chill hours and zone:

Chill and zone requirements are comfortably met in 54470.

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How many chill hours does 54470 get?: 54470 averages 1116 chill hours per winter, ranging from 844 to 1442 across the last 10 years.
What hardiness zone is 54470?: 54470 is in USDA hardiness zone 4a.

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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