How many chill hours does 54405 get?

54405 averages 1174 chill hours per winter, ranging from 925 to 1463 across the last 10 years.

What hardiness zone is 54405?

54405 is in USDA hardiness zone 4b.

Location almanac

The short answer

54405 averages 1,174 chill hours per winter (925–1,463 across 10 years) in USDA zone 4b.

54405 climate
Average chill hours	1,174 (925–1,463 across 10 winters)
USDA hardiness zone	4b
Last spring frost	typically April 29 – May 13
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 54405’s chill hours and zone:

Chill and zone requirements are comfortably met in 54405.

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How many chill hours does 54405 get?: 54405 averages 1174 chill hours per winter, ranging from 925 to 1463 across the last 10 years.
What hardiness zone is 54405?: 54405 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