How many chill hours does 54564 get?

54564 averages 1098 chill hours per winter, ranging from 811 to 1466 across the last 10 years.

What hardiness zone is 54564?

54564 is in USDA hardiness zone 4a.

Location almanac

The short answer

54564 averages 1,098 chill hours per winter (811–1,466 across 10 years) in USDA zone 4a.

54564 climate
Average chill hours	1,098 (811–1,466 across 10 winters)
USDA hardiness zone	4a
Last spring frost	typically April 26 – May 14
First fall frost	typically September 29 – October 25

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 54564’s chill hours and zone:

Chill and zone requirements are comfortably met in 54564.

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How many chill hours does 54564 get?: 54564 averages 1098 chill hours per winter, ranging from 811 to 1466 across the last 10 years.
What hardiness zone is 54564?: 54564 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