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Chill hours in 56482

The short answer

56482 averages 1,004 chill hours per winter (6861,329 across 10 years) in USDA zone 4a.
56482 climate
Average chill hours1,004 (686–1,329 across 10 winters)
USDA hardiness zone4a
Last spring frosttypically April 28 – May 13
First fall frosttypically October 5 – October 27

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 56482’s chill hours and zone:

How many chill hours does 56482 get?
56482 averages 1004 chill hours per winter, ranging from 686 to 1329 across the last 10 years.
What hardiness zone is 56482?
56482 is in USDA hardiness zone 4a.

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Sources

  1. [1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
  2. [2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026