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Chill hours in 56296

The short answer

56296 averages 1,128 chill hours per winter (7341,379 across 10 years) in USDA zone 4b.
56296 climate
Average chill hours1,128 (734–1,379 across 10 winters)
USDA hardiness zone4b
Last spring frosttypically April 21 – May 11
First fall frosttypically October 14 – November 13

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 56296’s chill hours and zone:

How many chill hours does 56296 get?
56296 averages 1128 chill hours per winter, ranging from 734 to 1379 across the last 10 years.
What hardiness zone is 56296?
56296 is in USDA hardiness zone 4b.

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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