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Chill hours in 56336

The short answer

56336 averages 1,086 chill hours per winter (7881,437 across 10 years) in USDA zone 4b.
56336 climate
Average chill hours1,086 (788–1,437 across 10 winters)
USDA hardiness zone4b
Last spring frosttypically April 22 – May 10
First fall frosttypically October 17 – 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 56336’s chill hours and zone:

How many chill hours does 56336 get?
56336 averages 1086 chill hours per winter, ranging from 788 to 1437 across the last 10 years.
What hardiness zone is 56336?
56336 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