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Chill hours in 56267

The short answer

56267 averages 1,072 chill hours per winter (6901,364 across 10 years) in USDA zone 4b.
56267 climate
Average chill hours1,072 (690–1,364 across 10 winters)
USDA hardiness zone4b
Last spring frosttypically April 22 – May 10
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 56267’s chill hours and zone:

How many chill hours does 56267 get?
56267 averages 1072 chill hours per winter, ranging from 690 to 1364 across the last 10 years.
What hardiness zone is 56267?
56267 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