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Chill hours in 56248

The short answer

56248 averages 1,075 chill hours per winter (6961,374 across 10 years) in USDA zone 4b.
56248 climate
Average chill hours1,075 (696–1,374 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 56248’s chill hours and zone:

How many chill hours does 56248 get?
56248 averages 1075 chill hours per winter, ranging from 696 to 1374 across the last 10 years.
What hardiness zone is 56248?
56248 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