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Chill hours in 56232

The short answer

56232 averages 1,127 chill hours per winter (7461,301 across 10 years) in USDA zone 4b.
56232 climate
Average chill hours1,127 (746–1,301 across 10 winters)
USDA hardiness zone4b
Last spring frosttypically April 21 – May 7
First fall frosttypically October 12 – 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 56232’s chill hours and zone:

How many chill hours does 56232 get?
56232 averages 1127 chill hours per winter, ranging from 746 to 1301 across the last 10 years.
What hardiness zone is 56232?
56232 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