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Chill hours in 56293

The short answer

56293 averages 1,158 chill hours per winter (8401,351 across 10 years) in USDA zone 4b.
56293 climate
Average chill hours1,158 (840–1,351 across 10 winters)
USDA hardiness zone4b
Last spring frosttypically April 21 – April 28
First fall frosttypically October 12 – November 19

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 56293’s chill hours and zone:

How many chill hours does 56293 get?
56293 averages 1158 chill hours per winter, ranging from 840 to 1351 across the last 10 years.
What hardiness zone is 56293?
56293 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