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Chill hours in 56026

The short answer

56026 averages 1,170 chill hours per winter (9871,398 across 10 years) in USDA zone 4b.
56026 climate
Average chill hours1,170 (987–1,398 across 10 winters)
USDA hardiness zone4b
Last spring frosttypically April 26 – May 11
First fall frosttypically October 12 – October 27

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 56026’s chill hours and zone:

How many chill hours does 56026 get?
56026 averages 1170 chill hours per winter, ranging from 987 to 1398 across the last 10 years.
What hardiness zone is 56026?
56026 is in USDA hardiness zone 4b.

Growing fruit trees in 56026? Get a care calendar anchored to this exact climate, with email reminders.

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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