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Chill hours in 56361

The short answer

56361 averages 994 chill hours per winter (6411,362 across 10 years) in USDA zone 4a.
56361 climate
Average chill hours994 (641–1,362 across 10 winters)
USDA hardiness zone4a
Last spring frosttypically April 28 – May 13
First fall frosttypically October 5 – October 21

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 56361’s chill hours and zone:

Marginal (1)

Possible in a good year or a favorable microclimate — click through for the caveats.

Marginal varieties for this location
VarietyFruit
ReliancePeach
How many chill hours does 56361 get?
56361 averages 994 chill hours per winter, ranging from 641 to 1362 across the last 10 years.
What hardiness zone is 56361?
56361 is in USDA hardiness zone 4a.

Growing fruit trees in 56361? 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