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Chill hours in 56572

The short answer

56572 averages 985 chill hours per winter (6361,241 across 10 years) in USDA zone 4a.
56572 climate
Average chill hours985 (636–1,241 across 10 winters)
USDA hardiness zone4a
Last spring frosttypically April 25 – May 13
First fall frosttypically October 11 – November 7

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 56572’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 56572 get?
56572 averages 985 chill hours per winter, ranging from 636 to 1241 across the last 10 years.
What hardiness zone is 56572?
56572 is in USDA hardiness zone 4a.

Growing fruit trees in 56572? 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