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Chill hours in 56516

The short answer

56516 averages 967 chill hours per winter (7051,236 across 10 years) in USDA zone 4a.
56516 climate
Average chill hours967 (705–1,236 across 10 winters)
USDA hardiness zone4a
Last spring frosttypically April 25 – May 19
First fall frosttypically October 7 – 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 56516’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 56516 get?
56516 averages 967 chill hours per winter, ranging from 705 to 1236 across the last 10 years.
What hardiness zone is 56516?
56516 is in USDA hardiness zone 4a.

Growing fruit trees in 56516? 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