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Chill hours in 55753

The short answer

55753 averages 976 chill hours per winter (7061,298 across 10 years) in USDA zone 4a.
55753 climate
Average chill hours976 (706–1,298 across 10 winters)
USDA hardiness zone4a
Last spring frosttypically April 29 – May 16
First fall frosttypically October 7 – November 1

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 55753’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 55753 get?
55753 averages 976 chill hours per winter, ranging from 706 to 1298 across the last 10 years.
What hardiness zone is 55753?
55753 is in USDA hardiness zone 4a.

Growing fruit trees in 55753? 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