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Chill hours in 55716

The short answer

55716 averages 990 chill hours per winter (7291,304 across 10 years) in USDA zone 4a.
55716 climate
Average chill hours990 (729–1,304 across 10 winters)
USDA hardiness zone4a
Last spring frosttypically April 29 – May 16
First fall frosttypically October 16 – 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 55716’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 55716 get?
55716 averages 990 chill hours per winter, ranging from 729 to 1304 across the last 10 years.
What hardiness zone is 55716?
55716 is in USDA hardiness zone 4a.

Growing fruit trees in 55716? 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