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Chill hours in 56567

The short answer

56567 averages 997 chill hours per winter (6841,309 across 10 years) in USDA zone 4a.
56567 climate
Average chill hours997 (684–1,309 across 10 winters)
USDA hardiness zone4a
Last spring frosttypically April 26 – May 13
First fall frosttypically October 5 – November 13

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 56567’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 56567 get?
56567 averages 997 chill hours per winter, ranging from 684 to 1309 across the last 10 years.
What hardiness zone is 56567?
56567 is in USDA hardiness zone 4a.

Growing fruit trees in 56567? 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