Skip to content
EveryOrchard
Menu

Location almanac

Chill hours in 56751

The short answer

56751 averages 930 chill hours per winter (6381,212 across 10 years) in USDA zone 3b.
56751 climate
Average chill hours930 (638–1,212 across 10 winters)
USDA hardiness zone3b
Last spring frosttypically May 2 – May 19
First fall frosttypically October 4 – October 16

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 56751’s chill hours and zone:

How many chill hours does 56751 get?
56751 averages 930 chill hours per winter, ranging from 638 to 1212 across the last 10 years.
What hardiness zone is 56751?
56751 is in USDA hardiness zone 3b.

Growing fruit trees in 56751? Get a care calendar anchored to this exact climate, with email reminders.

Start My Orchard

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