Skip to content
EveryOrchard
Menu

Location almanac

Chill hours in 56734

The short answer

56734 averages 912 chill hours per winter (5961,237 across 10 years) in USDA zone 3b.
56734 climate
Average chill hours912 (596–1,237 across 10 winters)
USDA hardiness zone3b
Last spring frosttypically May 1 – May 19
First fall frosttypically October 3 – 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 56734’s chill hours and zone:

How many chill hours does 56734 get?
56734 averages 912 chill hours per winter, ranging from 596 to 1237 across the last 10 years.
What hardiness zone is 56734?
56734 is in USDA hardiness zone 3b.

Growing fruit trees in 56734? 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