How many chill hours does 56731 get?

56731 averages 899 chill hours per winter, ranging from 558 to 1245 across the last 10 years.

What hardiness zone is 56731?

56731 is in USDA hardiness zone 3b.

Location almanac

The short answer

56731 averages 899 chill hours per winter (558–1,245 across 10 years) in USDA zone 3b.

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 56731’s chill hours and zone:

Chill and zone requirements are comfortably met in 56731.

Show 40 more good fit varieties

Possible in a good year or a favorable microclimate — click through for the caveats.

Marginal varieties for this location
Variety	Fruit
Cresthaven	Peach

How many chill hours does 56731 get?: 56731 averages 899 chill hours per winter, ranging from 558 to 1245 across the last 10 years.
What hardiness zone is 56731?: 56731 is in USDA hardiness zone 3b.

Growing fruit trees in 56731? Get a care calendar anchored to this exact climate, with email reminders.

[1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
[2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026