How many chill hours does 55750 get?

55750 averages 961 chill hours per winter, ranging from 671 to 1309 across the last 10 years.

What hardiness zone is 55750?

55750 is in USDA hardiness zone 3b.

Location almanac

The short answer

55750 averages 961 chill hours per winter (671–1,309 across 10 years) in USDA zone 3b.

55750 climate
Average chill hours	961 (671–1,309 across 10 winters)
USDA hardiness zone	3b
Last spring frost	typically May 3 – May 19
First fall frost	typically September 28 – October 24

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 55750’s chill hours and zone:

Chill and zone requirements are comfortably met in 55750.

Show 41 more good fit varieties

How many chill hours does 55750 get?: 55750 averages 961 chill hours per winter, ranging from 671 to 1309 across the last 10 years.
What hardiness zone is 55750?: 55750 is in USDA hardiness zone 3b.

Growing fruit trees in 55750? 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