How many chill hours does 55738 get?

55738 averages 1021 chill hours per winter, ranging from 785 to 1354 across the last 10 years.

What hardiness zone is 55738?

55738 is in USDA hardiness zone 3b.

Location almanac

The short answer

55738 averages 1,021 chill hours per winter (785–1,354 across 10 years) in USDA zone 3b.

55738 climate
Average chill hours	1,021 (785–1,354 across 10 winters)
USDA hardiness zone	3b
Last spring frost	typically April 29 – May 16
First fall frost	typically September 28 – October 23

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 55738’s chill hours and zone:

Chill and zone requirements are comfortably met in 55738.

Show 41 more good fit varieties

How many chill hours does 55738 get?: 55738 averages 1021 chill hours per winter, ranging from 785 to 1354 across the last 10 years.
What hardiness zone is 55738?: 55738 is in USDA hardiness zone 3b.

Growing fruit trees in 55738? 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