How many chill hours does 59230 get?

59230 averages 1312 chill hours per winter, ranging from 839 to 1551 across the last 10 years.

What hardiness zone is 59230?

59230 is in USDA hardiness zone 4a.

Location almanac

The short answer

59230 averages 1,312 chill hours per winter (839–1,551 across 10 years) in USDA zone 4a.

59230 climate
Average chill hours	1,312 (839–1,551 across 10 winters)
USDA hardiness zone	4a
Last spring frost	typically April 24 – May 18
First fall frost	typically September 28 – October 20

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 59230’s chill hours and zone:

Chill and zone requirements are comfortably met in 59230.

Show 90 more good fit varieties

How many chill hours does 59230 get?: 59230 averages 1312 chill hours per winter, ranging from 839 to 1551 across the last 10 years.
What hardiness zone is 59230?: 59230 is in USDA hardiness zone 4a.

Growing fruit trees in 59230? 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