How many chill hours does 59420 get?

59420 averages 1631 chill hours per winter, ranging from 1304 to 1958 across the last 10 years.

What hardiness zone is 59420?

59420 is in USDA hardiness zone 4a.

Location almanac

The short answer

59420 averages 1,631 chill hours per winter (1,304–1,958 across 10 years) in USDA zone 4a.

59420 climate
Average chill hours	1,631 (1,304–1,958 across 10 winters)
USDA hardiness zone	4a
Last spring frost	typically April 18 – May 22
First fall frost	typically September 30 – 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 59420’s chill hours and zone:

Chill and zone requirements are comfortably met in 59420.

Show 90 more good fit varieties

How many chill hours does 59420 get?: 59420 averages 1631 chill hours per winter, ranging from 1304 to 1958 across the last 10 years.
What hardiness zone is 59420?: 59420 is in USDA hardiness zone 4a.

Growing fruit trees in 59420? 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