How many chill hours does 89801 get?

89801 averages 1255 chill hours per winter, ranging from 457 to 1914 across the last 10 years.

What hardiness zone is 89801?

89801 is in USDA hardiness zone 5a.

Location almanac

The short answer

89801 averages 1,255 chill hours per winter (457–1,914 across 10 years) in USDA zone 5a.

89801 climate
Average chill hours	1,255 (457–1,914 across 10 winters)
USDA hardiness zone	5a
Last spring frost	typically May 2 – May 31
First fall frost	typically September 29 – 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 89801’s chill hours and zone:

Chill and zone requirements are comfortably met in 89801.

Show 122 more good fit varieties

How many chill hours does 89801 get?: 89801 averages 1255 chill hours per winter, ranging from 457 to 1914 across the last 10 years.
What hardiness zone is 89801?: 89801 is in USDA hardiness zone 5a.

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[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