How many chill hours does 99586 get?

99586 averages 758 chill hours per winter, ranging from 425 to 1100 across the last 10 years.

What hardiness zone is 99586?

99586 is in USDA hardiness zone 2b.

Location almanac

The short answer

99586 averages 758 chill hours per winter (425–1,100 across 10 years) in USDA zone 2b.

99586 climate
Average chill hours	758 (425–1,100 across 10 winters)
USDA hardiness zone	2b
Last spring frost	typically May 11 – June 1
First fall frost	typically September 3 – September 27

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 99586’s chill hours and zone:

Chill and zone requirements are comfortably met in 99586.

Show 19 more good fit varieties

Possible in a good year or a favorable microclimate — click through for the caveats.

How many chill hours does 99586 get?: 99586 averages 758 chill hours per winter, ranging from 425 to 1100 across the last 10 years.
What hardiness zone is 99586?: 99586 is in USDA hardiness zone 2b.

Growing fruit trees in 99586? 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