How many chill hours does 99748 get?

99748 averages 849 chill hours per winter, ranging from 642 to 1125 across the last 10 years.

What hardiness zone is 99748?

99748 is in USDA hardiness zone 2a.

Location almanac

The short answer

99748 averages 849 chill hours per winter (642–1,125 across 10 years) in USDA zone 2a.

99748 climate
Average chill hours	849 (642–1,125 across 10 winters)
USDA hardiness zone	2a
Last spring frost	typically May 6 – May 29
First fall frost	typically September 18 – October 2

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 99748’s chill hours and zone:

Chill and zone requirements are comfortably met in 99748.

Show 27 more good fit varieties

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

Marginal varieties for this location
Variety	Fruit
Cresthaven	Peach

How many chill hours does 99748 get?: 99748 averages 849 chill hours per winter, ranging from 642 to 1125 across the last 10 years.
What hardiness zone is 99748?: 99748 is in USDA hardiness zone 2a.

Growing fruit trees in 99748? 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