How many chill hours does 99552 get?

99552 averages 1280 chill hours per winter, ranging from 814 to 1579 across the last 10 years.

What hardiness zone is 99552?

99552 is in USDA hardiness zone 3b.

Location almanac

The short answer

99552 averages 1,280 chill hours per winter (814–1,579 across 10 years) in USDA zone 3b.

99552 climate
Average chill hours	1,280 (814–1,579 across 10 winters)
USDA hardiness zone	3b
Last spring frost	typically May 5 – May 17
First fall frost	typically September 20 – October 8

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 99552’s chill hours and zone:

Chill and zone requirements are comfortably met in 99552.

Show 41 more good fit varieties

How many chill hours does 99552 get?: 99552 averages 1280 chill hours per winter, ranging from 814 to 1579 across the last 10 years.
What hardiness zone is 99552?: 99552 is in USDA hardiness zone 3b.

Growing fruit trees in 99552? 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