How many chill hours does 97635 get?

97635 averages 1543 chill hours per winter, ranging from 741 to 2000 across the last 10 years.

What hardiness zone is 97635?

97635 is in USDA hardiness zone 6b.

Location almanac

The short answer

97635 averages 1,543 chill hours per winter (741–2,000 across 10 years) in USDA zone 6b.

97635 climate
Average chill hours	1,543 (741–2,000 across 10 winters)
USDA hardiness zone	6b
Last spring frost	typically May 18 – June 18
First fall frost	typically September 22 – 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 97635’s chill hours and zone:

Chill and zone requirements are comfortably met in 97635.

Show 126 more good fit varieties

How many chill hours does 97635 get?: 97635 averages 1543 chill hours per winter, ranging from 741 to 2000 across the last 10 years.
What hardiness zone is 97635?: 97635 is in USDA hardiness zone 6b.

Growing fruit trees in 97635? 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