Land Plants - invasive

Tree of Heaven (Ailanthus altissima) on Oct 25, 2022

Submitter has sample

Description of specimen

Over 7 ft tall Tree of Heaven

Commentary

None

Remedy

Check out a really thorough guide regarding tree of heaven identification and control OSU’s Solve Pest Problems: https://solvepestproblems.oregonstate.edu/weeds/tree-of-heaven

The Portland metro-area Cooperative Weed Management Area also has some great best management practices for handling this weed The 4 County CWMA: https://4countycwma.org/assets/best-mgmt-practices/tree-of-heaven-bmp_final.pdf

Resources

https://solvepestproblems.oregonstate.edu/weeds/tree-of-heaven

https://4countycwma.org/assets/best-mgmt-practices/tree-of-heaven-bmp_final.pdf

Location

4929 Grassland Ct NE Salem Oregon
Rear yard, NE corner of property next to fence.

Expert Reviewer

Sarah Hamilton
Marion Soil & Water Conservation District

© 2025 Portland State University | Contact us for questions regarding site content