Land Plants - invasive

Tree of Heaven (Ailanthus altissima) on May 26, 2025

Submitter does not have a specimen

Description of specimen

Near the intersection of 77th Ave and Powell blvd there is a grouping of Tree of Heaven growing near the parking lot of a residential area.

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

Large group of Tree of Heaven trees growing near roadway

Expert Reviewer

Jacob Rose
Institute for Natural Resources

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