Land Plants - invasive

Tree of Heaven (Ailanthus altissima) on Oct 3, 2021

Submitter has sample

Description of specimen

Multiple tree of heaven in this neighborhood. Some very well established, others newer. At least six I could count in these two short blocks.

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

SW Alden through SW Greenwood

Expert Reviewer

Tyler Pedersen
Tualatin Soil and Water Conservation District

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