Land Plants - invasive

Tree of Heaven (Ailanthus altissima) on Jun 9, 2024

Submitter has sample

Description of specimen

fully grown mature tree & several smaller trees nearby.

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

fully grown mature tree of heaven at the end of North Shaver @ N Montana Alley on flat ground next to I-5 sound barrier.
On City of Portland property. This tree has created several babies in the back yard of the house I just rented.

Expert Reviewer

Whitney Bailey
EMSWCD

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