Land Plants - invasive

Tree of Heaven (Ailanthus altissima) on Sep 27, 2023

Submitter does not have a specimen
EDRR Status: Local expert notified

Description of specimen

A young tree becoming established in a newly constructed sidewalk planter

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

Location

Ailanthus altissima growing in the new planter strip between the bike lane/sidewalk and the road

Expert Reviewer

Samuel Leininger
Clackamas Soil and Water Conservation District
4-County Cooperative Weed Management Area
Columbia Gorge Cooperative Weed Management Area

© 2024 Portland State University | Contact us for questions regarding site content