Tree of Heaven (Ailanthus altissima) on Mar 21, 2016
Submitter does not have a specimen EDRR Status: Local expert notified
Description of specimen
13 large mature trees (mother trees). 4 teenagers. 33 shoots
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
The infested area is centered at 20th and main street in springfield. The area is: SE corner is 22nd St. and South A Street; SW corner is 19th St. and South A St.; NW corner is 19th St. and Main St.; NE corner is about 21st St. and Main St. Investation seems to be centered at the Eagles and Autumn Glen Apartments. Roots are underneath Main St. and pop in the divider at 19th and Main St. (state hwy 126). The trees at Mini Pet Mart, Todds Place, and Cannabis LLC are heavily impacting foundations, parking lots and undermining a State of Oregon Hwy (ODOT).
Expert Reviewer
Tania Siemens WISE Program Coordinator (Watershed and Invasive Species Education) Oregon Sea Grant Extension Oregon State University tania.siemens@oregonstate.edu 541-914-0701