Tree of Heaven (Ailanthus altissima) on Jul 27, 2012
Submitter does not have a specimen EDRR Status: Local expert notified
Description of specimen
approximately 10 stems of Tree of Heaven 6-9 feet tall.
Commentary
Dear Doug,
Thank you so much for reporting tree of heaven, this is very helpful. I am very sorry for the very long delay in getting back to you, but I wanted to let you know that I have notified Oregon parks and Rec of this report.
Please keep the reports coming!
Tania
Tania Siemens Watershed and Invasive Species Education (WISE) Program Oregon Sea Grant Oregon State University cell: 541-914-0701 email: tania.siemens@oregonstate.edu
Tania Siemens
May 21, 2013, 9:41 a.m.
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
near the willamette river at Beacon Landing County Park. I placed the map marker very precisely.
The area is in the active flood plain of the river and I fear that a flood could spread the vegetative propagules.
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
Thank you so much for reporting tree of heaven, this is very helpful. I am very sorry for the very long delay in getting back to you, but I wanted to let you know that I have notified Oregon parks and Rec of this report.
Please keep the reports coming!
Tania
Tania Siemens
Watershed and Invasive Species Education (WISE) Program
Oregon Sea Grant
Oregon State University
cell: 541-914-0701 email: tania.siemens@oregonstate.edu
Tania Siemens
May 21, 2013, 9:41 a.m.