Japanese Knotweed (Fallopia japonica) on Jul 8, 2008
Submitter does not have a specimen
Description of specimen
There is a Japanese knotweed plant growing growing in relative shade
Commentary
Hi S L,
Thanks for reporting knotweed and perennial peavine to the hotline! Your reports are important. The locations will be added to the state weed database and the information will be used to inform management decision. Please keep up the good work!
Oregon State University's Solve Pest Problems page has some great information about how to get rid of knotweeds Solve Pest Problems
This is a tricky weed to manage. Consider reaching out to your local Soil & Water Conservation District for technical advice.
Location
Planted in someones back yard
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
Thanks for reporting knotweed and perennial peavine to the hotline! Your reports are important. The locations will be added to the state weed database and the information will be used to inform management decision. Please keep up the good work!
Tania Siemens
OSU Sea Grant/The Nature Conservancy
tania.siemens@oregonstate.edu
Tania Siemens
July 30, 2008, 5:22 a.m.