Don,
The plant you describe is Japanese Knotweed. As you've noticed, it is VERY
invasive and nearly impossible to irradicate (although persistence with
RoundUP will do it in). Japanese Knotweed is discussed in great detail in
the archives which can be searched at:
http://listserv.albany.edu:8080/cgi-bin/wa?S1=bee-l
Aaron Morris - thinking deja vu!
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