The Knotweed Page!
  A web site devoted to information about Japanese Knotweed and related plant species
All About Knotweed   Taming the Wild Knotweed   Knotweed Literature  
News & Notes:
7/4/04: North American Knotweed Symposium scheduled for March 2005 in Vancouver, click here for details.
7/2/04: Updated Knotweed Nomenclature, now with foreign names!
6/27/04: New AP article, link in the Knotweed Lit section.
5/27/04: Site improvements are here, new content is on its way!
11/24/03: New, enhanced content on the "Knotweed Nomenclature" page.
10/31/03: Visit the new "Knotweed Literature" page to get links to articles and websites about knotweed.
6/18/03: There are now three Japanese knotweed items for sale at the Invasive Species Weblog store, check it out.
Thinking about planting Japanese Knotweed, Giant Knotweed, or Silver Lace Vine in your garden? Please reconsider. Even "non-invasive" cultivars can contribute to the general problem of knotweed invasion, because hybridization can occur. Also, consider planting native species instead!
 
 

All About Knotweed

  Basic information about Japanese knotweed and related species
  • Knotweed Nomenclature - A closer look at the many different common and scientific names of Japanese Knotweed.
  • Not Reinventing the Wheel - Links to other Japanese Knotweed sites that provide images, descriptions, history, and methods of control of this species.
  • What does it look like? - Japanese Knotweed photos showing resprout from rhizomes starting in Spring of 2002. (last updated 11/8/02)

  • Thesis Research: From 1998 to 2002, I collected samples of Japanese knotweed (Fallopia japonica, Polygonum cuspidatum, Reynoutria japonica), giant knotweed (F. sachalinensis), Russian vine (F. baldschuanica, silver lace vine), and Japanese knotweed cultivars. Japanese knotweed, native to Asia and introduced to the United States in the late 19th century, has become a very aggressive invader of disturbed and shaded habitats. There is evidence that hybridization occurs between these Fallopia species.
  • The Introduction of Japanese Knotweed into Massachusetts (from the ConNE website)


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All photos, scanned images and graphics are the property of Jennifer Forman and may not be reproduced in any way without express permission from her.