There are few garden discoveries more disappointing than realizing that the beautiful plant in your yard is actually Japanese knotweed (Polygonum cuspidatum), an invasive plant that is a problem in ...

Another invasive species has reached the most-wanted list for eradication in the Northland. This time it's Japanese knotweed -- Polygonum cuspidatum -- often referred to as "bamboo." The plant ...

Invasive Japanese Knotweed (Fallopia japonica) swamping native plants - Linda McKusick/Shutterstock With its broad, green leaves and graceful white flower spikes, Japanese knotweed (Fallopia japonica ...

Question: I have a ditch behind my house that is infested with Japanese knotweed. Can you give us some hints about how to get rid of it without having to use poisons? How did it get here? Answer: ...

Japanese knotweed (Polygonum cuspidatum or Fallopia japonica) is an invasive wild plant that is also a versatile ingredient, but only during the few short weeks of spring when it is tender enough to ...

Japanese knotweed (Polygonum cuspidatum syn. Fallopia japonica) is an invasive plant with juicy, sour, hollow stems. It is often compared to rhubarb both in taste and texture (crunchy when raw, ...

Ecological Restoration is a forum for people interested in all areas of ecological restoration. It features the technical and biological aspects of restoring landscapes, as well as emerging ...

You are likely seeing pretty hedge-like plants with mounds of white flowers growing along streams and highways this time of year. This is the highly invasive plant called Japanese knotweed (Fallopia ...

September’s weed of the month is giant knotweed (Polygonum sachalinense). Giant knotweed has hollow, bamboo-like stems and grows over 12 feet tall, making it the largest of the invasive knotweeds. It ...

Polygonum cuspidatum is a large, herbaceous perennial plant native to East Asia but has since spread to many other parts of the world. It grows rapidly, often considered invasive in some areas, and ...

Prostrate knotweed (Polygonum aviculare) is a low-growing summer annual commonly found in lawns, high-traffic areas, waste areas and along driveways and sidewalks. Prostrate knotweed provides a food ...