Brian lives in the South Side. Japanese knotweed First of all, I'm obviously not going to do anything about this until next year, or whenever the pandemic-a-palooza is completely over. Even if you’ve never been to East Asia, this species might be familiar to you. Typically blooming between late summer and early autumn, Japanese knotweed … So, why name a community festival after this invasive plant?! Japanese knotweed tends to be rounder in shape, while the Bohemian knotweed is intermediate between the other two species in leaf shape and size. What’s Fresh? Fortunately for native plants, knotweed can be quite delicious to humans. Most herbaria have exchange programs, where specimens (usually duplicates) are exchanged between institutions. Nothing grows earthworms like knotweed… Keep an eye out for knotweed. Japanese knotweed, a persistent, exotic invasive plant in the Pittsburgh region, can make gardening difficult if not impossible. And this invader is one of the most aggressive and widespread ones in western Pennsylvania – Japanese knotweed. Grow Pittsburgh In the News; ... Home News and Events Urban Harvester Japanese Knotweed Attachment: knotweed, full. Knotweed is among the most economically and ecologically problematic invasive plants in Pennsylvania. Native to East Asia, Japanese knotweed (Fallopia japonica) is a large herbaceous perennial … In Pittsburgh, Japanese knotweed (and related introduced knotweed species) form dense stands along rivers, streams, and roadsides. The hybrid was only recognized in the past several decades and likely originated when these two species “met” after they were introduced in Europe. The nearby Conemaugh River that runs throughs Blairsville has been transformed by this non-native species, completely covering the banks with stands so dense they completely block the view of the river along the community recreational trail. They have embarked on a three-year project to digitize nearly 190,000 plant specimens collected in the region, making images and other data publicly available online. At Apoidea Apiary, knotweed honey runs about $12, while Wild Purveyors sells knotweed for $8 a pound. If you live in western PA, chances are that you see it every day! “It tastes the way a lemon smells when you squeeze it,” says Kevin Hermann, executive chef at Six Penn. It is native to East Asia in Japan, China and Korea. knotweed, full. Despite my initial mixed feelings, I think the festival is a great community gathering that has the potential to raise awareness about the presence of the invasive plant in our community, its ecological effects, and in turn, nature around us (native and non-native). The Japanese used an alcohol extract of this plant as a natural laxative. Native to Japan and East Asia, Japanese knotweed is a hardy, fast-growing plant that can be extremely difficult to eradicate. This project is made possible by the National Science Foundation under grant no. A very, very problematic species. Knotweed … And this invader is one of the most aggressive and widespread ones in western Pennsylvania – Japanese knotweed. I recently recollected these same species not far from the same site, 66 years later. I really … Next item knotweed… But many others are obtained through exchange with other herbaria. You can read the full article, Pittsburgh Tries to Eat Its Way Through a Savage Weed, on the WSJ website. He was eating Japanese knotweed, a savagely invasive plant that thrives on riverbanks and vacant lots, both of which Pittsburgh has in great abundance. Specimens collected from both the native and introduced ranges can … In Pittsburgh, Japanese knotweed (and related introduced knotweed species) form dense stands along rivers, streams, and roadsides. This specimen of Japanese knotweed (Fallopia japonica, formerly known as Polygonum cuspidatum) was collected in China on Sept 14, 1989 by Q.X. “Who needs thousands of acres of garnish?” asks Mr. Gover, head of Penn State’s Wildland Weed Management program. But it also has an important function to safeguard the future of the data. Japanese Knotweed Floodplain Thicket is found on similar environmental settings as the Floodplain Meadow, Periodically Exposed Shoreline Community, Reed Canary-grass Floodplain … The global movement of plants is one of the defining features of the Anthropocene, the current era of pervasive human influence on the environment and Earth’s systems. The two earliest specimens of knotweed recorded in Indiana County, collected in Saltsburg on August 6, 1952. It takes 3-5 years for a black locust to get above the 7'-10' knotweed stand a then really take off. In fact, about one-third of the 530,000+ specimens are from outside the United States. Although native to China, Japan, and Korea, Japanese knotweed is now common across much of the temperate world, including the United States and Europe. Aside from reading a brief advertisement, I knew little about the festival before going. But, on the other hand, naming a festival after an invasive species normalizes plant invasions and perhaps even embraces the change to the landscape as a good thing. It turns out there is more than one species of invasive knotweed in western PA: Japanese knotweed (Fallopia japonica), Giant knotweed (Fallopia sachalinensis), and a hybrid between the two species, Bohemian knotweed (Fallopia xbohemica). In his free time, he operates Tripsburgh. In the case of damage (such as pest outbreaks or even fire, in the recent devastating case at the Museu Nacional in Brazil), having specimens spread across several institutions helps ensure the future of specimens. It grows to heights of 7 feet (2.1 m), and the roots can be twice that deep. 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