Followi ng fertilization, seeds are produced. This latter species is a smaller and less aggressive plant with winged stems, while the stems of Purple Loosestrife are usually round (sometimes 4-angled). Each flower spike has many individual flowers that are pink-purple with small, yellow centers. Unfortunately, this plant is not liked by birds, mammals, or waterfowl. Purple loosestrife, like most problem plants, is from another continent — in this case, Europe and Asia. Why is the purple loosestrife so bad, and if so, why are we settling with a method of control that does not truly remove the plant from our landscapes? Purple loosestrife is a beautiful but aggressive hardy perennial, which can damage wetlands and the animals that live there, if allowed to spread unchecked. Purple loosestrife produces clusters of bright pinkish-purple flowers on wands at the top of the plant. Flowers usually have 6 petals, are about 1” wide, and are pollinated by insects. Purple loosestrife (Lythrum salicaria) is a flowering plant that is native to Europe and Asia. There is actually still a great deal of debate today as to whether the conservation ecology community should continue its war on invasives the way it has for the past several decades. WHY IT’S BAD: Purple Loosestrife was originally introduced to North America from Europe and Asia in the early 1800s and was commonly used as a medicinal herb to treat digestive issues and bacterial infections. It prefers sun, but, like most invasive weeds, it adapts well in many soil types. What's so bad about Purple Loosestrife? Overview Information Purple loosestrife is a plant. I’m not sure why. Background. Comments: The only other species that is similar to Purple Loosestrife is the native Lythrum alatum (Winged Loosestrife), which also occurs in wetlands. What’s so bad about purple loosestrife? This highly invasive plant was likely introduced when its seeds were included in soil used as ballast in European sailing ships and discarded in North America. An invasive, weedy species, loosestrife readily establishes in a variety of urban and rural wetland habitats. Purple loosestrife is found along waterways, marshes and wetlands. The nicknames for purple loosestrife - beautiful killer, marsh monster and exotic invader - are telling. “Purple loosestrife displaces all the native plants in wetlands, which causes a real loss in diversity,” said Ellen Jacquert of Ellettsville, director of stewardship for the Indiana chapter of The Nature Conservancy and an expert on both exotic invasive and native plants. Purple loosestrife is generally not self-compatible. Purple Loosestrife are the tall bright purple flowering plants you see mixed in with cattails lining the edge of many lakes and wetlands. Purple Loosestrife is a widespread invasive plant.It’s taken over wetlands in every state in the US except Florida. The flowering parts are used as medicine. But now, scientists consider Purple Loostrife an invasive species success story. The healing plant was intentionally planted as a “pioneer species” throughout New England but quickly spread through man-made canals, becoming one […] The plant, which can grow as tall as two meters, is made up of a few square shaped, woody stems and hundreds of flower spikes. You can’t buy these beetles. Purple Loosestrife. The bad news? Once it's present, it has a tendency to dominate, outcompeting native vegetation. The Problem with Purple Loosestrife The purple loosestrife is a flowering plant found in wetlands. It shouldn’t be confused with other plants whose common names are also loosestrife such as Fringed Loosestrife and Gooseneck Loosestrife, both members of the primrose family. 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