Purple Loosestrife

scientific name & common name

the scientific name is Lythrum Scicaria L.

the common name is obviously Purple loos


all over the county basically near water
Video 10 - Purple Loosestrife

physical description

Purple loosestrife (Lythrum salicaria) is a herbaceous perennial that may grow up to 10 feet tall and 4 feet wide. Plants can reach maturity in 3 to 5 years, producing as many as 50 stems per plant. Purple loosestrife (Lythrum salicaria), a beautiful but aggressive invade.

method of transportation

they arrived in eastern North America in the early 1800’s. Plants were brought to North America by settlers for their flower gardens, and seeds were present in the ballast holds of European ships that used soil to weigh down the vessels for stability on the ocean. Since it was introduced, purple loosestrife has spread westward and can be found across much of Canada and the United States.

The Problem

Purple loosestrife is a very hardy perennial which can rapidly degrade wetlands, diminishing their value for wildlife habitat.

to manage or eliminate the negative impact of this organism

Three possible control methods exist for purple loosestrife. These include physical, biological, and chemical means. None of these methods will completely eliminate purple loosestrife, but they will control the populations within ecologically acceptable limits.