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Purple Loosestrife

Purple loosestrife is a wetland plant native to Europe and Asia that was brought to North America in the early 19th century. 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. The plant was also spread by early settlers and is still used in flower gardens.

What is it? Purple Loosestrife is an invasive plant.
Where did it come from? It was accidently brought in the soil ballast of ships from Europe and Asia.
Where is it found? Marshes, wet ditches, and streambanks. It is found in all Canadian provinces and all US states except Florida, and Hawaii.
What does it do? Forms dense stands that degrade habitat for native wildlife, and reduces biodiversity by crowding out native plants. Large stands of purple loosestrife can also degrade farm and pasture land.
What can you do? Clean your shoes, bike and dog after hiking or biking!