Purple Loosestrife (Lythrum salicaria) is a striking plant with tall spikes of vibrant purple flowers. Despite its beauty, it is highly invasive, particularly in wetland areas where it can ...

Purple loosestrife (Lythrum salicaria) This plant from Europe and Asia came to North America in the early 1800s on the wool of European sheep and within ships that used soil as ballast.

Common identifying characteristics of this species include: As purple loosestrife forms thick monocultures, the plant can be particularly difficult to manage and remove depending on the size of the ...