![]() ![]() Purple loosestrife is an invasive species in parts of North America and crowds out native wetland vegetation. Genus name presumably comes from the Greek word lythron meaning blood with reference to the color of the flowers. Loosestrife, any of the ornamental plants of the family Lythraceae, especially the genera Lythrum and Decodon, and Lysimachia of the family Primulaceae. A number of cultivars, such as the popular ‘Morden Pink’ have been marketed over the years as sterile plants, but there is evidence that some of these cultivars may interbreed. The root system consists of a very thick and hard taproot, and spreading lateral roots. A mature plant can develop into a large clump of stems up to five feet in diameter. Magenta flowers appear in dense terminal spikes (to 18” long) over a long summer to early fall bloom period. Purple loosestrife is an erect perennial herb that usually grows two to six feet tall. Downy, stemless, lance-shaped leaves (to 4” long) are opposite or sometimes in whorls of three. Purple loosestrife, Lythrum salicaria, is a tall-growing wildflower that grows naturally on banks of streams and around ponds. It typically grows 2-4’ tall on stiff upright stems. The problem is that it is so invasive that it can rapidly colonize wet areas and both choke out native vegetation and destroy wildlife habitat. In full flower, a colony of purple loosestrife produces spectacular bloom. Purple loosestrife (Lythrum salicaria L.) is an invasive, herbaceous plant, frequently found in wetlands, creating monoculture stands, resulting in intensive management strategies in central New. The Eurasian forb purple loosestrife, Lythrum salicaria, is an erect, branching, perennial that has invaded temperate wetlands throughout North America. It was introduced from Europe in the 1800s as a perennial garden plant. Plants in northern regions are smaller and flower earlier than those in southern regions. Item number: XHT1084 What is purple loosestrife Purple loosestrife (Lythrum salicaria) is a fast-spreading, tall Eurasian plant that grows primarily in wetlands and ditches, but can invade home gardens. It has gradually spread throughout much of the United States, particularly in marshes, swamps, pond peripheries, ditches and wet meadows. Description Purple loosestrife has evolved to tolerate the shorter growing season and colder weather of the central and northern parts of the provinces. Although many alien invasive plants have naturalized by escaping gardens, purple loosestrife basically began naturalizing on its own in rural areas. from seed contained in ships’ ballast, and it became established in certain estuaries in the northeastern states by the early 1800s. It is believed to have been first introduced into the U.S. Lythrum salicaria, commonly called purple loosestrife, is a clump-forming wetland perennial that is native to Europe and Asia. ![]()
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