Salix Nigra, or more commonly know as Black Willow, is a tree with green foliage of the genus Salix. It has a rapid growth rate and a height of 100 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is spring and summer, blooms during early spring and is intolerant of shade. Salix Nigra or Black Willow's floral region is North America US Lower 48, specifically in the states of Alabama, Arkansas, Colorado, Connecticut, Delaware, Florida, Georgia, Iowa, Illinois, Indiana, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, North Carolina, Nebraska, New Hampshire, New Jersey, New York, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Virginia, Vermont and Wisconsin.
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