Populus Heterophylla, or more commonly know as Swamp Cottonwood, is a tree with green foliage and white flowers of the genus Populus. It has a moderate 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 mid spring, is intolerant of shade and is routinely available commercially. Populus Heterophylla or Swamp Cottonwood's floral region is North America US Lower 48, specifically in the states of Alabama, Arkansas, Connecticut, Delaware, Florida, Georgia, Illinois, Indiana, Kentucky, Louisiana, Massachusetts, Maryland, Michigan, Missouri, Mississippi, North Carolina, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, South Carolina, Tennessee and Virginia.
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