Populus Angustifolia, or more commonly know as Narrowleaf Cottonwood, is a tree with green foliage and white flowers of the genus Populus. It has a rapid growth rate and a height of 60 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is summer, blooms during spring and is intolerant of shade. Populus Angustifolia or Narrowleaf Cottonwood's floral region is North America US Lower 48, specifically in the states of Arizona, California, Colorado, Idaho, Montana, Nebraska, New Mexico, Nevada, Oregon, South Dakota, Texas, Utah and Wyoming.
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