Spiraea Alba, or more commonly know as White Meadowsweet, is a shrub with green foliage and white flowers of the genus Spiraea. It has a moderate growth rate and a height of 3 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 late spring and is somewhat tolerant of shade. Spiraea Alba or White Meadowsweet's floral region is North America US Lower 48, specifically in the states of Connecticut, Delaware, Georgia, Iowa, Illinois, Indiana, Kentucky, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, North Carolina, North Dakota, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, South Dakota, Tennessee, Virginia, Vermont and Wisconsin.