Clethra Alnifolia, or more commonly know as Coastal Sweetpepperbush, is a shrub with green foliage and white flowers of the genus Clethra. It has a moderate growth rate and a height of 16 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 summer and is somewhat tolerant of shade. Clethra Alnifolia or Coastal Sweetpepperbush's floral region is North America US Lower 48
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