Philadelphus Lewisii, or more commonly know as Lewis' Mock Orange, is a shrub with green foliage and white flowers of the genus Philadelphus. It has a moderate growth rate and a height of 12 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, is intolerant of shade and is routinely available commercially. Philadelphus Lewisii or Lewis' Mock Orange's floral region is North America US Lower 48, specifically in the states of California, Idaho, Montana, Oregon and Washington.
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