Penstemon Glaber, or more commonly know as Sawsepal Penstemon, is a subshrub forb/herb with green foliage and purple flowers of the genus Penstemon. It has a moderate growth rate and a height of 2 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. Penstemon Glaber or Sawsepal Penstemon's floral region is North America US Lower 48, specifically in the states of Colorado, Montana, North Dakota, Nebraska, New Mexico, South Dakota and Wyoming.
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