In 1996, the perennial plant of the year was the 'Husker Red' cultivar of P. digitalis introduced by Dr. Dale Lindgren at the University of Nebraska. Many hybrid cultivars of Penstemon are sold through garden supply and seed companies. There is a society dedicated to Penstemon , the American Penstemon Society. Other enthusiasts who enjoy Penstemon are avid rock gardeners . For your convenience, I've included a bibliography on this page to help you find the relevant literature about Penstemon taxonomy.
Corollas can be tubular or funnel shaped.
The flowers are pollinated by bees, wasps, moths, butterflies, flies, and hummingbirds. Photographs for the species listed in the tables below are now available. I will eventually include more information on the cultivation and taxonomy of Penstemon . Given the proper conditions, it will flourish with little care. Gardeners in the American western regions are in Penstemon nirvana because the choice of native plants amenable to most garden situations is luxuriously large.