Penstemon digitalis (foxglove beard-tongue or talus slope penstemon) is a plant in the plantain family, Plantaginaceae. The flowers are white and are borne in summer. It is native to eastern Canada and eastern and southeastern United States.
Penstemon digitalis is a herbaceous plant with opposite, simple leaves, on slender, purple stems. It is sometimes called beardtongue, as the stamen has small tufts of "hair". It produces tubular white flowers on 2 to 3 foot stems over attractive dark green foliage. The flowers are produced in June, adding color to the prairie garden. The plant grows in any moist soil in full sun.