Foxglove beardtongue (Penstemon digitalis)

Foxglove beardtongue, also known as Digitalis penstemon

An herbaceous plant related to plantains that is frequently used in roadside landscaping is the Foxglove beardtongue (Penstemon digitalis). Its name, Penstemon digitalis, hints at the finger-like appearance of the flowers, reminiscent of a gloved hand. This plant is easy to grow and maintain, making it a popular choice for roadside beautification projects.