Davidson's Penstemon is a popular perennial plant that is often found in regions of the Western United States. It is also referred to as Penstemon davidsonii, and has several different common names, including Davidson's Beardtongue, Davidson's Sage, or Davidson's Penstemon Beardtongue. This plant typically grows up to several feet tall, with narrow, tubular flowers that bloom in shades of purple, pink, or blue. It is a favorite among gardeners and horticulturists, as it adds a striking pop of color to any landscape. Other similar species or synonyms for Davidson's Penstemon include Penstemon neomexicanus, Penstemon procerus, and Penstemon tolmiei.