Penstemon hartwegii, common name Hartweg's beardtongue, is a species of flowering perennial herb in the plantain family.
Penstemon hartwegii can reach a height of 30-. This bushy semi-evergreen plant has simple, narrow, fleshy, mid-green leaves and racemes of bell-shaped bright-red, purple or crimson flowers, up to 4 cm long, with white markings on a wide throat. They bloom in summer and early autumn.
It has gained the Royal Horticultural Society's Award of Garden Merit. [1]
This species is native to Mexico.