This grower is sure of this plant identification.
correct name is Penstemon 'King George V'
Penstemon ‘King George’ (Beardtongue). This upright, semi-evergreen perennial has spikes of trumpet-shaped, bright red flowers with white throats in mid summer until first frosts. Bears oval, medium green leaves.
They will thrive in fertile, well-drained soil with full sun. Cut back hard after flowering.
Rock garden, cutting bed, border
Italics = data drawn from parent genus or speciesView Full Plant Finder Record