Penstemon 'Heavenly Blue' . Vivid electric blue flowers in summer over a shrubby branching plant. A superb flower colour. Produces a profusion of flowers. Ht:1-2ft.
Penstemon can flower for up to six months of the year. They are best grown in a sunny or partially shady spot in the border, on a moister garden soil but will tolerate drought. Penstemon are resistant to slugs and other pests and attractive to bees. Hardy Perennial.