Penstemon 'Raven'. The largest and darkest deep purple tubulat flowers. This continued to perform for us in our border trial.
3ft. As with all penstemons cut back in spring about Easter time.
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.
3 plants for £10