Penstemon 'Czar'. This 2005 introduction has proved an excellent addition to the range. Strong growing with extra large plum purple flowers witha clear white throat. 3ft
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.