With radiant red flowers with satiny white centres tinged with pink penstemon pensham amelia jayne39 is an amazing performer blooming for five months of the year penstemon are valuable garden plants not only for their long flowering season but also for their resistance to drought the pensham penstemons have semi45evergreen foliage looking good in the border all year round and they are also slug resistant height 90cm 40363441 spread 45cm 40183441