Sir Fredrick Stern
Sir Frederick Stern. Smithers. 2003. P. rockii influence hybrid. Rockii x suffruticosa hybrid. Seedling # “Rocks M”. Parentage: (Rocks (UK) x unknown). Purple semi-double to double flower. Stamens, pollen, and seeds. No Fragrance. Dark flares , purple carpels. Blooms early/mid-season on tall strong plants with dark green foliage. Ships late September to mid October.