Sir Frederick Stern
Year Registered: 2003
Parentage: Rocks (UK) x unknown
Official registration can be found at: The American Peony Society
Tree peony. Seedling # “Rocks M”. Parentage: Rocks (UK) x unknown. Purple (RHS 61 A to C) semi-double to double flower. Stamens, pollen, and seeds. No Fragrance. Dark flares (RHS 202A), purple carpels. Blooms mid-season on tall strong plants with dark green foliage. Color slide on file. Reg. No. 04-02.