origination:
Peonies, The Manual of the American Peony Society, edited by James Boyd © 1928 American Peony Society: [Check List of Chinese Peonies in Commerce] Double Peonies, page 56.
William Penn. (Brand, 1907.) 7.9 (Sym. 1925). Rose.
WILLIAM PENN (Brand, 1907) - Double - Rose Pink - Late Midseason. Deep rose Pink. Once listed as the largest of all peonies. Weak stems. M. List in Bulletin 130.
