Peonies, The Manual of the American Peony Society, edited by James Boyd © 1928 American Peony Society: [Descriptive List of Chinese Peonies]:
WHITE SWAN. (Pleas, 1913.) 8.5.
Single type; white. Not yet in general commerce. No additional information available.
WHITE SWAN (Pleas, 1913) - Single - White - Midseason.
