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 26.
Birket Foster. (Kelway, 1909.) Crimson.
BIRKET FOSTER (Kelway, 1909) - Double - Crimson - Midseason.
'Birket Foster' : fl. double, rouge foncé, 1m, moyenne saison
