origination:

Auten

FIESTA (Auten, 1956) - Single - Red - Early - Hybrid. Tall. Orange red. Single with two rows of petals. The color holds. Bloom medium size, stems tall and stiff. Officinalis x albiflora. Letter from Mr. Auten, April, 1956. Auten's 1956 catalog.

M.S. Uspenskaja 2003, p. 115:

Carsten Burkhardt's Web Project Paeonia - The Peony Database

TTTT06

TTTT07

TTTT08