origination:
OLD SIWASH (Auten, 1939) - Double - White - Midseason. Good height. Rose fragrant. Opens flesh, fades to pure white; good size, held very stiffly erect; good height. Bulletin 80.
Tartu Ülikooli Botaanikaaed (THE BOTANICAL GARDEN OF THE UNIVERSITY OF TARTU) INDEX PLANTARUM : Paeonia 'Old Siwash' Auten 1939
