Book  (1936)  Page(s) 523.  
 
Okaga (hybrid gallica) Prof. Hansen 1927; R. gallica grandiflora X Tetonkaha; deep pink, 8 cm., semi-double, flat, solitary or up to 5, floriferous, June-July, growth 7/10, bushy, short, hardy. Sangerhausen

Book  (1927)  Page(s) 51.  
 
Okaga Rose - Introduced 1927. Pedigree: Rosa gallica grandiflora x Tetonkaha. A very fine semi-double rose. Flowers, deep pink; low bush; blooming very freely in June and first half of July.