Book  (2006)  Page(s) 32.  
 
"Ruth's German Rose", Hybrid china. No rebloom. Outstanding fragrance. Habit 2 [e.g.Tall, slender-caned type with few thorns, smaller foliage and flowers, showing affinity to Gallicas, and closely suckering] . Unknown, found [Ruth Knopf, SC]...The formal round flowers are a mix of dusky lavender and pale lilac with touches of rich carmine.

Book  (2000)  Page(s) 29.  
 
Three roses embody the exceptional beauty of the Hybrid Chinas: "Ruth's Steeple Rose", "Ruth's German Rose" and "Mary Lawrance's Shell Rose". All have light slender canes, smallish formal flowers of many petals, and coloring that is out of the ordinary.

"Ruth's German Rose" HCh. No rebloom. Outstanding fragrance. Habit [diagram] 2. Found. [Provenance: Ruth Knopf]. We never suspected that this unassuming rose would become one of our all-time favorites. The formal round flowers are a mix of dusky lavender and pale lilac with touches of rich carmine.