(2003)  Page(s) 149-153.  
 
Wayne Winterrowd. 'Comtesse du Cayla'.
....it forms a low, slight bush seldom taller than four feet, rather sparsely clad in leaves that begin - as do those of Rosa chinensis 'Mutabilis' by being burgundy-colored and change as they mature to a dark olive green.
...At my garden, North Hill, in southern Vermont.... 'Comtesse du Cayla' which was brought here as a cutting from Christopher Lloyd's magnificent qarden at Great Dixter where it is one of the few roses he has chosen to retain from his mother's original collection.