Article (website)  (2007)  
 
Roses with superior resistance (less than 2% foliage infected) to black spot and cercospora leaf spot were considered no-spray roses (do not require fungicides for clean foliage).

Lady Elsie May is on the list of no-spray roses.

Article (misc)  (Mar 2002)  Page(s) 39.  
 
ANGelsie, Shrub, flowers orange-pink [op], 2001, (NOAelsie, Lady Elsie May™)... blooms borne in large clusters... foliage, dark green, glossy, outstanding disease resistance; Unknown x Unknown; Noack, Werner; Angelica Nurseries, 2002.