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).

Carefree Sunshine is on the list of no-spray roses.

Book  (2002)  Page(s) 30.  
 
Carefree Sunshine Shrub, medium yellow, 2001. Not rated