Book  (2006)  Page(s) 55.  
 
Hayden Foulds. Rose Breeding in New Zealand. 'Blueboy' is a HT/Fl with clusters of lavender grey blooms, most who see it describe it as the bluest rose they have seen.

Book  (2004)  
 
p49 Peter Elliott. Trial Ground Report 2004. ....Another Simpson entry, 'Blue Boy', also created interest with its unusual lavender/grey blooms.

p52 New Zealand International Rose Trial. Trial 33. 2001-2003. Variety 2001.4240. 68.4 points. HT/Fl. 'Blue Boy'. Breeder Simpson. Agent: Ford Roses. mauve blend.