Mugs are native to Northern Europe and the mountains of Europe. They like cold weather. They don't do well in warm climates. Since a lot of folks who do bonsai live in warm climates, they say mugo don't do well as bonsai. 
It all depends upon your climate.
				
			It all depends upon your climate.
 
				 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		



 
 
		 
 
		 
 
		 
 
		

 
 
		

 
 
		 
 
		 
 
		