Txhorticulture
Chumono
My guess and only a guess is that it is humidity's  effect on heat. But humidity could be a factor in and of itself because high humidity permits different fungi, bacteria whatever to grow and an alpine plant doesn't have the adaptations to deal with that. I'm not fighting anyone just talking here 
				
			
 
				 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 ....triple-dog dare.
....triple-dog dare.
 
 
		 
 
		 I just want to learn about bonsai techniques.  I do like Brian's pics on the first page, that was helpful.
  I just want to learn about bonsai techniques.  I do like Brian's pics on the first page, that was helpful. 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		