If you are fortunate enough to own a. hereoensis --- it can take temperatures of 25 degrees, despite the big, vulnerable looking leaves, contradicting what was just said about S.African aloes, because that's where it comes from.. According to the Encyclopedia Britannica
this aloe is found in the Kalahari.--that's desert enough for anybody. 
this aloe is found in the Kalahari.--that's desert enough for anybody. 