"I think it would be more accurate to say that Sourwood tends to grow more densely at "high elevations", and/or in the larger forests that are "cut" by loggers, like the US Eastern National Forests." Keith Delaplane reports that there is a very big difference in nectar production of this tree at higher elevations. He didn't say why, but there are a number of possible reasons. For instance, you can't grow cherries where I live because there are not enough hours of cold. :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: -- Visit www.honeybeeworld.com/BEE-L for rules, FAQ and other info --- ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::