The Memberlist shows three members IN Asheville and three more within less than 25 miles. They might have have suggestions IF they live near your same elevation and exposure.
http://garden.org/users/member...
User Location Miles away
Fillup - - - - - Asheville, NC - - - - - - 0
drlouisgen - - Asheville, NC - - - - - - 0
barbralove - - - Asheville, North Carolina - - - - - - 0
koiguy - - - - - - Western, North Carolina - - - - - - 22
miekkosalter - - - - Penrose, North Carolina - - - - - - 24
deansbooboo - - - - - Pisgah Forest, NC - - - - - - 24