Question
I have just planted two corkscrew willows next to my deck with the intention to create privacy from my neighbors windows.  Will I have a pest problem sitting on my deck because of these trees and if so, is there a spray or treatment I can use to prevent this?  I am located in Nashville, TN.  Thanks, Lesa  

Answer
Generally there will not be many problems. I do not recomend spraying pesticides unless there is a problem so the only prevention is to keep the tree health by fertilizing and watering and watch and IF a problem shows up treat it then. Here is a web link that discribes corkscrew willow and lists some of it potental pests.
http://edis.ifas.ufl.edu/ST577