Have you looked at your orchid's roots lately?  Your plant may appear healthy on the surface, but what lies beneath can be frightening.  In this post, I discuss how to trim an orchid's dead roots & why it may benefit your orchid.  If you look at your orchid's roots, whether while repotting or by chance, you may be disturbed by what you see.  Brown, shriveled, desiccated shells now hang where once plump, silvery green roots flourished.  A disturbing sight I know, but you are not alone as it's something every orchid grower must face at some point.  As part of an ongoing orchid series for the home gardener, I am…