Next to Phalaenopsis, Dendrobium Phalaenopsis are among the most popular types of orchids grown by the home gardener -- for good reason.  With the potential for profuse and cascading displays of beautiful flowers that last for months at a time, Dendrobium Phalaenopsis is a must-have addition to any gardener's collection.  There are few things as inviting as stepping on a front porch to be greeted by a spectacular display of Dendrobium Phalaenopsis flowers spilling out of a hanging basket.  On top of their obvious aesthetic appeal, however, I find my Dendrobium Phalaenopsis to be among the easiest of my orchids to grow and care for -- if you have the…