fall colors

It's that time of year when our thoughts begin turning to the beautiful colors of the fall - and the subsequent bareness of winter.   Whether you're in the coldest northern reaches or enjoy the relative warmth of the Sunbelt, we all are aware that fall is a transition to a time when the annuals will fade once and for all and the deciduous plants will drop their leaves. But I propose that it doesn't have to be so - or at least that we can minimize the seasonal holes in our gardens through thoughtful use of evergreen trees and shrubs.  These are the most abundant of all plant types, after all, and the bones of