While several shrubs have perished in saturated soil after a summer of flooding rains, some plants on higher ground have grown with unusual and notable vigor. Two variegated ‘Silver Cloud’ redbuds (Cercis canadensis ‘Silver Cloud’) and an Oakleaf hydrangea (Hydrangea quercifolia) have grown to engulf a Hinoki cypress (Hinoki gracillis ‘Compacta’). I am not noted…