The “King of Shrubs”
This informative article by Daniel DiClerico in the March issue of Garden Design explains the diversity and complexity of the Rhododendrons genus.
def: Rhododendron (from Ancient Greek rhódon “rose”, and déndron “tree”) is a genus of over 1000 species of woody plants in the heath family, most with showy flowers. It includes the plants known to gardeners as azaeleas.