Rhododendron minus var. minus  Rhododendron minus" var. "minus, the Carolina azalea or Carolina rhododendron, is a rhododendron species native to the mountains of North Carolina, South Carolina, Tennessee, and Northeast Georgia. It is commonly known as Rhododendron carolinianum in the horticultural trade. Cultivars include 'Album', 'Carolina Gold', 'Luteum' and 'White Perfection'. "R. caroliniaum" was crossed with "Rhododendron dauricum" to create the PJM hybrids.