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.
Cultivation Cultivars include 'Album', 'Carolina Gold', 'Luteum' and 'White Perfection'. R. caroliniaum was crossed with Rhododendron dauricum to create the PJM hybrids.
References
Bibliography The Plant List: Rhododendron carolinianum
North Carolina State University: Rhododendron carolinianum Alfred Rehder. RHODODENDRON CAROLINIANUM, A NEW RHODODENDRON FROM NORTH CAROLINA. Rhodora, Vol. 14, No. 162 (June, 1912), pp. 97–102
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