Pronounced Shahm boor San. Hybrid red grape varietal introduced in 1963 by Joannes Seyve. A highly grown French hybrid that is native to the East Coast, the variety is of unknown parentage. Grown and highly valued in France's Loire region, Chambourcin is strongly resistant to fungal disease. Vinified as rosé and red wine, it is often used as a blender and seldom receives acknowledgment on the label.

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