Viticulture & Enology Internships Premier Wine Blends recently announced Internship opportunities through Grayson College’s TV Munson Viticulture and Enology Center in Denison, Texas.  “Hands-on grape growing and winemaking is the only way to truly learn the art and science of viticulture and enology.” – Justin Shreiner, Director, Grayson’s Viticulture and Enology Program. Learn and Earn →