While color mutations of grapes do happen from time to time, they’re not an everyday occurrence. Their existence is one thing but the real question is whether a mutation can actually produce a quality wine and this is something that’s a long answer to arrive at and is usually the source of ongoing work. Tempranillo Blanco in Rioja is something quite unique, so much so that almost exactly three years ago, I published an overview of how the grape came to be. Unlike other “possible” color mutations out there (Listán […]