The experts surmise Norton is likely a cross between V. aestivalis and an unknown V. vinifera species. There is possibly some contribution of V. labrusca.
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Primitivo: The early-ripening varietal
Anyone well versed in wine grape nomenclature knows that Primitivo and Zinfandel are genetically identical. Yet test trials have shown there are some differences with grape types. Learn some of the history and best practices when handling Primitivo.
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Bold Brianna: A strong and healthy grower
Elmer Swenson’s grape breeding program has had a profound effect on the North American wine scene. One such grape to come from his program is Brianna, a grape that required an estimated 93 crosses to produce. Learn about this grape’s heritage as well as how to best work with it.