Dick Boushey shows a cleft graft that he used to change a block of Semillon wine grapes over to Sauvignon Blanc. melissa hansen Field grafting wine grapes has successfully been done in Washington State. ­However, grape growers attending a Washington State University viticulture and enology field day learned it’s not a sure thing, and high percentage takes are very dependent on timing and weather. Grandview, Washington, grape grower Dick Boushey of Boushey Vineyards shared his successful and not-so successful field grafting experiences during the mid-August field day sponsored by the Washington State Grape Society. He showed growers and winemakers a […]