Jon-David Headrick was at Camerata Houston on Tuesday to educate local wine professionals on Chenin Blanc from the Loire Valley and to participate in Houston's Loire Fest which is taking place all this month at local wine bars around town. He has a portfolio of wines called Jon-David Headrick Selections of which a portion were tasted during the lecture. Most of his wines are organic or biodynamic. All of the grapes used in these wines were hand-harvested which Headrick says is less common in the Loire Valley than one might think. He chooses wines that have no oak treatment or were aged in neutral oak for an added textural component rather than as a major part of the flavor. He spoke of the massive diversity in the soil types of the region and how this diversity is particularly reflected in the single varietal wines. The Loire Valley stretches from the Atlantic almost to Burgundy and the vineyards lie near the Loire River. Chenin Blanc is indigenous to the Loire Valley and is...