UK specialist organic wine importer Vintage Roots has clearly been checking their biodynamic calendar because I did this tasting on a flower day, and whether or not that had an effect, it was certainly a very enjoyable tasting from start to finish. Leading lights were the Pievalta Verdicchios and Guy Bossard's Muscadets. Producers are listed in the order that they were tasted, white wines then red. As background to the company's own roots, here's their account of how they started:  Our roots extend back to 1986 when we started our business with the help of 'The Enterprise Allowance Scheme', which gave budding young...