While researching the current popularity of blended wines in preparation for a talk at the 2017 International Bulk Wine and Spirits Show about blends that begin life as bulk wine, I discovered white blends emerged as the exception rather than the rule. Consumer preferences for monovarietal white wines—Sauvignon Blanc is currently the fastest-growing white variety—are the likely drivers there, but that doesn’t stop winemakers from creating successful proprietary blends. In 2014, blended wines accounted for more than 40 percent of new entries to the U.S. market, with the lion’s share going to reds (29.3 percent) and whites accounting for just 1.9 percent. When surveyed, domestic consumers said they liked blended wines because they are experimental, interesting and trendy with better value. But it’s not the classic blends from regions like Bordeaux, the Southern Rhône, Valpolicella and Rioja they’re referring to; it’s the under-$25 blends that are marketed as nothing more than just that—blends. One striking example of success with modern blends is Dave Phinney’s Locations Wine portfolio, which goes even further by eliminating vintage and relying …