Bardstown's High Wheat Bourbon is the first 39% wheated mashbill available on the market. This expression explodes with richness and flavor thanks to 39% wheat in the mashbil and at 106 proof in the bottle.vEstate-distilled, aged and bottle on-site; enjoy the unmatched character and elegance of High Wheat. CORN 53% WHEAT 39% MALTED BARLEY 8%. Tasting notes from the distillery, "Ripe apricot and lemon rest on leather and crème brûlée. A bold palate of oak and pastry leads to a lightly spiced, full-bodied finish."