2017 Bismark Riesling 750ml

2017 Bismark Riesling 750ml

Moon Mountain District

Vineyard: Our Bismark Mountain vineyard is located in the Moon Mountain District, high above the city of Sonoma and the San Pablo Bay. Here, on the southwestern flanks of the Mayacamas Mountains amid 67 acres of red grapes, we planted 100 vines of clone 239 Riesling on a Rhyolitic slope. In this harsh mountain environment, it took seven years to produce enough fruit to bottle.


Vintage 2017: A welcome, very wet winter filled reservoirs. Spring frost was absent. A relatively dry, cool spring led into a summer with alternating cool and very hot periods. Blocks that were blooming during extremes suffered some shatter but overall the crop size was average. A temperate August was followed by a Labor Day heat wave that pushed harvest into high gear. The fruit for our Riesling was harvested September 13, 2017 at 21.6o Brix, TA 0.79 and pH 3.14.


Winemaking:  We manually pressed the fruit, stopping at 0.4 bar to avoid bitterness. We pressed to a stainless drum to which we added dry ice to chill the juice for settling. The Riesling was inoculated and fermented in stainless steel. After dryness we aged it on the lees for six months. In early March we racked the wine off lees, and sterile filtered it before bottling.


Tasting Notes:  Brilliant pale ginger, our Riesling has aromas of Lingonberry, jasmine and orange blossom. It has flavors of Blood orange and Meyer lemon zest and while juicy, its mid palate offers a fine sinew born of the Mountain. It finishes with a paraph of silken fruit. (Tasted 3-18-18)  



100% Riesling


Vineyard Location

Bismark Mountain block 21


Age of Vines

11 years


Alcohol 12.4%





Titratable Acidity (TA)

0.80 g/100 mL


Residual Sugar



Harvest Date       

September 13, 2017


Avg. Brix at Harvest: 21.6o



In Stainless Steel. Inoculated


Ferment. Temp.

Cellar Temp ~58 o F


Malolactic fermentation



Length/Type of Aging

6 months on lees, in stainless steel


Oak Types





Bottling Date

March 27, 2018


Number of Cases

17 (208 bottles)



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