Root Cause is defined as the fundamental reason for the occurrence of an event. In our case, we take this quite literally. Thanks to the diverse soil, coastal influences, and California sunshine, our vines thrive and our roots run deep. This results in well-structured yet expressive wines. Good roots, good wines, good times. rootcausewines.com. This wine was made in a sustainable winery. Please recycle this bottle. Alc. 13.5% by volume. 27 Vinted & Bottled by Root Cause Wines, Parlier, CA.