Panorama of Howell Mountain, Napa Valley wine country in autumn. Sun and clouds at a Napa, California vineyard with mountains, valleys and lake.

Understanding AVA: 85% Rule

Sub-appellate wines are handled very much like appellate wines, with one more level of strictures.  The 85% rule. Where appellate wines need only be 75% of the stated varietal, 100% grown in the stated appellation, sub-appellate wines must be 85% of the stated varietal, 100% grown in the…

Napa Valley vineyard on a sunny day with clouds in the distant horizon

Understanding AVA: 75% Rule

It is commonplace to believe when you buy a Central Valley Cabernet or a Central Valley Zinfandel, that you are getting 100% Cabernet with 100% of the fruit from the Central Valley, or 100% Zinfandel 100% from the Central Valley.  Unfortunately, that is not always the case. Appellation…

Sugar dunes with sugar crystals pouring down like sands through an hourglass

What is Chaptalization?

Developed by (and named for) French chemist Jean-Antoine-Claude Chaptal, chaptalization is the process of adding sugar to unfermented grape juice to increase the alcohol percentage post-fermentation.  The added sugar is consumed by the yeasts and converted into alcohol. Chaptalization as a process does not increase the sweetness of the…

Beautiful vineyard photo in spring

What is a Hectare?

If you’ve geeked out at a wine tasting room, wine bar, or local wine shop, you may have come across the term hectare in conversation about the land the grapes were grown on, but what exactly is a hectare? A hectare is a unit of measurement used by…

Cabernet Franc

Happy Cabernet Franc Day! And it couldn’t be at a better time of the year.  Nothing sounds better than cozying up by the fireplace with a delicious glass of Cab Franc to help keep you warm. Cabernet Franc in the new world has an association with big heavy…

A person harvesting a whole cluster of wine grape bunch from a vine

Whole Cluster Fermentation

Whole cluster (or bunch) fermentation is the process by which everything goes into the fermentation process.  Skins, seeds, stems, you name it.  The invention of the de-stemmer revolutionized wine, but could you imagine Burgundian winemakers in the 1800s hand picking each berry to get all the stems off? …

Malbec wine grape cluster hanging on the vine

Malbec Facts

If you didn’t know better, it would seem in the last decade a new varietal wine had been magically invented or finally discovered.  During the last American recession, a new standard for structured reds just magically appeared in the marketplace hailing from Argentina, and its name?  Malbec. The…

Modern wine production facility with stainless steel fermentation tanks

What is Carbonic Maceration?

Carbonic maceration is a process by which grapes are fermented in their skins in a carbon dioxide rich environment.  The weight of all the grapes crushes the juice from the lower areas of the tank that holds the grapes and gas, and undergoes a somewhat more conventional fermentation…

Silhouette of the state of Texas with TX written, overlaid on a wine Texan vineyard background

TX Wine Facts

For Texas Wine Month, we’d like to share some information on the Lone Star state’s wine industry.  Hopefully it will inspire you to check out some wineries on your next trip to the SXSW festival or whatever brings you to the great state of Texas! Texas has 7…

Autumn vineyard roadway in Rutherford lined with colorful trees

Rutherford AVA, Napa Valley

Situated in the center of Napa Valley is the world famous Rutherford AVA.  Established as a sub-appellation of Napa Valley in 1993, Rutherford has a total area of 7,457 acres of which 1,454 acres are cultivated for grapes.  Sandwiched between St. Helena to the north, Oakville to the…