Tequila with salt and lime across the rest of the world. The red volcanic soil in the region around the city of Tequila is particularly well suited to the growing of the blue agave, and more than 300 million of the plants are harvested there each year. Agave grows differently depending on the region. Blue agaves grown in the highlands Los Altos region are larger in size and sweeter in aroma and taste. Agaves harvested in the lowlands, on the other hand, have a more herbaceous fragrance and flavor. Mexican laws state that tequila can only be produced in the state
Tequila tequila exported in bulk to the United States is bottled in those plants. On January 17, 2006, the United States and Mexico signed an agreement allowing the continued bulk import of tequila into the United States. The agreement also created a "tequila bottlers registry" to identify approved bottlers of tequila and created an agency to monitor the registry. The Tequila Regulatory Council of Mexico originally did not permit flavored tequila to carry the tequila name. In 2004, the Council decided to allow flavored tequila to be called tequila, with the exception of 100% agave tequila, which still cannot be flavored.