Agave tequilana planting these shoots; this has led to a considerable loss of genetic diversity in cultivated blue agave. It is rarely kept as a houseplant, but a 50-year-old blue agave in Boston grew a stalk requiring a hole in the greenhouse roof and flowered in the summer of 2006. Tequila is made only from a specific cultivar of "Agave tequilana" called 'Weber Azul'. This cultivar is larger and blue-gray in color compared to the smaller and green normal "A. tequilana". It is a rapid grower and prolific offsetter in keeping with its agricultural advantages. Tequila is produced by removing the heart
Pulque Pulque Pulque (occasionally referred to as agave wine) is an alcoholic beverage made from the fermented sap of the maguey (agave) plant. It is traditional to central Mexico, where it has been produced for millennia. It has the color of milk, somewhat viscous consistency and a sour yeast-like taste. The drink's history extends far back into the Mesoamerican period, when it was considered sacred, and its use was limited to certain classes of people. After the Spanish Conquest of Mexico, the drink became secular and its consumption rose. The consumption of pulque reached its peak in the late 19th century.