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
Agave neglecta Agave neglecta Agave neglecta, known as wild century plant, is endemic to central Florida. It is found in sandy soils, especially near the coasts. It has been rarely seen in the wild, although it has been documented via several photographs and sterile specimens. Coincidentally, the latter portion of its scientific name means "neglected" or "overlooked". It may represent a cultivar of "Agave sisalana" or "Agave kewensis". Some authorities express doubt regarding the species' nativity, stating that the species may have been introduced from Mexico during pre-Columbian years. The species is also known as Small agave in honor of its discoverer;