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 delamateri Agave delamateri Agave delamateri is a species of plant in the agave subfamily, Agavoideae. It is known by the common names Tonto Basin agave and Rick's agave. It is endemic to central Arizona in the United States. It is generally found on gravelly soils in desert scrub and sometimes pinyon-juniper woodland, often near Mogollon or Salado archaeological sites. "Agave delamateri" is an acaulescent (trunkless) species forming rosettes up to 100 cm (40 inches) in diameter. Leaves are up to 70 cm (28 inches) long, with a waxy coat giving them a bluish-green appearance. Leaves are well-armed, with teeth along the