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 eggersiana interested parties (concerned government agencies, the scientific community and/or industry) submit data or suggestions concerning this species (USFWS 1998b). The plant is being cultivated at the St. George Village Botanical Garden in St. Croix U.S.V.I.(USFWS 1998a) and at Fairchild Botanical Gardens in south Florida. "Agave eggersiana" has flowering stalks up to 7 m (23 feet) in height and has large, yellow tubular flowers that produce flattened black seeds (USFWS 1998a). Agave eggersiana Agave eggersiana, Eggers' century plant, is an endangered species of spiky plant which grows in the Virgin Islands, in dry, exposed areas. "Agave eggersiana" is a perennial herb