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
Sura (alcoholic drink) several spices) and "majja" (maybe equivalent of Sanskrit "madhu", mead or hydromel), and renunciation of its usage constitutes the 5th of the Buddhist precepts (pañca-sīlāni): "I undertake the training rule to abstain from fermented drinks which cause heedlessness" ("Surāmerayamajjapamādaṭṭhānā veramaṇī sikkhāpadaṃ samādiyāmi"). Sura (alcoholic drink) Surāh (Sanskrit and Pāli; Devanāgarī: सुरा) is a strong distilled alcoholic drink. It is referred to as an anaesthetic by Suśruta (a surgeon in India circa 400 BCE). Other ancient medical authorities also mention it; Charaka referred to making a woman with a miscarriage senseless to pain by administering alcoholic drinks like "surā", "sīdhu", "ariṣṭa",