Agave maintenance once established. "Agave azul" (blue agave) is used in the production of tequila. In 2001, the Mexican Government and European Union agreed upon the classification of tequila and its categories. All 100% blue agave tequila must be made from the "Agave tequilana" 'Weber's Blue' agave plant, to rigorous specifications and only in certain Mexican states. The hybridized genus ×"Mangave" is created by cross-breeding species of "Manfreda" and "Agave". The ethnobotany of the agave was described by William H. Prescott in 1843: But the miracle of nature was the great Mexican aloe, or maguey, whose clustering pyramids of flowers, towering
Agave shawii flowering. Seeds are best sown fresh with no stratification required. Agave shawii Agave shawii, with the common names coastal agave or Shaw's agave, is a very rare and critically endangered species in the genus "Agave" native to southwestern California and Baja California. The plant is named for Henry Shaw, the founder of the Missouri Botanical Garden. The plant is native to California coastal sage and chaparral habitats, along the Pacific Coast of northern Baja California state of Mexico and southwesternmost San Diego County of California. It is much more common in the wild in Baja California than in San Diego