allium sikkimense is a plant species native to sikkim, tibet, bhutan, nepal, india and parts of china (gansu, ningxia, qinghai, shaanxi, sichuan, xizang, yunnan). it grows in meadows and on the edges of forests at elevations of 2400–5000 m. the species is cultivated as an ornamental in other regions because of its strikingly beautiful blue flowers.