Peyote (Lophophora williamsii) is a federally Schedule I plant in the United States with a narrow Native American Church religious-use exemption. This reference covers every US state and more than 30 countries, citing the operative statute for each.
Owning San Pedro cactus as an ornamental is generally legal across the United States. Mescaline, the alkaloid the plant contains, is Schedule I under the federal Controlled Substances Act. This 50-state guide explains where the line sits, why no state names Trichocereus by botanical name, and how the Louisiana, Idaho, and Oklahoma vendor-blog myths get the statute wrong.
