MK Ultra is an Indica dominant medicinal marijuana strain that has ultra-strong cerebral effects. It is created by crossing the Indica variety G-13 and sativa variety OG Kush. It is an indoor plant with an average yield and a short height. It has a leafy appearance that is green in color with hues of brown and orange. It has a THC level of 18 percent. It has a pungent flavor that is a blend of skunk and earthy tastes.