First of all, get rid of the spikes. Just keep the cacti in the flowering pot while you use V-cuts to take away the spikes. You can also use pliers (but the spikes have to be removed together with their roots).After removing the spikes, you can start slicing the cactus into pieces. Cut ...

  Echinopsis pachanoi, aka San Pedro, is a cactus native to Ecuador and Peru. Its stems are light to dark green, and it contains various alkaloids, for which it is famous, such as mescaline, a psychedelic drug. Hight: 3 – 6 m. Diameter: 6 – 15 cm. Mescaline: 0.2 – 1.8 ...