Buy San Pedro Seeds online from The Hague Seedcenter Holland. The seeds of Echinopsis Pachanoi or San Pedro are very easy to grow and hardy to -12°C (or less). The Hague Seed Center Holland only sells the best Echinopsis Pachanoi seeds online. These Seeds need a fertile, well-draining soil mix. Water the plants well and let them dry before watering again. This species seems to do better with a little more water than most cacti.