The special potting soil for cacti offers excellent fertilization and drainage and is ideal for cacti and plants that do not like stagnant water. In fact, its composition allows it to temporarily retain significant amounts of water to allow the plant to form a reserve, but it also provides excellent drainage in order to avoid the formation of stagnant water, which can lead to rotting of the roots and the aboveground part of the plant. The inclusion of river sand ensures optimal porosity of the potting soil. Cacti generally require high temperatures, even during winter, and grow well when exposed to plenty of sunlight. They can also be easily grown outdoors if the outside temperatures do not fall below 4-5 degrees Celsius.