When the roots of houseplants start growing through the holes in the bottom of the pot, it’s high time to repot. A structurally stable, peat-free potting soil is ideal.
There is no need to use special soils for orchids and cacti. A peat-free soil specially designed for the needs of cacti offers a high level of stability and a high drainage effect. Orchids thrive particularly well in a peat-free soil specially designed to meet the needs of orchids.