Succulents require a well-draining soil with larger particles so water can enter quickly and drain away from the roots without compacting the soil. The soil should be porous and well-draining and have a lower percentage of organic matter than traditional indoor soil mixes. A loose, grainy soil mixture with plenty of sand and perlite or pumice is ideal. Here are some key components of a good succulent soil mixture:

• Sand: Sand is an important part of any succulent soil mix. It helps to improve drainage and aeration, and provide that grainy texture that succulents love. Avoid fine sands for your succulent soil and opt for the medium to coarse grit for optimal drainage.

• Potting Soil: Potting soil is still an important part of any succulent soil mixture as it provides the organic matter and nutrients the plant needs. You will want to choose a potting soil that is well-draining to use for your succulent soil, and since you will be mixing it with additional sand and perlite/pumice, you can use less potting soil than you would for other houseplants.

• Perlite or Pumice: Perlite or pumice are used to improve drainage and aeration in the soil mix. They are lightweight and porous, which helps to prevent soil compaction and allows water to drain quickly.

The exact ratio of these three ingredients can vary depending on the type of succulent that you have, as well as personal preference. However, a good starting point for most succulents is two parts sand, two parts potting soil, and one part perlite or pumice. You can also make your own succulent soil mix by combining organic matter such as pine bark, coconut coir, compost, or potting soil with mineral options such as coarse sand, perlite, volcanic rock, fine gravel, or chicken grit. When planting succulents in containers, use a potting mix specifically formulated for succulents and cacti and plant in a pot with holes in the bottom for drainage.