For general cacti soil, you need to mix three cups of sand with three cups of regular soil and two cups of perlite or pumice. Combining the right amounts of ingredients is paramount to achieving desired compactness, aeration, and drainage.
Similarly, can you use potting mix for cactus?
Can I Use Regular Potting Soil For Cactus? Yes, you can use regular potting soil or African violet soil for your cactus plants. But again, don’t use these on their own, as they have too much moisture-holding organic matter and may contain fertilizer additives that are not geared for slow-growing cacti.
Then, should I add perlite to cactus soil?
Cactus may benefit from a higher mix of sand, but it must be the coarse type. Perlite – Perlite is commonly included in most mixes for succulents. This product adds aeration and increases drainage; however, it is lightweight and often floats to the top when watered. Use at 1/3 to 1/2 in a mix with potting soil.
Do indoor cactus need special soil?
The short answer is “Yes.” Most cacti plants are native to a desert environment. As such, they are accustomed to growing in sandy soil. Therefore, if you bring the plants to a new environment, then you must also provide them with the right soil for them to survive. Specifically, these plants need fast-draining soil.
When planting outdoors in the ground, aim for a sandy loam that is 50% to 80% coarse sand or fine gravel. For potted plants, select coarse grit minerals about 1/ 8” to 1/ 4” in diameter. This will ensure rapid drainage and keep your succulents from rotting in soggy soil.
Although regular potting mix usually drains well, the organic materials in the soil soak up and retain moisture. Cactus soil does not retain moisture because it is primarily made up of inorganic materials, which also helps to prevent root rot.