Perlite is a volcanic glass that is often used in gardening due to its lightweight, porous nature that aids in healthy plant development. "It is made from a type of volcanic glass called obsidian," ...

Every gardener wants nutrient-rich soil. But just because your yard doesn’t have enough nutrients naturally doesn’t mean you can’t add more with the help of vermiculite or perlite, common soil ...

There are a variety of reasons why you shouldn't use garden soil for indoor plants, including drainage concerns. Pros recommend using an indoor plant-specific soil that features perlite or bark chips.