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," ...

Add Yahoo as a preferred source to see more of our stories on Google. suvian / Getty Images Every gardener wants nutrient-rich soil. But just because your yard doesn’t have enough nutrients naturally ...

Perlite, a volcanic rock, is a common ingredient in potting mixes. It improves drainage, aeration and water retention in soil. Perlite is lightweight and can be added to in-ground gardens, but it's ...

Consider vermiculite's pros and cons so you can decide if it's the right choice for the plants you want to grow. Vermiculite is a natural material commonly used in potting soil or by itself to help ...

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 ...