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," ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images Whether you’ve been gardening for years or are looking to become that bit ...

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 ...