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 ...

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 ...