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," ...

Those little squishy white balls in your potting soil aren’t styrofoam. They’re actually perlite, AKA volcanic popcorn. In the building industry, perlite is used in ceiling tiles and lightweight ...

Perlite is a volcanic rock that increases circulation and moisture retention in soil. There are different grades of coarseness perlite is available in, and they each have different uses and benefits.

We may receive a commission on purchases made from links. If you've ever read the care instructions for a plant you just bought, you've likely come across the requirement for well-draining soil. What ...