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," ...

There are some mistakes to avoid when propagating lavender. Bunting says to maintain good air circulation to avoid rot. Also ensure the soil is well-draining and use amendments that boost drainage, ...

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 ...