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 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," ...

Potting soil, or potting mix, is a substrate that usually consists of garden soil, organic matter and minerals.

Container gardening is a very popular topic for gardeners. Most homes do not have a lot of gardening space, either because of tiny lot size or no lot at all (in the case of condos or apartments).

Add Yahoo as a preferred source to see more of our stories on Google. While it might be tempting to go to your local garden center and pick up a bag of Miracle-Gro potting soil because the packaging ...

Look up the word "vermiculite" in Henry Beard and Roy McKie's hilarious "A Gardener's Dictionary" and you'll see it defined as an "obscure order of nuns devoted to gardening." In fact (as opposed to ...