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 ...

Decades ago, horticulturists studied ways to provide potted plants with a medium that offered support and nutrition as well ...

Container gardening is a very popular topic for Southern California 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 ...

When shopping at your local gardening center or plant nursery, you'll probably come upon hefty bags of potting soil and potting mix. They tend to look the same, and you might think you'll just pick up ...

Different plants require different types of soil and some, such as the popular Phalaenopsis orchid, require more unusual ...