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," ...

A Christmas cactus thrives when its soil mimics its natural rainforest home—moist, airy, and fast-draining to keep roots healthy. Experts say the best mix uses regular potting soil blended with ...

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 ...

FARGO -- I'm sure my grandparents never heard of Miracle-Gro. To them, "miracle grow" meant their gardens survived the drought and grasshoppers of the 1930s and yielded enough food to store through ...

Like most folks, I occasionally run short of important stuff like money, patience and frozen pizzas. But something I always have on hand is perlite, a naturally occurring volcanic mineral that, when ...