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," ...

If you're new to growing houseplants, you may have already realized that having the proper potting soil is important. And if you're already a houseplant aficionado, you know there are ready-made soil ...

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 ...

The word “vermiculite” is defined in Henry Beard and Roy McKie’s hilarious “A Gardener’s Dictionary” as an “obscure order of nuns devoted to gardening.” In fact, it is a silicate material similar to ...

Think of your indoor and outdoor plants a little bit like Goldilocks: They need a just-right potting mix or soil to help them really thrive. And although the words “potting mix” and “potting soil” are ...