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," ...

Reviews and recommendations are unbiased and products are independently selected. Postmedia may earn an affiliate commission from purchases made through links on this page. When water is poured onto a ...

Drainage is everything when it comes to soil. You'll see seed packets and planting guides for plants that can tolerate all kinds of soil conditions, but the one condition virtually every plant needs ...