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," ...

What's the best way to improve your garden's drainage? During the rainy months, frustrated gardeners have seen their back gardens turn to swamps, which has a long term knock-on effect because good ...

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 ...