But even if they are, your plants won’t really thrive unless they’re getting what they need from the soil. Sometimes, adding another material to the mix—like pumice—can help. Here’s how ...

Her mix contains two parts coconut coir or peat moss mixed with with one part perlite or pumice, one part composted plant ...

Monstera plants thrive in a mix that mimics their natural ... says Elise Harlock from Prestige Flowers. 'Perlite and pumice ...

Volcanic rock like perlite and pumice keep the soil from packing together. The decomposing remnants of plants and animals add nutrients. Silica makes up the bulk of most soils, in the form of sand ...