![Review of Major Growing Media Components Featured Image](https://www.sungro.com/wp-content/uploads/Growing-Media-700x587.jpg)
By Dan Jacques and Ron Walden, Sun Gro Horticulture –
The major role of a growing mix is to support the plant, while holding water and nutrients for the plant to use during growth. There are five main components commonly used in making growing media: peat moss, bark, coir, perlite and vermiculite. This article describes the components and outlines desired properties of mixes for various uses in greenhouse production.