Vermiculite for Plants Vermiculite for Plants is an essential soil amendment that helps improve plant health and growth. It is a naturally occurring mineral that expands when heated, creating a lightweight and porous structure ideal for enhancing soil quality. When mixed into potting soil, vermiculite improves water retention, aeration, and nutrient availability—three critical factors for strong root development. Visit Us:- http://keltechenergies.com/vermiculite.html