Coarse Vermiculite

The Soil Lab Coarse Vermiculite comes in 5mm-8mm grade. It is ideal for mature or larger plants. For younger or smaller plants, try our Fine Vermiculite. 

Coarse vermiculite is a popular soil amendment used in gardening and horticulture to improve soil quality and plant growth. It is a naturally occurring mineral that has been heated and expanded to create a lightweight and porous material.

Coarse vermiculite has a high water-holding capacity, which makes it an excellent addition to soil mixes for plants that require regular moisture. It also helps to improve soil aeration and drainage by creating air pockets within the soil. Coarse vermiculite is an all-natural material that is free from harmful chemicals or additives, making it a safe and sustainable option for plant growers.

Overall, coarse vermiculite is an excellent soil amendment that can improve the health and growth of a wide range of plants.