Perlite is lightweight expanded volcanic glass. When mixed with soils, it increases aeration and drainage, which helps root development. It also helps maintain soil moisture for less watering. Perlite is recommended as a starting medium for rooting and germination.

• Lightweight, white, porous material for amending soils and potting mixes
• Component: perlite
• Increases aeration and drainage
• Recommended as a starting medium for rooting and germination