DENDROLOGY

Detailed explanation-1: -For gardeners, perlite is useful in several stages of gardening-from starting seeds, to potting plants, to growing plants in the garden, and more. Perlite is often used in seed-starting and potting soil mixes because it keeps the soil loose, well aerated and well draining.

Detailed explanation-2: -Perlite for Horticulture The primary role of expanded perlite in soilless growing mixes is aeration when added to peat moss, composts, coir and other water-holding aggregates. The porous surface of expanded perlite provides room alternately for both air and water in the mixes – each needed for vigorous root growth.