Perlite, is a form of volcanic glass with concentric cracks such that the rock breaks into small pearl-like bodies. It is formed by the rapid cooling of viscous lava or magma. Horticultural perlite is an inorganic and incredibly lightweight material. It is naturally sterile and has a neutral pH.
How to use: Suitable for addition to potting soils for plants that do not require very moist media, such as cactus soils, or for plants that thrive in well-draining soil.
- Perlite has an excellent property to of improving soil aeration while retaining the moisture and nutrients necessary to feed roots, cuttings, and seeds for faster growth.
- It helps to amend the heavy soils and make them light weight and hence widely loved by gardeners for its benefits. Perlite improves soils draining capacity while still retaining moisture.
- It mixes easily with soil, peat, composted pine bark and other composted organic materials, fertilizers, etc.
Note: Perlite is not the source of nutrients. It is inorganic product which can hold on moisture and nutrients in soil.