Horticultural Vermiculite is an inorganic, inert, and sterile growing medium that provides excellent aeration, water-holding capacity, and plant insulation. Ultra-lightweight and free from disease, weeds, and insects, our vermiculite promotes healthy plant growth and is available in various grades to suit your needs.
Features:
- Non-abrasive and slightly alkaline (can be neutralized with peat)
- High cation exchange (or buffering exchange) for optimal nutrient absorption
- Insulating properties protect plants from temperature fluctuations