Vermiculite for gardening is a natural mineral used to improve soil quality, aeration, and moisture retention. Lightweight and highly absorbent, vermiculite helps roots access water and nutrients more efficiently, promoting healthier plant growth. Ideal for seed starting, potting mixes, and garden beds, it prevents soil compaction and enhances drainage while maintaining essential moisture. Whether you're growing vegetables, flowers, or houseplants, adding vermiculite ensures a well-balanced, breathable soil structure that supports strong root development and robust plant health.