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Horticulture Pumice
Western States Quarries
Due to its porous nature, lightweight and hardness, pumice is highly desirable in the horticulture industry. Pumice is present in landscaping, fertilizer, soil mixtures and seed coating. It’s commonly used as a drainage rock and soil conditioner in plantings. Material is typically shipped in supersacks though smaller units are available.
Pumice is chemically inert with a high silica content and a neutral pumice is an ideal natural lightweight soil amendment. With millions of interconnecting spherical voids that help aerate soil, pumice can absorb and retain a high capacity of water before releasing it back into vegetation and the surrounding environment slowly.

Pumice