Supreme Perlite Medium Horticultural Perlite for Potting Soil Mixes, 4 Cu Ft Bag

Supreme Perlite Medium Horticultural Perlite is a professional-grade soil amendment designed to support healthy plant growth in a wide range of gardening applications. This large 4 cubic foot bulk bag provides an excellent supply for growers, greenhouse operators, and home gardeners who rely on consistent, high-quality perlite for potting soil blends, seed starting trays, hydroponic systems, propagation work, and specialty plant mixes. This medium-particle perlite contains a blend of fine and mid-sized grains, typically around 1/4 inch (4-5 mm) or smaller, creating an ideal balance of aeration and moisture retention. The improved airflow supports stronger root development, helps prevent soil compaction, and encourages faster, healthier plant growth. It is particularly well-suited for seedling mixes, tropical and aroid soil blends, cactus and succulent substrates, and potting mixes that require increased water-holding capacity without sacrificing drainage. Made from natural expanded volcanic perlite, this product is clean, sterile, lightweight, and pH neutral. It is completely odorless, non-toxic, non-flammable, and asbestos-free, making it safe for both indoor and outdoor gardening environments. Whether you’re mixing soil for houseplants, building raised bed blends, refreshing container gardens, or propagating cuttings, this perlite contributes to a consistently airy, workable medium. Supreme Perlite is OMRI Listed for use in organic agriculture, giving growers confidence in a high-quality amendment that meets strict organic standards. From potting mixes to propagation and beyond, this perlite delivers durability, consistency, and performance you can count on.

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Bullet Points

4 cubic feet bag of medium horticultural perlite ideal for potting soil, seed starting, propagation, and general organic gardening

Blend of fine and medium particles provides balanced aeration and moisture retention for healthier root development

Medium-size perlite, approximately 1/4 inches (4-5 mm) or smaller, is perfect for seedling mixes and finer potting blends

Clean, sterile, lightweight, and pH neutral, making it suitable for a wide range of plant varieties and soil types

Excellent for mixing into garden beds, hydroponic systems, cactus and succulent soil, tropical blends, and propagation trays

OMRI Listed for organic use and made from natural expanded volcanic perlite that is odorless, non-toxic, and asbestos-free

Ideal for professional growers, hobby gardeners, and plant enthusiasts needing a bulk supply of quality perlite

Material: Perlite

Color: White/Off-White

Dimensions (L x W x H): 38 x 20 x 8 inches

Weight: 24 pounds