Supreme Perlite Coarse Horticultural Perlite offers a professional-grade soil amendment ideal for gardeners, plant owners, and hobbyists who want improved drainage and aeration in their potting mixes. This convenient 24 quart bag provides the perfect size for home projects, container gardening, indoor plants, seed starting trays, and small garden applications without requiring bulk quantities.
This coarse-grade perlite includes a blend of fine, medium, and large grains ranging approximately from 1/16 inch up to 1/2 inch (2–12 mm) or larger. The varied particle sizes help create balanced moisture retention while supporting airflow around plant roots. Its structure assists in reducing soil compaction, improving oxygen availability, and promoting stronger, healthier root development for vegetables, flowers, succulents, cactus, tropical plants, and aroids.
Made from natural expanded volcanic perlite, this horticultural amendment is clean, sterile, lightweight, and pH neutral. It is odorless, non-toxic, non-flammable, and asbestos-free, making it suitable for both indoor and outdoor gardening environments. Whether blending potting soil, propagating cuttings, refreshing container gardens, or mixing with compost, coconut coir, vermiculite, worm castings, or fertilizer, this perlite delivers consistent performance.
Supreme Perlite Coarse Perlite is OMRI Listed for organic agriculture, ensuring compatibility with organic gardening methods and production standards. Its versatile performance and convenient retail size make it an essential component in any high-quality soil mix.
- 24 quart bag of coarse horticultural perlite ideal for potting soil, seed starting, propagation, and organic gardening
- Blend of fine, medium, and coarse particles approximately 1/16 inch to 1/2 inch (2–12 mm) for balanced aeration and moisture retention
- Helps improve soil drainage and airflow to support healthy root development
- Clean, sterile, lightweight, and pH neutral for compatibility with a wide range of plant varieties and soil types
- Excellent for mixing into garden beds, compost blends, coconut coir, vermiculite, cactus and succulent soil, tropical mixes, 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 home gardeners, indoor plant owners, apartment gardeners, and small planting projects
- Material: Perlite
- Color: White/Off-white
- Dimensions (L x W x H): 26 x 15 x 3 inches
- Weight: 4.25 pounds
Questions? We’ve Got Answers.
Helpful answers about product features, setup, and more
What size is the potting soil?
The potting soil measures 26 x 15 x 3 inches (length x width x height). Use these measurements to confirm the product fits your intended setup before ordering.
How is the potting soil typically used in a garden?
The potting soil is used for outdoor gardening, landscaping, or lawn care tasks such as planting, soil preparation, weed control, or watering depending on the specific product. It is intended for outdoor use in gardens, raised beds, planters, or other growing areas.
What is the storage capacity of the potting soil?
The potting soil has a 24-quart capacity. This makes it a practical size for organizing the items it is designed to hold without taking up excessive room in your space.
Can the potting soil be used indoors and outdoors?
Yes. The potting soil is suitable for both indoor and outdoor use. It can be placed in areas such as patios, decks, garages, mudrooms, or entryways depending on the space and storage needs.
What color is the potting soil?
This potting soil comes in white. The color provides a neutral finish that coordinates with a wide range of décor styles. It works in both indoor and outdoor settings depending on placement.
Who makes the potting soil?
The potting soil is made by Supreme Perlite. Supreme Perlite produces this item as part of its lineup, and product details such as specifications, included accessories, and warranty terms are set by the brand.
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