Versatile, organic vermiculite!

Palmetto Vermiculite Grade A-3 is a premium, coarse particle size material meeting ASTM C516 Type 1, Grade 2 specifications.

This OMRI-listed material is great for organic gardenging. It is widely used as a component of growing media for professional growers. Additionally, the material is used as a cover for seed topping.

The particle size and absence of fines makes the material ideal for packaging smaller boxes of hazardous chemicals for air transport in accordance with IATA Regulations. Coarseness and size may vary depending on mine harvested from.

Product Specs

Grade: A 3 Coarse
Particle size: Coarse
ASTM specification: Meets ASTM C516 Type 1, Grade 2
OMRI listed: Yes
Application: Organic gardening
Used as: Component of growing media and seed topping cover
Suitable for: Packaging smaller boxes of hazardous chemicals for air transport in accordance with IATA Regulations
Coarseness and size: May vary depending on mine harvested from

Product Warranty Information

A-3 Coarse-Grade Vermiculite -Garden Home Down to Earth Guarantee web 2

This product is covered under A.M. Leonard’s exclusive 30-Day Down to Earth Guarantee. Click Here for more Details.

Product Features

Versatile, organic vermiculite
Premium, coarse particle size meeting ASTM C516 Type 1, Grade 2 specifications
OMRI listed material for organic gardening
Ideal component for growing media for professional growers
Great cover for seed topping
Perfect for packaging smaller boxes of hazardous chemicals for air transport in accordance with IATA Regulations
Coarseness and size may vary depending on mine harvested from

Frequently Asked Questions

1. What is the Palmetto Vermiculite Grade A 3?
Palmetto Vermiculite Grade A 3 is a premium, coarse particle size material meeting ASTM C516 Type 1, Grade 2 specifications. It is a versatile, organic vermiculite that is great for organic gardening. The material is widely used as a component of growing media for professional growers, and as a cover for seed topping. The coarseness and size of the vermiculite may vary depending on the mine harvested from.

2. Can I use Palmetto Vermiculite Grade A 3 for packaging hazardous chemicals?
Yes, you can. The unique particle size and absence of fines make the material ideal for packaging smaller boxes of hazardous chemicals for air transport in accordance with IATA Regulations.

3. Is Palmetto Vermiculite Grade A 3 suitable for professional growers?
Yes, it is. Palmetto Vermiculite Grade A 3 is widely used as a component of growing media for professional growers. Its coarse particle size makes it ideal for providing aeration and proper drainage for plant growth.

4. Is Palmetto Vermiculite Grade A 3 organic?
Yes, it is. This OMRI listed material is great for organic gardening. Palmetto Vermiculite Grade A 3 is a natural and organic product that can be used in herb gardens, vegetable gardens, and other organic gardening applications.

Additional Product Information