Black Natural Volcanic Lava Rock – 3/8" to 1/4"

Give your bonsai, succulent, and cactus arrangements a distinctive look with Black Natural Cascade Mountain Volcanic Lava Rock. This hard, durable, naturally occurring lava rock has a pleasing dark color and works well as a soil-mix ingredient or decorative top dressing.

Its relatively lightweight structure and natural appearance make it a versatile material for bonsai enthusiasts, succulent growers, cactus collectors, terrarium projects, and specialty plant nurseries.

Product Features

• Material: Natural Cascade Mountain volcanic lava rock

• Color: Black

• Particle size: Approximately 3/8"–1/4"

• Texture: Hard and durable

• Weight: Relatively lightweight

• Composition: All natural

• Uses: Bonsai soil mixes, succulent mixes, cactus mixes, hydroponics, specialty nursery mixes, and decorative top dressing

Lava rock does not rot and provides a long-lasting mineral component for your growing media.

Versatile Uses

Bonsai Soil Mixes

Use black lava rock as an ingredient in bonsai soil blends. Its natural dark color also makes it an attractive choice for decorative top dressing.

Succulents and Cactus

Add it to suitable succulent and cactus growing mixes as a mineral component.

Terrariums and Decorative Projects

Use the pleasing black color to create contrast around plants and as a decorative surface layer.

Hydroponics and Specialty Nursery Mixes

Suitable for a variety of specialty growing-media applications.

Available Package Sizes

Choose the quantity that best fits your project:

• 15 ounces

• 10 cups (2.5 quarts)

• 5 quarts

• 3 gallons

• 6 gallons

Approximate Container Coverage

The following amounts are based on the grower's container-fill estimates:

These are approximate fill equivalents, not exact volume guarantees.

Product Appearance

The first product photo shows the black lava rock in its dry condition. The second photo shows the same material when wet.

Natural lava rock may vary slightly in shape, texture, and appearance.

Shipping Information

• 15-ounce packages: Shipped via First Class mail.

• All other quantities: Shipped via Priority Mail.

Sample Orders

Want to see the material before purchasing a larger quantity?

Samples are available for the cost of shipping. They contain enough material to evaluate its appearance and quality, but not enough for a full project.

If you subsequently order 6 gallons or more, the sample shipping cost will be reimbursed. Just let us know when placing your larger order.

Thank you for choosing Scenic Hill Farm for your bonsai and specialty growing-media supplies!