Bonsai Soil Mix, 18 Gallon Premium 60/40 Organic Inorganic Potting Blend, Pumice Lava Turface Peat Fir Bark, Bonsai Growing Medium

Give your bonsai and specialty plants a balanced growing medium with our Premium Bonsai Soil Mix, made with 60% inorganic and 40% organic ingredients.

This 18-gallon package combines natural Cascade Mountain volcanic materials, Turface MVP, peat-based growing media, and fir bark. Our mix is hand-packed and bagged with a reusable tie for convenient storage.

18-Gallon Package Details

• Quantity: 18 gallons of premium bonsai soil mix

• Composition: 60% inorganic / 40% organic

• Shipping: USPS Priority Mail or UPS

• Packaging: Hand-packed with a reusable tie for easy storage

Soil Mix Composition

• 20% Natural Volcanic Lava: 1/4"–1/32" Cascade Mountain lava rock in a pleasing mix of red, grey, black, and white

• 25% Natural Volcanic Pumice: 3/8"–1/32" Cascade Mountain pumice

• 15% Turface MVP: 3/16" and under, with few fines; unscreened

• 20% Peat-Based Growing Media: Unscreened

• 20% Fir Bark: 1/2" minus, unscreened

All ingredients are natural, and the finished mix is relatively lightweight.

Other Available Package Sizes

This mix is also available in:

• 15 ounces

• 10 cups

• 5 quarts

• 3 gallons

• 6 gallons

• 12 gallons

• 18 gallons

• 24 gallons

The 15-ounce, 10-cup, 5-quart, and 3-gallon quantities ship USPS Ground Advantage. The 6-gallon and larger quantities ship USPS Priority Mail or UPS.

Please note: Six-gallon orders cannot be shipped to PO Boxes.

Samples Available

Samples can be ordered for the cost of shipping. If you subsequently order 6 gallons or more, the sample freight cost will be reimbursed. Please let us know when placing your order.

Samples are intended to let you see and examine the mix; they are not large enough for a planting project.

Handling and Storage

Our potting mix is hand-packed and bagged with a reusable tie, making it easy to store after opening.

If the mix dries before use, moisten it to help prevent dust from forming. Dust from rock and potting soil products should not be inhaled and may irritate people with sensitive lungs.

About Our Nursery

We are a commercial wholesale and retail plant nursery with more than 35 years of experience mixing specialty potting mixes. Explore our other listings to find a blend for your bonsai and specialty plants.

Thank you for supporting our nursery!