1 Gallon 1/4 inch Pine Bark Fines (4 Dry Quarts)


Pine Bark Fines

Size: 1/4 Inch (standard)

1/4 inch Pine Bark Fines. Perfect for amending succulent and bonsai soil. Pine bark helps retain water. The larger particle size helps prevent overwatering by speeding up the drainage process.

Pine Bark Fines are used as a soil additive / substrate or top dressing in the art of bonsai. Mix with other ingredients such as lava rock, granite grit, calcined clay, and or dirt to create a bonsai soil specific to your bonsai needs. This is not a ready to use complete soil mix. You are purchasing one ingredient only.

Features include…

  • Manufactured in the US.
  • Consistent size, ready to use, no sifting required.
  • No fillers or artificial coloring.
  • Packaging. Our aggregates are professionally packaged in custom 6 mil bags.
  • Minimal dust or sand sized material.

Click the Additional Information tab for more details.


GTIN 00857206008091 SKU: 857206008091 Category:

Additional information

Weight 3 lbs
Dimensions 10 × 8 × 5 in

Brown with a touch of light brown. Does not contain dye.

Raw Material

Slash pine bark.

Country of Origin(COO)

United States

Average Particle Size

1/4 Inch

Minimum Particle Size

1/8th Inch

Maximum Particle Size

3/8ths Inch


Bonsai Jack LLC


1, Dry

Cubic Inches


Cubic Feet



One Gallon Bag



Plant Type

Soil additive / conditioner for bonsai, succulent, cactus and orchids.


Dye-free. We comply with State laws which require products containing Pine bark to be treated with a Bifenthrin drench. This helps prevent the spread of invasive species and provides some residual pathogen control for your plant.

Other Applications

General potting soil ingredient to increase acidity. Plant use only. Do not use for animal bedding.

Bulk Density

.187 ounces per cubic inch