3 Gallons Fine Pumice for Seed Starting, 1/8–1/64 Inch Propagation Grade Volcanic Pumice with Fines, Cutting and Potting Mix

3 Gallons Propagation Grade Pumice – Fine 1/8" to 1/64" with Fines

Stock up on a versatile mineral ingredient for seed starting, cutting propagation, and custom potting soil blends. This listing includes 3 gallons of natural propagation-grade pumice, mined in the Southern Cascades Mountains of Oregon.

The pumice is hand-screened to remove particles larger than 1/8 inch and includes fines. It is a useful ingredient for creating your own growing mixes.

Product Details

• Package Size: 3 gallons

• Particle Size: 1/8" to 1/64"

• Screening: Hand-screened to remove pumice larger than 1/8 inch

• Fines: Includes fines

• Origin: Southern Cascades Mountains of Oregon

• Clean natural pumice with no rocks, roots, or other debris

Suggested Uses

• Seed-starting mixes

• Cutting propagation

• Custom potting soil blends

• Peat/perlite-based growing mixes

For a custom growing blend, add approximately 15%–30% pumice to a peat/perlite-based mix.

Compare Our Pumice Screening Options

This listing is for standard propagation-grade pumice with fines.

We also offer:

• Hand-screened: Includes fines; removes pumice larger than 1/8 inch

• Double-screened: Removes over 50% of the fines

• Triple-screened: Removes over 90% of the fines

Choose the screening level that best suits your growing application.

Package Coverage & Storage

• This 3-gallon box will fill approximately 6 trade-gallon containers.

• Pumice is hand-packed in a bag with a reusable tie for convenient storage after opening.

• If the pumice dries before use, moisten it to help prevent dust from forming.

Dust Safety: Dust from rock and potting soil products should not be inhaled and may irritate sensitive lungs.

Shipping

All prices include shipping.

This 3-gallon package ships by USPS Priority Mail.

Other available quantities include 15 ounces, 10 cups, 5 quarts, 6 gallons, and 12 gallons. Shipping methods vary by package size:

• 15 ounces: USPS First Class

• 10 cups and 5 quarts: USPS Priority Mail

• 6 and 12 gallons: UPS

About Our Nursery

We are a commercial wholesale and retail plant nursery with over 16 years of experience mixing specialty potting mixes. Explore our other listings for custom growing blends and additional growing materials.

Thank you for supporting our nursery!