• Industry Trusted

    Industry Trusted

    Supplying businesses and customers globally

  • Fast Fulfillment

    Fast Fulfillment

    Reliable shipping from U.S. facilities

  • Quality You Can Count On

    Quality You Can Count On

    Clean, consistent, and performance-tested pumice

Natural Pumice. Engineered for Results.

About Hess Pumice Co.

Natural Pumice. Engineered for Results.

HESS PUMICE PRODUCTS, located in southeastern Idaho, USA, is a mining operation and processing company that extracts and refines a white, high-purity pumice.

Hess Pumice has a stable source of supply, an exclusive focus on producing precisely controlled industrial grades of pumice, and the logistical expertise to ship pumice anywhere on the planet. This focus has made Hess Pumice the world’s leading supplier of highly refined pumice products.

We don’t cut corners. No chemicals. No fillers. Just naturally effective pumice that works.

Safe. Sustainable. Naturally Powerful.

Our pumice is 100% natural, non-crystalline, and free from chemicals, perfumes, or synthetic additives. It’s safe for animals, people, and the environment—making it the ideal choice for applications where purity and performance matter.

  • Eco-friendly

    Eco-friendly

  • Non-toxic

    Non-toxic

  • Pet-safe

    Pet-safe

  • Trusted Consistency

    Trusted Consistency

Why Customers Choose Pumice Store

  • Harold Carey Jr

    Harold Carey Jr

    I've been here many times. I go here to get Thomas for free in the back of the area that they Pappas rejects. I also buy bikes of perlite about 4 cubic feet for $9. This is one of the largest businesses in the area. The service is very good here and there at the people are very helpful. the promise is a great thing to use in the garden to use less water. I also use the leftover promise for my walk ways in my garden.

  • Silent Brick

    Silent Brick

    Everyone I have interacted with at Hess is top notch. Special shout out to Joel who was indispensable in figuring out logistics and pricing. Keep on rocking ; )

  • Kanwarjit Singh

    Kanwarjit Singh

    I came here for load pickup it was fast Loading for me people are so friendly and good service.

  • Sutha Theventhran

    Sutha Theventhran

    I came here for delivery it was fast delivery for me people are so friendly and good service.

  • Lovi Khurri

    Lovi Khurri

    Very nice guy quick load for me I have appointment 2 day after but they loaded me thanks I see first time in 4 years experience no one like this guys 😀

  • Harold Carey Jr

    Harold Carey Jr

    I've been here many times. I go here to get Thomas for free in the back of the area that they Pappas rejects. I also buy bikes of perlite about 4 cubic feet for $9. This is one of the largest businesses in the area. The service is very good here and there at the people are very helpful. the promise is a great thing to use in the garden to use less water. I also use the leftover promise for my walk ways in my garden.

  • Silent Brick

    Silent Brick

    Everyone I have interacted with at Hess is top notch. Special shout out to Joel who was indispensable in figuring out logistics and pricing. Keep on rocking ; )

  • Kanwarjit Singh

    Kanwarjit Singh

    I came here for load pickup it was fast Loading for me people are so friendly and good service.

  • Sutha Theventhran

    Sutha Theventhran

    I came here for delivery it was fast delivery for me people are so friendly and good service.

  • Lovi Khurri

    Lovi Khurri

    Very nice guy quick load for me I have appointment 2 day after but they loaded me thanks I see first time in 4 years experience no one like this guys 😀

Frequently Asked Questions

Why choose PumiceStore for buying pumice online?

PumiceStore provides high-quality horticultural pumice designed to improve soil drainage, aeration, and root development. It is widely used in gardening, bonsai, hydroponics, landscaping, and commercial growing. It is preferred by growers who want consistent soil performance and long-term plant health.

Where can I buy horticultural pumice online?

You can buy premium horticultural pumice online from trusted suppliers like PumiceStore. It is available in different grades and bulk quantities and is commonly used in gardening, nurseries, and greenhouse cultivation to improve soil structure, drainage, and plant growth performance.

Do you offer bulk pumice for commercial use?

Yes. Bulk pumice is available for landscaping companies, nurseries, agricultural operations, and commercial growers. It is ideal for large-scale planting projects that require consistent drainage, long-term durability, and uniform soil structure across growing areas.

What is horticultural pumice for plants?

Horticultural pumice is a natural volcanic rock used as a soil amendment. It improves drainage, increases oxygen flow in the root zone, and reduces soil compaction. These properties help plants develop stronger roots and absorb water and nutrients more efficiently.

Is pumice suitable for bonsai soil mixes?

Yes. Pumice is widely used in bonsai soil mixes because it provides excellent drainage, aeration, and root stability. It helps prevent root rot and supports healthy, controlled root development while maintaining soil structure over time.

Is pumice good for succulents and cacti?

Yes. Pumice is ideal for succulents and cacti because it creates a fast-draining soil environment that prevents waterlogging and root rot. It closely matches the natural growing conditions of drought-tolerant plants.

Is pumice better than perlite for gardening?

Pumice is often preferred over perlite because it is more durable, heavier, and does not float or break down over time. It provides long-lasting soil aeration and stable structure, making it ideal for container gardening, bonsai, and commercial growing systems.

Can pumice improve drainage in clay soil?

Yes. Pumice helps improve heavy clay soil by increasing pore space, reducing compaction, and enhancing water movement. This improves air circulation and root penetration, creating healthier soil conditions for plant growth.

What size pumice should I choose?

The correct pumice size depends on usage. Fine grades are best for seed starting and propagation, medium grades for container gardening, and coarse grades for bonsai, succulents, landscaping, and drainage applications.

Why do growers and nurseries choose pumice?

Professional growers choose pumice because of its stability, durability, and consistent performance in improving soil aeration and drainage. It supports healthy root development and long-term plant growth in nurseries, greenhouses, and agricultural systems.