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We are closing the doors

We are closing the doorsWe are closing the doorsWe are closing the doors

Thank you to everyone that have supported us over the years, we are no longer able to source our product, many apologies.

Contact

We are closing the doors

We are closing the doorsWe are closing the doorsWe are closing the doors

Thank you to everyone that have supported us over the years, we are no longer able to source our product, many apologies.

Contact

Grow More Using Less

Get more return from your investment using less water and fertilizer. MontanaGrow is your source for an affordable premium silica derived from volcanic ash. Take the "side by side" test and watch MontanaGrow Power Your Garden.

Power Your Garden Test

Nature Provides Best Source of Silicon

Volcanic Ash

MontanaGrow is mined from an ancient deposit of silicon rich, non-crystalline volcanic ash formed by an ancient event that occurred over 30 million years ago.

MontanaGrow powers your garden by reacting dynamically with other minerals and nutrients to address critical soil and plant deficiencies.

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MontanaGrow is comprised of a rich amorphous content that contains over 76% SiO2 plus beneficial elements and provides a natural source of plant available silica.

MontanaGrow Products

Natural

Crushed and screened into a -10 Mesh amendment providing a fine powder for immediate release and small chips for long term release of plant available silica. This product is ideal for blending with soil.

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Granule

Crushed to a -120 powder before being granulated into a 120 SGN and 240 SGN granule that is easy to apply with spreaders other fertilizers providing immediate and long term release of plant available silica.

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MontanaGrow Benefits

Revitalizes Soil

MontanaGrow's plant available silica and distinct combination of trace minerals improves soil texture.

Improves Plant Health

76% amorphous silica is proven to strengthen plant roots, stems, and foliage. A stronger plant is a healthier plant.

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Use at Home, in Gardens, and on Farms

HOMES

GARDENS

Apply MontanaGrow Granules and Amendment for house plants, lawns, landscaping, and trees.

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GARDENS

Mix MontanaGrow Amendment into your soil and growing mediums for nutrient dense vegetables.

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FARMS

GARDENS

FARMS

Blend MontanaGrow Granules with other fertilizers for field applications.

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Grower Testimonials

" I had no growing experience and people laughed at me when I told them I was going to do some farming on our property. Well they aren’t laughing anymore."

L. Wagner, First Time Grower - Forestville, CA, 2020

"We had a very healthy crop on our 14 acre organic hemp farm in Oregon that I positively attribute to MontanaGrow and highly recommend its use."

D. McGuire, Hemptek Industries - Oregon, 2018

Share Your Garden Pictures

Black eyed Fuchsia with and without MontanaGrow

Safe For The Environment

Enhanced Efficiency Fertilizers (EEF)

Feel Good About Using MontanaGrow

MontanaGrow benefits agriculture upstream, is good for communities downstream and helps keep the fisheries healthy, naturally.

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MontanaGrow

PO Box 2024 Missoula, MT 59806

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