Showing the single result


Your plant’s best friend! Montana Grow Silicon is a ready-to-use all natural fertilizer and soil amendment. Mined in Montana, it contains 76% plant available Si with no additives or chemicals involved in processing. Give it a try today and experience better yield and quality from your favorite plants!

  • Montana Grow Organic Silica

    Silica (Si)

    Use silica (Si) to build extra strong roots, stems and foliage. Made in Montana.