ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,001, issued on June 17.
"Plant growth matrix" was invented by Christopher Thomas Wasko (Attica, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A horticultural growing medium including a support matrix, the support matrix present in an amount between 60 and 80% by weight and an inorganic component. The organic component includes a moss component including at least 50% by weight moss from the Sphagnum genus is composed of at least 25% hyaline cells; between 30 and 50% by weight plant derived cellulose fiber component including alone or in any combination: coir, bamboo, hemp, cocoa fiber, rice hulls, and mixtures thereof; and between 0 and 15% co...