Multi-layer planter soil mix comprised of a top layer of organic growing media for plants, namely, compost in the nature of decaying organic matter, food waste, and yard waste, manures, and fertilizer, combined with mineral substances in the nature of a lightweight aggregate of expanded clay, shale and slate, pumice, lava rock, and recycled brick; and also containing a non-woven polypropylene filter fabric for separating the top organic layer from a bottom drainage layer of mineral substances...

Multi-layer planter soil mix comprised of a top layer of organic growing media for plants, namely, compost in the nature of decaying organic matter, food waste, and yard waste, manures, and fertilizer, combined with mineral substances in the nature of a lightweight aggregate of expanded clay, shale and slate, pumice, lava rock, and recycled brick; and also containing a non-woven polypropylene filter fabric for separating the top organic layer from a bottom drainage layer of mineral substances...