Is a natural resource from the burnet shale found in north central Texas. Super Natural Expanded Shale also known as Hadite is a porous rock that holds 38% of it’s actual weight in water and will never breakdown. Super Natural Expanded Shale is a superior soil amendment for heavy and sandy soils. This product is one of the favorite soil amendments of the Dallas Arboretum staff. You may also visit www.aggie–horticulture.tamu.edu to see test results performed by Texas A & M University. When amending a heavy soil or sandy soil till in a 3 inch layer of Super Natural Expanded Shale along with a 2-3 inch layer of your favorite compost to a depth of 6 to 8 inches. You will only need to apply this product once.
Bag size: 40 lbs.