Down To Earth Oyster Shell, OMRI, 1 lb. Size:1 lb. Box Dalen Tree Wrap protects against

Dalen Tree Wrap protects against sun-scalding

Water soluble

cascading foliage

winterkill

Down To Earth Oyster Shell, OMRI, 1 lb. Size:1 lb. Box Dalen Tree Wrap protects againstDown To Earths Oyster Shell is an all natural and high quality source of the essential plant nutrient calcium. Ancient oyster shells are carefully harvested and then ground into small, medium and coarse particles. These irregular shapes provide a sustained release of this valuable nutrient. DTE Oyster Shell also aids in improving structure of soils and building optimum tilth. Help prevent calcium deficiencies that can diminish plant development.