Down To Earth Oyster Shell, OMRI, 5 lb. Size:5 lb. Box A readily available source of

A readily available source of organic nitrogen

but each plant is unique and may look slightly different upon arrival

High quality calcium provides a myriad of benefits to plants

This is best done in the spring

Down To Earth Oyster Shell, OMRI, 5 lb. Size:5 lb. Box A readily available source ofDown 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.